National Weather Service United States Department of Commerce

Modernized Open Waters Forecast for the Great Lakes

Feedback requested on this experimental format - Survey Link

 

Full Product Description Document

 

Please compare the new proposed/experimental version of the Open Waters Forecast with the current format.  The modernized open waters forecast will be presented in a tabular form and open up the opportunity for inclusion of extra marine variables.  The current version has a text format and includes the coded MAFOR/Maritime Forecast.  These are some of the notable differences, but please compare the products below and provide comments with this survey.

 

 

NZUS99 KCLE 042106
GLFLET

Experimental Tabular Open Lake Forecast for Lake Erie
National Weather Service Cleveland OH
506 PM EDT Tue Aug 4 2020

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...

LEZ162>164-050200-
Lake Erie open waters from Maumee Bay to Reno Beach OH-
Lake Erie open waters from Reno Beach to The Islands OH-
Lake Erie open waters from The Islands to Vermilion OH-
506 PM EDT Tue Aug 4 2020

.Tonight...
Weather.............Partly cloudy with chance of waterspouts and
                              showers, then partly cloudy with chance of
                              waterspouts and slight chance of showers after
                              midnight.
Sfc winds...........Northwest 15 to 20 knots decreasing to 5 to 10
                              knots after midnight.
100-ft winds........Northwest 20 to 25 knots decreasing to 10 to 15
                              knots after midnight.
Sig waves...........2 to 4 feet.

.WEDNESDAY...
Weather.............Mostly sunny with chance of waterspouts and
                              slight chance of showers, then mostly sunny in
                              the afternoon.
Sfc winds...........West 5 to 10 knots.
100-ft winds........West 10 to 15 knots.
Sig waves...........1 to 3 feet.

.WEDNESDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........Light and variable winds becoming south 5 to 10
                              knots after midnight.
100-ft winds........Light and variable winds becoming south 10 to
                              15 knots after midnight.
Sig waves...........2 feet or less.

.THURSDAY...
Weather.............Mostly sunny.
Sfc winds...........Light and variable winds becoming northeast 5
                              to 10 knots in the afternoon.
100-ft winds........Light and variable winds becoming northeast 10
                              to 15 knots in the afternoon.
Sig waves...........2 feet or less.

.THURSDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........East 5 to 10 knots.
100-ft winds........East 10 to 15 knots.
Sig waves...........1 to 3 feet.


.FORECAST DAYS 3 THROUGH 5...

.FRIDAY...Northeast winds 5 to 10 knots. Waves 1 to 3 feet.
.SATURDAY...Northeast winds 5 to 10 knots. Waves 1 to 3 feet.
.SUNDAY...Chance of showers and thunderstorms. South winds 5 to
10 knots. Waves 2 to 4 feet.

$$

LEZ165>168-050200-
Lake Erie open waters from Vermilion to Avon Point OH-
Lake Erie open waters from Avon Point to Willowick OH-
Lake Erie open waters from Willowick to Geneva-on-the-Lake OH-
Lake Erie open waters from Geneva-on-the-Lake to Conneaut OH-
506 PM EDT Tue Aug 4 2020

.Tonight...
Weather.............Mostly cloudy with chance of waterspouts and
                              slight chance of showers.
Sfc winds...........West 15 to 20 knots becoming northwest 10 to 15
                              knots after midnight.
100-ft winds........West 20 to 25 knots becoming northwest 15 to 20
                              knots after midnight.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.

.WEDNESDAY...
Weather.............Partly sunny with chance of waterspouts and
                              showers, then mostly sunny in the afternoon.
Sfc winds...........Northwest 10 to 15 knots.
100-ft winds........Northwest 15 to 20 knots.
Sig waves...........2 to 4 feet.

.WEDNESDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........West 5 to 10 knots in the evening becoming
                              light and variable.
100-ft winds........West 10 to 15 knots in the evening becoming
                              light and variable.
Sig waves...........1 to 3 feet.

.THURSDAY...
Weather.............Sunny.
Sfc winds...........Southeast 5 to 10 knots becoming northeast in
                              the afternoon.
100-ft winds........Southeast 10 to 15 knots becoming northeast in
                              the afternoon.
Sig waves...........2 feet or less.

.THURSDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........Northeast 5 to 10 knots.
100-ft winds........Northeast 10 to 15 knots.
Sig waves...........1 to 3 feet.


.FORECAST DAYS 3 THROUGH 5...

.FRIDAY...Northeast winds 5 to 10 knots. Waves 1 to 3 feet.
.SATURDAY...Northeast winds 5 to 10 knots. Waves 1 to 3 feet.
.SUNDAY...Chance of showers and thunderstorms. South winds 5 to
10 knots. Waves 2 to 4 feet.

$$

LEZ061-169-050200-
Lake Erie open waters from Ripley to Buffalo NY-
Lake Erie open waters from Conneaut OH to Ripley NY-
506 PM EDT Tue Aug 4 2020

.Tonight...
Weather.............Mostly cloudy with chance of waterspouts and
                              showers.
Sfc winds...........West 15 to 20 knots.
100-ft winds........West 20 to 25 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.

.WEDNESDAY...
Weather.............Mostly sunny.
Sfc winds...........West 10 to 15 knots.
100-ft winds........West 15 to 20 knots.
Sig waves...........2 to 4 feet.
Ocnl waves..........Around 5 feet in the afternoon.

.WEDNESDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........West 10 to 15 knots in the evening becoming
                              light and variable.
100-ft winds........West 15 to 20 knots in the evening becoming
                              light and variable.
Sig waves...........3 to 5 feet subsiding to 2 to 4 feet after
                              midnight.
Ocnl waves..........Around 5 feet in the evening.

.THURSDAY...
Weather.............Sunny.
Sfc winds...........Light and variable winds becoming east 5 to 10
                              knots in the afternoon.
100-ft winds........Light and variable winds becoming east 10 to 15
                              knots in the afternoon.
Sig waves...........2 feet or less.

.THURSDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........Northeast 5 to 10 knots.
100-ft winds........Northeast 10 to 15 knots.
Sig waves...........1 to 3 feet.


.FORECAST DAYS 3 THROUGH 5...

.FRIDAY...Northeast winds 5 to 10 knots. Waves 1 to 3 feet.
.SATURDAY...Northeast winds 5 to 10 knots. Waves 1 to 3 feet.
.SUNDAY...Chance of showers and thunderstorms. South winds 5 to
10 knots. Waves 2 to 4 feet.

$$

LEZ161-050200-
MAFOR 0421/
ERIE WEST 1/3 13710 14700 11600. A chance of waterspouts tonight
and Wednesday morning. A chance of showers tonight and Wednesday
morning. Waves 1 to 3 feet tonight. Waves 1 foot or less
Wednesday.

ERIE CENTRAL 1/3 12720 12710 12700 12600. A chance of waterspouts
tonight and Wednesday morning. A chance of showers early this
evening and Wednesday morning. Waves 2 to 4 feet subsiding to 1
to 3 feet tonight. Waves 2 feet or less Wednesday.

ERIE EAST 1/3 12610 13710 12600 11610. A chance of waterspouts
tonight. A chance of showers tonight. Waves 1 to 2 feet building
to 2 to 4 feet tonight. Waves 1 to 3 feet Wednesday.

$$

 


279
FZUS61 KCLE 050226
GLFLE

Open Lake Forecast for Lake Erie
National Weather Service Cleveland OH
1026 PM EDT Tue Aug 4 2020

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...
A trough averaging 29.90 inches will linger across the lake
through tonight. High pressure of 30.10 inches will build east
across the lake Wednesday and become nearly stationary through
Friday. The high will begin to slowly shift east Saturday.

LEZ162>164-050830-
Lake Erie open waters from Maumee Bay to Reno Beach OH-
Lake Erie open waters from Reno Beach to The Islands OH-
Lake Erie open waters from The Islands to Vermilion OH-
1026 PM EDT Tue Aug 4 2020

.OVERNIGHT...North winds 5 to 15 knots becoming northwest.
A chance of waterspouts. A chance of showers, then a slight
chance of showers late. Waves 1 to 3 feet subsiding to 1 foot or
less.
.WEDNESDAY...Northwest winds 10 knots or less becoming west. A
chance of waterspouts early. A slight chance of showers in the
morning. Waves 1 foot or less.
.WEDNESDAY NIGHT...Southwest winds less than 10 knots. Waves
1 foot or less.
.THURSDAY...Southeast winds 10 knots or less becoming east. Waves
1 foot or less.
.THURSDAY NIGHT...East winds 5 to 10 knots becoming northeast.
Waves 1 foot or less.
.FRIDAY...Northeast winds 10 knots or less becoming east. Waves
1 foot or less.
.SATURDAY...Northeast winds 10 knots or less becoming south.
Waves 1 foot or less.
.SUNDAY...South winds 5 to 10 knots becoming southwest. A chance
of showers and thunderstorms Sunday night. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LEZ165-166-050830-
Lake Erie open waters from Vermilion to Avon Point OH-
Lake Erie open waters from Avon Point to Willowick OH-
1026 PM EDT Tue Aug 4 2020

.OVERNIGHT...Northwest winds 5 to 15 knots. A chance of
waterspouts. A chance of showers, then a slight chance of showers
late. Waves 2 to 4 feet subsiding to 1 to 2 feet.
.WEDNESDAY...Northwest winds 5 to 10 knots becoming west. A
chance of waterspouts in the morning. A slight chance of showers
early, then a chance of showers late in the morning. A slight
chance of showers early in the afternoon. Waves 2 feet or less.
.WEDNESDAY NIGHT...West winds 10 knots or less becoming south.
Waves 1 foot or less.
.THURSDAY...Southeast winds 10 knots or less becoming northeast.
Waves 1 foot or less.
.THURSDAY NIGHT...Northeast winds 5 to 10 knots becoming east.
Waves around 1 foot.
.FRIDAY...Northeast winds 5 to 10 knots becoming east. Waves
around 1 foot.
.SATURDAY...Northeast winds 5 to 10 knots becoming southeast.
Waves 1 foot or less.
.SUNDAY...South winds 5 to 15 knots. A chance of showers and
thunderstorms Sunday night. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LEZ061-167>169-050830-
Lake Erie open waters from Ripley to Buffalo NY-
Lake Erie open waters from Willowick to Geneva-on-the-Lake OH-
Lake Erie open waters from Geneva-on-the-Lake to Conneaut OH-
Lake Erie open waters from Conneaut OH to Ripley NY-
1026 PM EDT Tue Aug 4 2020

.OVERNIGHT...Northwest winds 10 to 15 knots. A chance of
waterspouts. A chance of showers, then a slight chance of showers
late. Waves 2 to 4 feet.
.WEDNESDAY...Northwest winds 5 to 15 knots becoming west. Waves
1 to 3 feet.
.WEDNESDAY NIGHT...West winds 5 to 15 knots becoming south less
than 10 knots. Waves 1 to 3 feet subsiding to 1 foot or less.
.THURSDAY...Southeast winds 10 knots or less becoming northeast.
Waves 1 foot or less.
.THURSDAY NIGHT...Northeast winds 5 to 10 knots becoming east.
Waves 1 foot or less.
.FRIDAY...East winds 10 knots or less. Waves 2 feet or less.
.SATURDAY...Northeast winds 10 knots or less becoming southeast.
Waves 1 foot or less.
.SUNDAY...South winds 5 to 15 knots. A chance of showers and
thunderstorms Sunday night. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LEZ161-050830-
MAFOR 0503/
ERIE WEST 1/3 11710 14700 11600 12500. A chance of waterspouts
overnight and Wednesday morning. A chance of showers overnight
and Wednesday morning. Waves 1 to 3 feet overnight. Waves 1 foot
or less Wednesday and Wednesday evening.

ERIE CENTRAL 1/3 12710 12700 14600. A chance of waterspouts
overnight and Wednesday morning. A chance of showers Wednesday
morning. Waves 2 to 4 feet subsiding to 1 to 3 feet overnight.
Waves 2 feet or less Wednesday and Wednesday evening.

ERIE EAST 1/3 13710 12600 12610 11600. A chance of waterspouts
overnight. A chance of showers overnight. Waves 2 to 4 feet
overnight. Waves 1 to 3 feet Wednesday and Wednesday evening.

$$