In southeast Texas, the coastal Carolinas, and much of New Mexico today, showers and thunderstorms may bring excessive rainfall which could lead to areas of flooding. Dry, gusty winds will contribute to scattered areas of elevated to critical fire weather today in the western U.S. Wildfire smoke is causing unhealthy air quality today in parts of the Pacific Northwest and central Plains. Read More >
|
Welcome to the new NWS Duluth Marine Page. Any questions or comments can be sent to nws.duluth@noaa.gov.
|
| Duluth | Marquette | |||
 |
 |
|||
| Reflectivity | Reflectivity | |||
Nearshore Forecast
783
FZUS53 KDLH 261938
NSHDLH
Nearshore Marine Forecast
National Weather Service Duluth MN
238 PM CDT Fri Jul 26 2024
For waters within five nautical miles of shore on Lake Superior.
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.
LSZ140-141-270415-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
238 PM CDT Fri Jul 26 2024
.TONIGHT...Southeast wind 5 to 10 knots becoming southwest 10 to
15 knots with gusts to around 20 knots in the late evening and
overnight. Patchy fog late in the night. Waves 1 to 2 feet
building to 2 to 4 feet after midnight.
.SATURDAY...South wind 10 to 15 knots with gusts to around
20 knots. Patchy fog in the morning. Waves 2 to 4 feet. A small
craft advisory may be needed.
.SATURDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to
20 knots in the late evening and overnight. Partly cloudy. Waves
3 to 5 feet. A small craft advisory may be needed.
.SUNDAY...Southwest wind 15 to 20 knots. Gusts up to 25 knots
decreasing to 20 knots late in the afternoon. Slight chance of
rain showers in the afternoon. Waves 2 to 4 feet. A small craft
advisory may be needed.
$$
LSZ142-143-270415-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
238 PM CDT Fri Jul 26 2024
.TONIGHT...East wind 5 to 10 knots becoming southwest in the late
evening and overnight. Partly cloudy until early morning then
becoming mostly cloudy. Waves 1 to 2 feet.
.SATURDAY...South wind 5 to 10 knots becoming southeast 10 to
15 knots with gusts to around 20 knots late in the afternoon.
Partly sunny in the morning then clearing. Waves 1 to 2 feet.
.SATURDAY NIGHT...South wind 10 to 15 knots. Gusts up to 20 knots
until early morning. Partly cloudy. Waves 1 to 3 feet.
.SUNDAY...South wind 10 to 15 knots with gusts to around
20 knots. Slight chance of showers and thunderstorms in the
afternoon. Waves 1 to 3 feet.
$$
LSZ144-145-270415-
Two Harbors to Duluth MN-Duluth MN to Port Wing WI-
238 PM CDT Fri Jul 26 2024
.TONIGHT...South wind 10 to 15 knots with gusts to around
20 knots becoming southwest 5 to 10 knots late in the night.
Partly cloudy. Waves 1 to 2 feet.
.SATURDAY...South wind 10 to 15 knots. Gusts up to 20 knots in
the late morning and afternoon. Mostly sunny. Waves 1 to 2 feet.
.SATURDAY NIGHT...South wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots after midnight, then decreasing to
20 knots early in the morning. Partly cloudy. Waves 1 to 3 feet.
.SUNDAY...South wind 10 to 15 knots with gusts to around
20 knots. Slight chance of showers and thunderstorms in the
afternoon. Waves 1 to 3 feet.
$$
LSZ146-270415-
Port Wing to Sand Island WI-
238 PM CDT Fri Jul 26 2024
.TONIGHT...South wind 5 to 10 knots. Gusts up to 20 knots early
in the evening. Partly cloudy. Waves 1 to 2 feet.
.SATURDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots
late in the afternoon. Mostly sunny. Waves 1 to 2 feet.
.SATURDAY NIGHT...South wind 10 to 15 knots with gusts to around
20 knots. Mostly clear. Waves 1 to 3 feet.
.SUNDAY...Southwest wind 10 to 15 knots with gusts to around
20 knots becoming south 5 to 10 knots with gusts to around
20 knots in the afternoon. Mostly sunny. Waves 1 to 2 feet.
$$
LSZ147-270415-
Sand Island to Bayfield WI-
238 PM CDT Fri Jul 26 2024
.TONIGHT...South wind 5 to 10 knots. Gusts up to 20 knots early
in the evening. Partly cloudy. Waves 1 foot or less.
.SATURDAY...South wind 10 to 15 knots. Gusts up to 20 knots in
the afternoon. Mostly sunny. Waves 1 to 2 feet.
.SATURDAY NIGHT...South wind 10 to 15 knots with gusts to around
20 knots. Mostly clear. Waves 1 to 2 feet.
.SUNDAY...South wind 10 to 15 knots easing to 5 to 10 knots in
the afternoon. Gusts up to 20 knots. Mostly sunny. Waves 1 to
2 feet.
$$
LSZ150-270415-
Outer Apostle Islands Beyond 5 NM from Mainland-
238 PM CDT Fri Jul 26 2024
.TONIGHT...South wind 10 to 15 knots with gusts to around
20 knots. Partly cloudy. Waves 1 to 3 feet.
.SATURDAY...South wind 10 to 15 knots with gusts to around
20 knots. Mostly sunny. Waves 1 to 3 feet.
.SATURDAY NIGHT...South wind 10 to 15 knots. Gusts up to 20 knots
increasing to 25 knots in the late evening and early morning,
then decreasing to 20 knots early in the morning. Mostly clear.
Waves 1 to 3 feet.
.SUNDAY...South wind 10 to 15 knots easing to 10 knots late in
the afternoon. Gusts up to 20 knots. Mostly sunny. Waves 1 to
3 feet.
$$
LSZ121-270415-
Chequamegon Bay-Bayfield to Oak Point WI-
238 PM CDT Fri Jul 26 2024
.TONIGHT...South wind 5 to 10 knots. Gusts up to 20 knots early
in the evening then 20 knots after midnight. Partly cloudy. Waves
1 foot or less.
.SATURDAY...South wind 10 to 15 knots with gusts to around
20 knots. Mostly sunny. Waves 1 to 2 feet.
.SATURDAY NIGHT...South wind 10 to 15 knots with gusts to around
20 knots. Mostly clear. Waves 1 to 2 feet.
.SUNDAY...South wind 10 to 15 knots easing to 5 to 10 knots in
the late morning and afternoon. Gusts up to 20 knots. Mostly
sunny. Waves 1 to 2 feet.
$$
LSZ148-270415-
Oak Point to Saxon Harbor WI-
238 PM CDT Fri Jul 26 2024
.TONIGHT...South wind 5 to 10 knots. Gusts up to 20 knots early
in the evening then 20 knots after midnight. Partly cloudy. Waves
1 to 2 feet.
.SATURDAY...South wind 10 to 15 knots. Gusts up to 20 knots.
Sunny. Waves 1 to 2 feet.
.SATURDAY NIGHT...South wind 10 to 15 knots with gusts to around
20 knots. Mostly clear. Waves 1 to 2 feet.
.SUNDAY...South wind 10 to 15 knots easing to 5 to 10 knots in
the afternoon. Gusts up to 20 knots. Mostly sunny. Waves 1 to
2 feet.
$$
Graphical marine forecasts are available online at:
weather.gov/greatlakes
Levens
Open Waters Forecast
255
FZUS63 KMQT 261938
GLFLS
Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
338 PM EDT Fri Jul 26 2024
For waters beyond 5 nautical miles of shore on Lake Superior.
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 30.2 inch high will remain anchored over the Great
Lakes Basin this evening. As the high weakens and shifts eastward
overnight, expect 29.5 inch troughing to develop over the northern
Plains Saturday. This trough will gradually fill to 29.7 inches as
it settles eastward over Lake Superior Monday into early Tuesday.
Weak high pressure follows on Wednesday at 29.8 inches.
LSZ162-270345-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
338 PM EDT Fri Jul 26 2024 /238 PM CDT Fri Jul 26 2024/
.LATE THIS AFTERNOON...South winds 10 to 20 knots. Waves calm to
2 feet.
.TONIGHT...South winds 10 to 20 knots increasing to 15 to
25 knots late. Waves building to 2 to 4 feet, then subsiding to
1 to 3 feet.
.SATURDAY...South winds 10 to 20 knots. Waves subsiding to calm
to 2 feet, then building to 1 to 3 feet.
.SATURDAY NIGHT...South winds 10 to 20 knots becoming southwest
15 to 25 knots after midnight. Waves building to 2 to 4 feet.
.SUNDAY...Southwest winds 15 to 25 knots becoming south 10 to
20 knots by mid afternoon. A slight chance of showers by mid
afternoon. Waves subsiding to calm to 2 feet.
.SUNDAY NIGHT...South winds 10 to 20 knots. A chance of showers
and thunderstorms. Waves calm to 2 feet.
.MONDAY...South winds 10 to 20 knots. A chance of showers through
early afternoon. A chance of thunderstorms. Showers likely by mid
afternoon. Waves calm to 2 feet.
.MONDAY NIGHT...West winds 5 to 15 knots. Waves calm to 2 feet.
.TUESDAY...Southwest winds 5 to 15 knots. Waves calm to 2 feet.
.WEDNESDAY...Southwest winds 5 to 15 knots veering west. A chance
of showers. Waves calm to 2 feet.
$$
LSZ263-270345-
Lake Superior from Saxon Harbor WI to Upper Entrance to Portage
Canal MI 5NM off shore to the US/Canadian border including Isle
Royale National Park-
338 PM EDT Fri Jul 26 2024
.LATE THIS AFTERNOON...South winds 5 to 15 knots. Waves calm to
2 feet.
.TONIGHT...South winds 10 to 20 knots increasing to 15 to
25 knots after midnight, then diminishing to 10 to 20 knots late.
Waves building to 2 to 4 feet.
.SATURDAY...South winds 10 to 20 knots. Waves subsiding to 1 to
3 feet.
.SATURDAY NIGHT...South winds 10 to 20 knots increasing to 15 to
25 knots after midnight, then becoming southwest 10 to 20 knots
late. Waves building to 3 to 5 feet occasionally to 7 feet, then
subsiding to 2 to 4 feet.
.SUNDAY...Southwest winds 15 to 25 knots backing south by mid
afternoon. Waves building to 3 to 5 feet occasionally to 7 feet,
then subsiding to 1 to 3 feet.
.SUNDAY NIGHT...South winds 5 to 15 knots. A chance of showers.
Waves subsiding to calm to 2 feet.
.MONDAY...South winds 5 to 15 knots. A chance of showers through
early afternoon. A chance of thunderstorms. Showers likely by mid
afternoon. Waves calm to 2 feet.
.MONDAY NIGHT...West winds 5 to 15 knots. A chance of showers and
thunderstorms through midnight. Waves calm to 2 feet.
.TUESDAY...West winds 5 to 15 knots backing southwest. Waves calm
to 2 feet.
.WEDNESDAY...Southwest winds 5 to 15 knots. Waves calm to 2 feet.
$$
LSZ264-270345-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
338 PM EDT Fri Jul 26 2024
.LATE THIS AFTERNOON...Southeast winds 5 to 15 knots. Waves calm
to 2 feet.
.TONIGHT...South winds 5 to 15 knots increasing to 10 to 20 knots
after midnight. Waves building to 3 to 5 feet occasionally to
7 feet, then subsiding to 2 to 4 feet.
.SATURDAY...South winds 10 to 20 knots diminishing to 5 to
15 knots late. Waves subsiding to 1 to 3 feet.
.SATURDAY NIGHT...South winds 5 to 15 knots increasing to 10 to
20 knots after midnight, then veering southwest late. Waves
building to 2 to 4 feet.
.SUNDAY...Southwest winds 10 to 20 knots backing south by mid
afternoon. Waves subsiding to 1 to 3 feet.
.SUNDAY NIGHT...South winds 5 to 15 knots. Waves subsiding to
calm to 2 feet.
.MONDAY...South winds 5 to 15 knots backing southeast by mid
afternoon. A chance of showers. Waves calm to 2 feet.
.MONDAY NIGHT...South winds 5 to 15 knots veering west after
midnight. A chance of showers and thunderstorms. Waves calm to
2 feet.
.TUESDAY...West winds 5 to 15 knots backing southwest. Waves calm
to 2 feet.
.WEDNESDAY...Southwest winds 5 to 15 knots. Waves calm to 2 feet.
$$
LSZ265-270345-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
338 PM EDT Fri Jul 26 2024
.LATE THIS AFTERNOON...Southeast winds 10 to 20 knots. Waves 1 to
3 feet building to 2 to 4 feet.
.TONIGHT...South winds 10 to 20 knots. Waves subsiding to calm to
2 feet.
.SATURDAY...South winds 10 to 20 knots. Waves building to 1 to
3 feet.
.SATURDAY NIGHT...South winds 10 to 20 knots. Waves building to
2 to 4 feet, then subsiding to calm to 2 feet.
.SUNDAY...South winds 10 to 20 knots. Waves calm to 2 feet.
.SUNDAY NIGHT...South winds 10 to 20 knots. Waves calm to 2 feet.
.MONDAY...South winds 10 to 20 knots backing southeast by mid
afternoon. A chance of showers and thunderstorms. Waves calm to
2 feet.
.MONDAY NIGHT...South winds 10 to 20 knots becoming west 5 to
15 knots after midnight. A chance of showers and thunderstorms.
Waves calm to 2 feet.
.TUESDAY...West winds 5 to 15 knots backing southwest. Waves calm
to 2 feet.
.WEDNESDAY...Southwest winds 5 to 15 knots backing south. Waves
calm to 2 feet.
$$
LSZ266-270345-
Lake Superior East of a line from Manitou Island to Marquette MI
and West of a line from Grand Marais MI to the US/Canadian Border
Beyond 5NM from shore-
338 PM EDT Fri Jul 26 2024
.LATE THIS AFTERNOON...South winds 10 to 20 knots. Waves 1 to
3 feet building to 2 to 4 feet.
.TONIGHT...South winds 10 to 20 knots increasing to 15 to
25 knots after midnight, then diminishing to 10 to 20 knots late.
Waves building to 3 to 6 feet occasionally to 8 feet, then
subsiding to 2 to 4 feet.
.SATURDAY...South winds 10 to 20 knots increasing to 15 to
25 knots late. Waves subsiding to 1 to 3 feet, then building to
2 to 4 feet.
.SATURDAY NIGHT...South winds 15 to 25 knots. Waves building to
3 to 6 feet occasionally to 8 feet, then subsiding to 2 to
4 feet.
.SUNDAY...South winds 10 to 20 knots increasing to 15 to 25 knots
by mid afternoon. Waves subsiding to 1 to 3 feet.
.SUNDAY NIGHT...South winds 10 to 20 knots. Waves building to
2 to 4 feet, then subsiding to 1 to 3 feet.
.MONDAY...South winds 10 to 20 knots. Waves subsiding to calm to
2 feet.
.MONDAY NIGHT...South winds 10 to 20 knots becoming west 5 to
15 knots after midnight. A chance of showers and thunderstorms.
Waves calm to 2 feet.
.TUESDAY...West winds 5 to 15 knots backing southwest. Waves calm
to 2 feet.
.WEDNESDAY...South winds 5 to 15 knots. Waves calm to 2 feet.
$$
LSZ267-270345-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
338 PM EDT Fri Jul 26 2024
.LATE THIS AFTERNOON...Southeast winds 10 to 20 knots. Waves calm
to 2 feet.
.TONIGHT...South winds 10 to 20 knots. Waves building to 1 to
3 feet.
.SATURDAY...South winds 10 to 20 knots. Waves subsiding to calm
to 2 feet, then building to 1 to 3 feet.
.SATURDAY NIGHT...South winds 15 to 25 knots. Waves building to
2 to 4 feet.
.SUNDAY...South winds 10 to 20 knots. Waves subsiding to calm to
2 feet.
.SUNDAY NIGHT...South winds 10 to 20 knots. Waves building to
1 to 3 feet, then subsiding to calm to 2 feet.
.MONDAY...South winds 10 to 20 knots. Waves calm to 2 feet.
.MONDAY NIGHT...South winds 10 to 20 knots. A chance of showers
and thunderstorms. Waves calm to 2 feet.
.TUESDAY...West winds 10 to 20 knots diminishing to 5 to
15 knots. A chance of showers. Waves calm to 2 feet.
.WEDNESDAY...South winds 5 to 15 knots. Waves calm to 2 feet.
$$
LSZ261-270345-
MAFOR 2621/
Superior West 11410 13420 11520 12420 11410. Waves 1 to 3 feet.
Superior North Central 11310 15420 11420. Waves 1 to 4 feet.
Superior South Central 11320 12420 14410 11420. Waves 1 to 4 feet.
Superior East 11310 15420 11410. Waves 1 to 4 feet.
$$
JSS
Experimental modernized open lake forecast is available online at
weather.gov/mqt/glftable
Graphical marine forecasts are available online at:
weather.gov/greatlakes
Other Information
Great Lakes Water Levels and Forecasts - Provided by USACE
GLERL - NOAA Great Lakes Forecast System
Follow us on Twitter
Follow us on Facebook
Follow us on YouTube
DLH RSS Feed