fzus61 kbuf 180210
glflo 
expires:202604180900;;554658

open lake forecast for lake ontario
national weather service buffalo ny
1009 pm edt fri apr 17 2026

for waters beyond five nautical miles of shore on lake ontario

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 30.0 inch high over the lake this evening will slide 
east into new england tonight. meanwhile, a 29.4 inch low near lake 
superior this evening will move to james bay and deepen to 29.0 
inches saturday, while pushing a trailing strong cold front across 
the lake later saturday and saturday evening. a 30.4 inch high will 
then settle southeastward across the great lakes sunday through 
monday night, before sliding off the mid-atlantic coast tuesday. a 
29.4 inch low over lower hudson bay tuesday, will weaken to 29.9 
inches by wednesday, while pushing an attendant weak cold front 
across the lake tuesday night. a 30.2 inch high will then build 
across the great lakes region wednesday and thursday.


loz062-180900-
lake ontario open waters from the niagara river to hamlin beach-
1009 pm edt fri apr 17 2026

.overnight...east winds 5 to 15 knots. patchy fog. waves
2 feet or less. 
.saturday...southeast winds 10 to 15 knots becoming southwest
15 to 20 knots. patchy fog early. a chance of showers late in the
morning. showers in the afternoon. waves 1 to 3 feet. 
.saturday night...west winds 15 to 20 knots diminishing to 10 to
15 knots. rain showers likely. waves 2 to 4 feet. 
.sunday...west winds 10 to 15 knots increasing to 15 to 20 knots.
a chance of rain showers. waves 2 to 4 feet building to 3 to
5 feet. 
.sunday night...west winds 15 to 20 knots becoming northwest. a
chance of rain showers in the evening. waves 3 to 5 feet. 
.monday...northwest winds 15 to 20 knots becoming southwest 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday...south winds 10 to 15 knots becoming northwest. a
chance of rain showers. waves 1 to 3 feet. 
.wednesday...north winds 5 to 15 knots becoming northeast. waves
2 feet or less. 

$$

fzus61 kbuf 180210
glflo 
expires:202604180900;;554659

open lake forecast for lake ontario
national weather service buffalo ny
1009 pm edt fri apr 17 2026

for waters beyond five nautical miles of shore on lake ontario

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 30.0 inch high over the lake this evening will slide 
east into new england tonight. meanwhile, a 29.4 inch low near lake 
superior this evening will move to james bay and deepen to 29.0 
inches saturday, while pushing a trailing strong cold front across 
the lake later saturday and saturday evening. a 30.4 inch high will 
then settle southeastward across the great lakes sunday through 
monday night, before sliding off the mid-atlantic coast tuesday. a 
29.4 inch low over lower hudson bay tuesday, will weaken to 29.9 
inches by wednesday, while pushing an attendant weak cold front 
across the lake tuesday night. a 30.2 inch high will then build 
across the great lakes region wednesday and thursday.


loz063>065-180900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1009 pm edt fri apr 17 2026

.overnight...southeast winds 10 knots or less increasing to
10 to 15 knots. patchy fog. waves 2 feet or less. 
.saturday...southeast winds 15 to 25 knots becoming south. patchy
fog early. a chance of showers early in the afternoon. showers
late. waves 1 to 3 feet building to 3 to 5 feet. 
.saturday night...southwest winds 15 to 25 knots becoming west.
rain showers. waves 3 to 5 feet. 
.sunday...west winds 10 to 15 knots increasing to 15 to 20 knots.
rain showers in the morning, then a chance of rain showers in the
afternoon. waves 2 to 4 feet building to 3 to 6 feet. 
.sunday night...west winds 15 to 20 knots becoming northwest.
waves 4 to 7 feet subsiding to 3 to 6 feet. waves occasionally
around 9 feet. 
.monday...northwest winds 15 to 20 knots becoming west 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.tuesday...south winds 15 to 20 knots becoming west 10 to
15 knots. a chance of rain showers. waves 1 to 3 feet. 
.wednesday...northwest winds 5 to 15 knots becoming north. waves
1 to 3 feet subsiding to 1 foot or less. 

$$

fzus61 kcle 180120
glfle 
expires:202604180815;;553074

open lake forecast for lake erie
national weather service cleveland oh
920 pm edt fri apr 17 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...
a warm front will lift north across lake erie saturday morning
before low pressure 29.40 inches drags a cold front east through
the great lakes and ohio valley saturday evening. a trough
averaging 29.90 inches builds across the lake on sunday before
high pressure 30.40 inches moves overhead sunday night into
monday.


lez162>164-180815-
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-
920 pm edt fri apr 17 2026

.rest of tonight...east winds 10 to 15 knots becoming south 15 to
20 knots. patchy fog late this evening. a chance of showers and
thunderstorms late. waves 1 to 3 feet. 
.saturday...south winds 15 to 20 knots becoming west. showers
with a chance of thunderstorms in the morning, then showers
likely with a slight chance of thunderstorms early in the
afternoon. a chance of showers with a slight chance of
thunderstorms late. waves 1 to 3 feet building to 2 to 4 feet. 
.saturday night...west winds 15 to 20 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.sunday...west winds 15 to 20 knots. waves 1 to 3 feet. 
.sunday night...northwest winds 15 to 20 knots becoming north
10 to 15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.monday...northwest winds 5 to 15 knots becoming south 15 to
20 knots. waves 1 to 3 feet. 
.tuesday...south winds 15 to 20 knots becoming northwest 10 to
15 knots. waves 1 to 3 feet. 
.wednesday...northeast winds 5 to 15 knots becoming east. waves
2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 180120
glfle 
expires:202604180815;;553075

open lake forecast for lake erie
national weather service cleveland oh
920 pm edt fri apr 17 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...
a warm front will lift north across lake erie saturday morning
before low pressure 29.40 inches drags a cold front east through
the great lakes and ohio valley saturday evening. a trough
averaging 29.90 inches builds across the lake on sunday before
high pressure 30.40 inches moves overhead sunday night into
monday.


lez165>168-180815-
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-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
920 pm edt fri apr 17 2026

.rest of tonight...east winds 5 to 15 knots becoming southeast
15 to 20 knots. patchy dense fog, then patchy fog late. waves
1 to 3 feet. 
.saturday...south winds 15 to 20 knots becoming west. a chance of
showers with a slight chance of thunderstorms in the morning,
then showers with a chance of thunderstorms in the afternoon.
waves 2 to 4 feet building to 3 to 5 feet. 
.saturday night...west winds 15 to 20 knots. a chance of showers.
waves 2 to 4 feet. 
.sunday...west winds 15 to 20 knots. a chance of rain showers in
the afternoon. waves 2 to 4 feet. 
.sunday night...west winds 15 to 20 knots becoming north 10 to
15 knots. a chance of rain showers in the evening. waves 2 to
4 feet. 
.monday...northwest winds 5 to 15 knots becoming south 15 to
20 knots. waves 1 to 3 feet. 
.tuesday...south winds 15 to 20 knots becoming west 10 to
15 knots. waves 2 to 4 feet. 
.wednesday...north winds 5 to 15 knots becoming east. waves 2 to
4 feet subsiding to 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 180120
glfle 
expires:202604180815;;553076

open lake forecast for lake erie
national weather service cleveland oh
920 pm edt fri apr 17 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...
a warm front will lift north across lake erie saturday morning
before low pressure 29.40 inches drags a cold front east through
the great lakes and ohio valley saturday evening. a trough
averaging 29.90 inches builds across the lake on sunday before
high pressure 30.40 inches moves overhead sunday night into
monday.


lez061-169-180815-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
920 pm edt fri apr 17 2026

.rest of tonight...east winds 10 knots or less becoming southeast
10 to 15 knots. areas of dense fog, then patchy fog late. waves
2 feet or less. 
.saturday...south winds 15 to 20 knots becoming southwest. a
slight chance of showers in the morning, then showers with a
chance of thunderstorms in the afternoon. waves 1 to 3 feet
building to 2 to 4 feet. 
.saturday night...southwest winds 10 to 15 knots becoming west.
rain showers likely in the evening, then a chance of rain showers
overnight. waves 2 to 4 feet. 
.sunday...west winds 10 to 15 knots. a chance of rain and snow
showers in the afternoon. waves 2 to 4 feet. 
.sunday night...west winds 10 to 15 knots becoming northwest. a
chance of rain showers in the evening. waves 2 to 3 feet. 
.monday...northwest winds 5 to 10 knots becoming south. waves
1 to 2 feet. 
.tuesday...south winds 10 to 15 knots becoming west. waves 1 to
3 feet. 
.wednesday...north winds 10 knots or less becoming east. waves
1 to 3 feet subsiding to 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 180158
glfsc 
expires:202604181000;;553876

lake st clair forecast
national weather service detroit/pontiac mi
958 pm edt fri apr 17 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...some areas of fog this evening into early tonight
mainly over the northern half of lake huron. low pressure, 29.30
inches, lifting into northern ontario drags a respectable cold
front through the central great lakes saturday supporting another
round of showers and storms. colder air filters into the region
the rest of the weekend maintaining moderate to strong
northwesterly winds.


lcz460-181000-
lake st clair-
958 pm edt fri apr 17 2026

.rest of tonight...southeast winds 10 to 15 knots becoming south 15
to 20 knots early in the morning. partly cloudy by midnight.. then
mostly cloudy with light showers likely and a chance of
thunderstorms early in the morning. waves 1 to 3 feet.
.saturday...south winds 15 to 20 knots veering to the west in the
afternoon. light showers and a chance of thunderstorms in the
morning...then light showers likely in the afternoon. waves 1 to 3
feet.
.saturday night...west winds 10 to 15 knots. partly cloudy. waves 2
feet or less.
.sunday...west winds 10 to 15 knots increasing to 15 to 20 knots in
the late morning and afternoon. partly sunny. a chance of light
showers early in the afternoon. waves 2 feet or less.
.sunday night...northwest winds 15 to 20 knots diminishing to 5 to
10 knots. partly cloudy. a chance of light showers early in the
evening. waves 2 feet or less.
.monday...north winds 5 to 10 knots veering to the southeast in the
evening. mostly clear. waves 2 feet or less.
.tuesday...west winds 15 to 20 knots. partly cloudy. waves 1 to 3
feet.
.wednesday...east winds 10 to 15 knots. mostly clear. waves 2 feet
or less.

$$

fzus63 kdtx 180154
glflh 
expires:202604181000;;553706

open lake forecast for lake huron
national weather service detroit/pontiac mi
954 pm edt fri apr 17 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...some areas of fog this evening into early tonight
mainly over the northern half of lake huron. low pressure, 29.30
inches, lifting into northern ontario drags a respectable cold
front through the central great lakes saturday supporting another
round of showers and storms. colder air filters into the region
the rest of the weekend maintaining moderate to strong
northwesterly winds.


lhz462>464-181000-
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-
954 pm edt fri apr 17 2026

.rest of tonight...southeast winds 15 to 20 knots increasing to
20 to 25 knots with gusts to around 30 knots early in the
morning. a chance of showers and thunderstorms after midnight.
waves 3 to 5 feet building to 5 to 7 feet early in the morning.
waves occasionally around 10 feet. 
.saturday...south winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots in the late morning and
early afternoon...then becoming west 10 to 15 knots late in the
afternoon. showers likely and a chance of thunderstorms in the
morning...then a chance of showers in the afternoon. waves 5 to
7 feet. waves occasionally around 10 feet. 
.saturday night...west winds 10 to 15 knots. waves 2 to 4 feet. 
.sunday...west winds 10 to 15 knots. a chance of snow showers in
the afternoon. waves 2 to 4 feet. 
.sunday night...north winds 15 to 20 knots. waves 6 to 9 feet.
waves occasionally around 12 feet. 
.monday...northwest winds 10 to 15 knots decreasing to 5 to
10 knots late in the morning...then veering to the northeast late
in the afternoon becoming south 15 to 20 knots late in the
evening. waves 4 to 6 feet subsiding to 1 to 3 feet late in the
afternoon...then building to 4 to 6 feet late in the evening.
waves occasionally around 8 feet. 
.tuesday...south winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots in the late morning and
early afternoon...then becoming southwest 10 to 15 knots early in
the evening veering to the northwest by midnight. waves 6 to
9 feet subsiding to 3 to 5 feet . waves occasionally around
12 feet. 
.wednesday...north winds 10 to 15 knots decreasing to 5 to
10 knots. waves 2 to 4 feet subsiding to 1 to 3 feet . 


$$

fzus63 kdtx 180154
glflh 
expires:202604181000;;553705

open lake forecast for lake huron
national weather service detroit/pontiac mi
954 pm edt fri apr 17 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...some areas of fog this evening into early tonight
mainly over the northern half of lake huron. low pressure, 29.30
inches, lifting into northern ontario drags a respectable cold
front through the central great lakes saturday supporting another
round of showers and storms. colder air filters into the region
the rest of the weekend maintaining moderate to strong
northwesterly winds.


lhz361>363-181000-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
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-
954 pm edt fri apr 17 2026

.rest of tonight...southeast winds 15 to 20 knots increasing to
20 to 25 knots with gusts to around 30 knots after midnight.
areas of fog this evening. a chance of showers after midnight.
waves 6 to 9 feet. waves occasionally around 12 feet. 
.saturday...south winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots with gusts to around
30 knots late in the morning...then veering to the southwest
early in the afternoon veering to the west late in the afternoon.
showers likely in the morning. waves 8 to 12 feet. waves
occasionally around 15 feet. 
.saturday night...northwest winds 10 to 15 knots. waves 5 to
7 feet. waves occasionally around 10 feet. 
.sunday...west winds 10 to 15 knots becoming northwest 20 to
25 knots with gusts to around 30 knots. waves 5 to 7 feet
building to 6 to 9 feet early in the afternoon. waves
occasionally around 12 feet. 
.sunday night...northwest winds 20 to 25 knots with gusts to
around 30 knots decreasing to 15 to 20 knots after midnight.
waves 8 to 12 feet. waves occasionally around 15 feet. 
.monday...northwest winds 10 to 15 knots becoming west 5 to
10 knots late in the morning...then becoming southwest 10 to
15 knots late in the afternoon becoming south 15 to 20 knots with
gusts to around 30 knots late in the evening. waves 4 to 6 feet
subsiding to 1 to 3 feet late in the afternoon...then building to
6 to 9 feet late in the evening. waves occasionally around
12 feet. 
.tuesday...south winds 20 to 25 knots with gusts to around
30 knots becoming southwest 15 to 20 knots with gusts to around
30 knots in the late morning and early afternoon...then
decreasing to 10 to 15 knots early in the evening veering to the
northwest by midnight. waves 6 to 9 feet subsiding to 3 to 5 feet
by midnight. waves occasionally around 12 feet. 
.wednesday...north winds 10 to 15 knots becoming northeast 5 to
10 knots. waves 2 to 4 feet subsiding to 1 to 3 feet . 


$$