USCG Sector Detroit Dashboard

General Forecast

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Regional Waves

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through tomorrow
Significant
Occasional (top 10%)

Worded Forecasts

Lake Huron Open Waters

097
FZUS63 KDTX 051950
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
350 PM EDT Wed Aug 5 2026

For waters beyond five nautical miles off shore on Lake Huron

Waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. Occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.SYNOPSIS...A cold front, 30.00 inches, will slowly move across
Lake Huron this evening and into Lake Erie by tomorrow morning.
This front will produce showers and a low chance for
thunderstorms. The front will diminish across the eastern Great
Lakes Thursday, leaving light winds across the region Friday.

LHZ361-060400-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
350 PM EDT Wed Aug 5 2026

.TONIGHT...Light and variable winds becoming northwest 5 to
10 knots early in the morning. A chance of showers in the
evening. Waves 2 feet or less.
.THURSDAY...Light and variable winds. Waves 2 feet or less.
.THURSDAY NIGHT...Light and variable winds becoming south 5 to
10 knots in the late evening and overnight. Waves 2 feet or less.
.FRIDAY...Light and variable winds becoming southeast 5 to
10 knots early in the afternoon. Waves 2 feet or less.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots veering to the
south after midnight. Waves 2 feet or less.
.SATURDAY...Southwest winds 5 to 10 knots in the morning becoming
west 10 to 15 knots...then decreasing to 5 to 10 knots late in
the afternoon becoming light and variable. Waves 2 feet or less.
.SUNDAY...Southwest winds 5 to 10 knots veering to the northwest
by midnight. Waves 2 feet or less.
.MONDAY...Light and variable winds becoming south 5 to 10 knots
until early evening...then veering to the west by midnight. A
chance of showers . Waves 2 feet or less.


$$

LHZ362-363-060400-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond
5NM off shore-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
350 PM EDT Wed Aug 5 2026

.TONIGHT...East winds 5 to 10 knots early in the evening becoming
light and variable...then becoming west 5 to 10 knots early in
the morning. Showers likely and a chance of thunderstorms in the
evening...then a chance of showers after midnight. Waves 2 feet
or less.
.THURSDAY...Light and variable winds. Waves 2 feet or less.
.THURSDAY NIGHT...Light and variable winds. Waves 2 feet or less.
.FRIDAY...Light and variable winds becoming southeast 5 to
10 knots early in the afternoon. Waves 2 feet or less.
.FRIDAY NIGHT...South winds 5 to 10 knots. Waves 2 feet or less.
.SATURDAY...Southwest winds 5 to 10 knots. A chance of showers in
the morning. Waves 1 to 3 feet.
.SUNDAY...Southwest winds 5 to 10 knots backing to the east early
in the evening...then backing to the east 5 to 10 knots by
midnight. A chance of showers until early evening. Waves 1 to
3 feet.
.MONDAY...Light and variable winds becoming west 5 to 10 knots in
the late morning and early afternoon...then backing to the
southeast early in the evening veering to the south by midnight.
A chance of showers. Waves 2 feet or less.


$$

LHZ462>464-060400-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
350 PM EDT Wed Aug 5 2026

.TONIGHT...South winds 5 to 10 knots veering to the southwest
early in the morning. A chance of showers and thunderstorms in
the evening...then a chance of showers after midnight. Waves
2 feet or less.
.THURSDAY...West winds 5 to 10 knots early in the morning
becoming light and variable...then becoming northeast 5 to
10 knots late in the afternoon. Showers likely in the morning...
then a chance of showers in the afternoon. Waves 2 feet or less.
.THURSDAY NIGHT...Light and variable winds. Waves 2 feet or less.
.FRIDAY...Light and variable winds. A chance of showers in the
afternoon. Waves 2 feet or less.
.FRIDAY NIGHT...South winds 5 to 10 knots. Waves 2 feet or less.
.SATURDAY...Southwest winds 5 to 10 knots veering to the west
late in the afternoon...then veering to the northeast late in the
evening. A chance of showers. Waves 2 feet or less.
.SUNDAY...Southwest winds 5 to 10 knots increasing to 10 to
15 knots in the late morning and early afternoon...then
decreasing to 5 to 10 knots . A chance of showers. A chance of
thunderstorms until early evening. Waves 1 to 3 feet.
.MONDAY...West winds 5 to 10 knots veering to the north until
early evening...then veering to the south by midnight. A chance
of showers. Waves 2 feet or less.


$$

LHZ461-060400-
MAFOR 0521/
HURON NORTH 11306 11106 14700 11700 11600. A chance of
thunderstorms this evening. Waves 2 feet or less.

HURON SOUTH 11400 11406 11506 11700 11806 13800. A chance of
thunderstorms tonight. Waves 2 feet or less.

$$

AM

Experimental modernized open lake forecast is available online at
weather.gov/dtx/glftable (all lower case)

Graphical marine forecasts are available online at
weather.gov/greatlakes (all lower case)

Lake St. Clair

098
FZUS63 KDTX 051950
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
350 PM EDT Wed Aug 5 2026

Waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. Occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.SYNOPSIS...A cold front, 30.00 inches, will slowly move across
Lake Huron this evening and into Lake Erie by tomorrow morning.
This front will produce showers and a low chance for
thunderstorms. The front will diminish across the eastern Great
Lakes Thursday, leaving light winds across the region Friday.

LCZ460-060400-
Lake St Clair-
350 PM EDT Wed Aug 5 2026

.TONIGHT...South winds 5 to 10 knots veering to the west early in
the morning. Mostly clear. Waves 2 feet or less.
.THURSDAY...West winds 5 to 10 knots early in the morning becoming
light and variable...then becoming south 5 to 10 knots in the
afternoon. Partly sunny. A chance of light showers in the late
morning and afternoon. A chance of thunderstorms early in the
afternoon. Waves 2 feet or less.
.THURSDAY NIGHT...South winds 5 to 10 knots becoming light and
variable. Partly cloudy early in the evening becoming mostly cloudy.
A chance of showers and thunderstorms early in the evening. A chance
of light showers after midnight. Waves 2 feet or less.
.FRIDAY...Light and variable winds becoming south 5 to 10 knots in
the late morning and afternoon. Partly sunny. A chance of light
showers early in the afternoon. Waves 2 feet or less.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots. Partly cloudy. A
chance of light showers. A chance of thunderstorms by midnight.
Waves 2 feet or less.
.SATURDAY...Southwest winds 5 to 10 knots increasing to 10 to 15
knots in the afternoon...then becoming west 5 to 10 knots in the
evening. Partly sunny with a chance of light showers in the
morning...then mostly clear with a chance of showers and
thunderstorms in the afternoon and evening. Waves 2 feet or less.
.SUNDAY...Southwest winds 10 to 15 knots. Mostly clear. A chance of
showers and thunderstorms. Waves 2 feet or less.
.MONDAY...Southwest winds 10 to 15 knots. Partly cloudy. Showers
likely and a chance of thunderstorms. Waves 2 feet or less.

$$

AM

Experimental modernized open lake forecast is available online at
weather.gov/dtx/glftablesc

Graphical marine forecasts are available at weather.gov/greatlakes

WFO Detroit Nearshore

420
FZUS53 KDTX 051951
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
351 PM EDT Wed Aug 5 2026

For waters within five nautical miles of shore

Waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. Occasional wave height is the average of
the highest 1/10 of the wave spectrum.

LHZ422-060400-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
351 PM EDT Wed Aug 5 2026

.TONIGHT...West winds 5 to 10 knots veering to the northwest
after midnight. Mostly cloudy. A chance of showers and
thunderstorms in the evening, then showers likely and a slight
chance of thunderstorms after midnight. Waves 2 feet or less.
.THURSDAY...Northeast winds 5 to 10 knots. Mostly cloudy with a
chance of showers early in the morning, then partly cloudy with a
slight chance of showers in the late morning and early afternoon.
Partly cloudy early in the afternoon. Waves 2 feet or less.
.THURSDAY NIGHT...East winds 5 to 10 knots until early morning
becoming light and variable. Partly cloudy. Waves 2 feet or less.
.FRIDAY...Light and variable winds becoming south 5 to 10 knots
in the late morning and afternoon. Mostly cloudy becoming partly
cloudy in the late morning and early afternoon becoming mostly
sunny. Waves 2 feet or less.

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LHZ421-060400-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
351 PM EDT Wed Aug 5 2026

.TONIGHT...West winds 5 to 10 knots veering to the northwest
after midnight. Mostly cloudy. A chance of showers and
thunderstorms in the evening, then showers likely and a slight
chance of thunderstorms after midnight. Waves 2 feet or less.
.THURSDAY...Northeast winds 5 to 10 knots. Mostly cloudy with
showers likely early in the morning, then mostly cloudy with a
slight chance of showers in the late morning and early afternoon.
Partly cloudy early in the afternoon. Waves 2 feet or less.
.THURSDAY NIGHT...East winds 5 to 10 knots until early morning
becoming light and variable. Partly cloudy. Waves 2 feet or less.
.FRIDAY...Light and variable winds becoming south 5 to 10 knots
in the late morning and afternoon. Partly cloudy until late
afternoon then clearing. Waves 2 feet or less.

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LHZ441-060400-
Port Austin to Harbor Beach MI-
351 PM EDT Wed Aug 5 2026

.TONIGHT...South winds 5 to 10 knots veering to the west after
midnight. Mostly cloudy with showers likely and a chance of
thunderstorms. Waves 2 feet or less.
.THURSDAY...Northeast winds 5 to 10 knots. Mostly cloudy until
late afternoon becoming partly cloudy. Showers likely early in
the morning, then a slight chance of showers in the late morning
and afternoon. Waves 2 feet or less.
.THURSDAY NIGHT...East winds 5 to 10 knots early in the evening
becoming light and variable. Partly cloudy. Waves 2 feet or less.
.FRIDAY...Light and variable winds becoming southeast 5 to
10 knots early in the afternoon. Partly cloudy early in the
morning then clearing. Waves 2 feet or less.

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LHZ442-060400-
Harbor Beach to Port Sanilac MI-
351 PM EDT Wed Aug 5 2026

.TONIGHT...South winds 5 to 10 knots veering to the west after
midnight. Partly cloudy in the evening becoming mostly cloudy. A
chance of showers and thunderstorms. Waves 2 feet or less.
.THURSDAY...Northwest winds 5 to 10 knots veering to the east in
the late morning and afternoon. Mostly cloudy. A chance of
showers until late afternoon, then a chance of showers and a
slight chance of thunderstorms early in the afternoon. Waves
2 feet or less.
.THURSDAY NIGHT...East winds 5 to 10 knots until early morning
becoming light and variable. Partly cloudy. Waves 2 feet or less.
.FRIDAY...Light and variable winds becoming south 5 to 10 knots
in the late morning and afternoon. Partly cloudy until late
afternoon becoming mostly sunny. A chance of showers early in the
afternoon. Waves 2 feet or less.

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LHZ443-060400-
Port Sanilac to Port Huron MI-
351 PM EDT Wed Aug 5 2026

.TONIGHT...South winds 5 to 10 knots veering to the west early in
the morning. Partly cloudy with a slight chance of showers and
thunderstorms. Waves 2 feet or less.
.THURSDAY...West winds 5 to 10 knots veering to the east in the
late morning and afternoon. Mostly cloudy with a chance of
showers until late afternoon, then partly cloudy with showers
likely and a slight chance of thunderstorms early in the
afternoon. Waves 2 feet or less.
.THURSDAY NIGHT...East winds 5 to 10 knots until early morning
becoming light and variable. Partly cloudy. Waves 2 feet or less.
.FRIDAY...Light and variable winds becoming south 5 to 10 knots
in the late morning and afternoon. Mostly cloudy early in the
morning becoming partly cloudy. A chance of showers early in the
afternoon. Waves 2 feet or less.

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LEZ444-060400-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
351 PM EDT Wed Aug 5 2026

.TONIGHT...South winds 5 to 10 knots veering to the west after
midnight. Clear in the evening becoming partly cloudy. Waves
2 feet or less.
.THURSDAY...West winds 5 to 10 knots backing to the south in the
late morning and afternoon. Partly cloudy. A chance of showers in
the late morning and early afternoon. A chance of showers and a
slight chance of thunderstorms early in the afternoon. Waves
2 feet or less.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Partly cloudy
early in the evening becoming mostly cloudy. A chance of showers
and thunderstorms early in the evening. A chance of showers after
midnight. Waves 2 feet or less.
.FRIDAY...Southwest winds 5 to 10 knots. Mostly cloudy early in
the morning becoming partly cloudy. A chance of showers early in
the morning. A chance of showers and thunderstorms early in the
afternoon. Waves 2 feet or less.

See Lake Erie Open Lake Forecast for days 3 through 5.

The water temperature at Belle Isle is 75 degrees.

$$

AM

You can obtain your latest National Weather Service forecasts online
a www.weather.gov/greatlakes

Lake Erie Open Waters

236
FZUS61 KCLE 051956
GLFLE

Open Lake Forecast for Lake Erie
National Weather Service Cleveland OH
356 PM EDT Wed Aug 5 2026

For waters beyond five nautical miles of shore on Lake Erie

Waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. Occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.SYNOPSIS...
High pressure of 30.00 inches will drift east tonight as a cold
front approaches from the northwest. This front will slow just to
the west of Lake Erie Thursday before stalling in the vicinity of
the lake on Friday. A secondary trough will finally push the
front across the lake on Saturday. A ridge of 30.00 inches will
build into the southern Great Lakes on Sunday with another front
settling north of the Lake.

LEZ162>164-060230-
Detroit River Lt. to Maumee Bay OH to Reno Beach OH beyond 5NM
offshoreline to US-Canadian border-
Reno Beach to The Islands OH beyond 5NM off shoreline to US-
Canadian border-
The Islands to Vermilion OH beyond 5 nm off shoreline to US-
Canadian border-
356 PM EDT Wed Aug 5 2026

.TONIGHT...Southeast winds 10 knots or less becoming southwest.
Waves 1 foot or less.
.THURSDAY...Southwest winds 10 knots or less becoming southeast.
A slight chance of showers. A slight chance of showers and
thunderstorms late. Waves 1 foot or less.
.THURSDAY NIGHT...South winds 10 knots or less becoming
southwest. A chance of showers and thunderstorms in the evening,
then a chance of showers overnight. Waves 1 foot or less.
.FRIDAY...Southwest winds 5 to 10 knots becoming south. A chance
of showers in the morning, then a chance of showers and
thunderstorms in the afternoon. Waves 1 foot or less.
.FRIDAY NIGHT...South winds 5 to 15 knots becoming southwest. A
chance of showers and thunderstorms in the evening, then a chance
of showers overnight. Waves 2 feet or less.
.SATURDAY...Southwest winds 5 to 15 knots becoming west. A chance
of showers during the day. Waves 1 to 2 feet.
.SUNDAY...Southwest winds 5 to 15 knots. A chance of showers and
thunderstorms Sunday night. Waves 2 feet or less.
.MONDAY...Southwest winds 10 to 15 knots becoming west 15 to
20 knots. A chance of showers and thunderstorms during the day,
then showers likely Monday night. Waves 1 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

LEZ165>167-060230-
Vermilion to Avon Point OH beyond 5 nm off shoreline to US-
Canadian border-
Avon Point to Willowick OH beyond 5 nm off shoreline to US-
Canadian border-Willowick to Geneva-on-the-
Lake OH beyond 5NM off shoreline to US-Canadian border-
356 PM EDT Wed Aug 5 2026

.TONIGHT...East winds 10 knots or less becoming southwest. Waves
1 foot or less.
.THURSDAY...Southwest winds 10 knots or less becoming west. A
slight chance of showers and thunderstorms late. Waves 1 foot or
less.
.THURSDAY NIGHT...Northwest winds 10 knots or less becoming
southwest. A chance of showers overnight. Waves 1 foot or less.
.FRIDAY...Southwest winds 5 to 10 knots. A chance of showers in
the morning, then showers likely in the afternoon. Waves 1 foot
or less.
.FRIDAY NIGHT...Southwest winds 5 to 15 knots. Showers likely
with a chance of thunderstorms. Waves 1 to 3 feet.
.SATURDAY...Southwest winds 10 to 15 knots becoming west. A
chance of showers and thunderstorms. Waves 2 to 4 feet subsiding
to 1 to 3 feet.
.SUNDAY...Southwest winds 5 to 15 knots. A chance of showers and
thunderstorms Sunday night. Waves 1 to 3 feet.
.MONDAY...Southwest winds 10 to 15 knots becoming west 15 to
20 knots. A chance of showers and thunderstorms during the day,
then showers likely Monday night. Waves 1 to 3 feet building to
2 to 4 feet.

Winds and waves higher in and near thunderstorms.

$$

LEZ061-168-169-060230-
Ripley to Buffalo NY extending from 5NM off shoreline to US-
Canadian border-Geneva-on-the-
Lake to Conneaut OH beyond 5 nm off shoreline to US-
Canadian border-
Conneaut OH to Ripley NY beyond 5 nm off shoreline to US-
Canadian border-
356 PM EDT Wed Aug 5 2026

.TONIGHT...Light and variable winds becoming south 5 to 10 knots.
A chance of showers and thunderstorms this evening, then a chance
of showers with a slight chance of thunderstorms after midnight.
Waves 1 foot or less.
.THURSDAY...Southwest winds 10 knots or less becoming west. A
slight chance of showers and thunderstorms late. Waves 1 foot or
less.
.THURSDAY NIGHT...Southwest winds 10 knots or less becoming
south. A chance of showers and thunderstorms overnight. Waves
1 foot or less.
.FRIDAY...South winds 5 to 10 knots becoming southwest. Showers
likely with a chance of thunderstorms. Waves 1 foot or less.
.FRIDAY NIGHT...Southwest winds 10 knots or less increasing to
10 to 15 knots. Showers likely with a chance of thunderstorms.
Waves 1 to 3 feet.
.SATURDAY...Southwest winds 5 to 15 knots becoming west. A chance
of showers and thunderstorms. Waves 2 to 4 feet subsiding to 1 to
2 feet.
.SUNDAY...Southwest winds 5 to 15 knots. Showers likely with a
chance of thunderstorms Sunday night. Waves 1 to 2 feet.
.MONDAY...Southwest winds 10 to 15 knots increasing to 15 to
20 knots. A chance of showers and thunderstorms during the day,
then showers likely Monday night. Waves 1 to 3 feet building to
2 to 4 feet.

Winds and waves higher in and near thunderstorms.

$$

LEZ161-060230-
MAFOR 0521/
ERIE WEST 1/3 11200 11300 11400 14500 11400. Waves 1 foot or
less.

ERIE CENTRAL 1/3 11100 11300 12400 12500 12600. Waves 1 foot or
less.

ERIE EAST 1/3 11200 11300 13400 11500 12600. A chance of showers
and thunderstorms this evening. A chance of showers overnight.
Waves 1 foot or less.

$$

WFO Cleveland Nearshore

722
FZUS51 KCLE 051953
NSHCLE

Nearshore Marine Forecast
National Weather Service Cleveland OH
353 PM EDT Wed Aug 5 2026

For waters within five nautical miles of shore

Waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. Occasional wave height is the average of
the highest 1/10 of the wave spectrum.

LEZ142>144-060230-
Maumee Bay to Reno Beach OH-Reno Beach to The Islands OH-
The Islands to Vermilion OH-
353 PM EDT Wed Aug 5 2026

.TONIGHT...East winds 10 knots or less becoming southwest. Mostly
clear. Waves 1 foot or less.
.THURSDAY...Southwest winds 10 knots or less becoming southeast.
A slight chance of showers and thunderstorms in the afternoon.
Waves 1 foot or less.
.THURSDAY NIGHT...Northwest winds less than 10 knots becoming
southwest. A chance of showers and thunderstorms in the evening,
then a chance of showers overnight. Waves 1 foot or less.
.FRIDAY...Southwest winds 5 to 10 knots. A chance of showers in
the morning, then showers likely with a chance of thunderstorms
in the afternoon. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

See Lake Erie open lakes forecast for Saturday through Monday.

The water temperature off Toledo is 76 degrees, off Cleveland 74
degrees, and off Erie 75 degrees.

$$

LEZ145>147-060230-
Vermilion to Avon Point OH-Avon Point to Willowick OH-
Willowick to Geneva-on-the Lake OH-
353 PM EDT Wed Aug 5 2026

.TONIGHT...Northeast winds 10 knots or less becoming south.
Partly cloudy. Waves 1 foot or less.
.THURSDAY...Southwest winds 10 knots or less becoming northwest.
A slight chance of showers and thunderstorms in the afternoon.
Waves 1 foot or less.
.THURSDAY NIGHT...North winds 10 knots or less becoming
southwest. A chance of showers overnight. Waves 1 foot or less.
.FRIDAY...Southwest winds 5 to 10 knots. A chance of showers in
the morning, then showers likely with a chance of thunderstorms
in the afternoon. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

See Lake Erie open lakes forecast for Saturday through Monday.

The water temperature off Toledo is 76 degrees, off Cleveland 74
degrees, and off Erie 75 degrees.

$$

LEZ148-149-060230-
Geneva-on-the-Lake to Conneaut OH-Conneaut OH to Ripley NY-
353 PM EDT Wed Aug 5 2026

.TONIGHT...Light and variable winds becoming south 5 to 10 knots.
A chance of showers and thunderstorms this evening, then a chance
of showers with a slight chance of thunderstorms after midnight.
Waves 1 foot or less.
.THURSDAY...South winds 10 knots or less becoming west. A slight
chance of showers and thunderstorms in the afternoon. Waves
1 foot or less.
.THURSDAY NIGHT...Light and variable winds. A chance of showers
overnight. Waves 1 foot or less.
.FRIDAY...South winds 10 knots or less becoming southwest.
Showers likely with a chance of thunderstorms. Waves 1 foot or
less.

Winds and waves higher in and near thunderstorms.

See Lake Erie open lakes forecast for Saturday through Monday.

The water temperature off Toledo is 76 degrees, off Cleveland 74
degrees, and off Erie 75 degrees.

$$