fzus61 kbuf 172002
glflo 
expires:202609180300;;618665

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt thu sep 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 weak front stalled just south of the lake this evening 
will move southeast and away from the lake overnight. a 30.3 inch 
high will then build from northwest ontario province friday to 
southern quebec saturday, then off the new england coast saturday 
night. a weak 29.9 inch low is then forecast to move east across 
ohio and pennsylvania late saturday night through sunday. another 
30.3 inch high will then build from northwest ontario province 
sunday night to quebec by tuesday and wednesday while gradually 
strengthening to 30.6 inches.


loz062-180300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt thu sep 17 2026

.tonight...northwest winds 5 to 15 knots becoming north. waves
1 to 2 feet. 
.friday...north winds 5 to 15 knots diminishing to less than
10 knots. waves 2 feet or less. 
.friday night...north winds 5 to 15 knots becoming east 15 to
20 knots. waves 2 feet or less building to 2 to 4 feet. 
.saturday...east winds 10 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.saturday night...east winds 10 to 15 knots. a chance of showers
overnight. waves 1 to 3 feet. 
.sunday...northeast winds 10 to 15 knots increasing to 15 to
25 knots. a chance of showers during the day. waves 1 to 3 feet
building to 3 to 6 feet. 
.monday...northeast winds 15 to 25 knots. waves 5 to 8 feet.
waves occasionally around 10 feet. 
.tuesday...northeast winds to 30 knots becoming east. a chance of
showers. waves 5 to 9 feet. waves occasionally around 11 feet. 

$$

fzus61 kbuf 172002
glflo 
expires:202609180300;;618666

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt thu sep 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 weak front stalled just south of the lake this evening 
will move southeast and away from the lake overnight. a 30.3 inch 
high will then build from northwest ontario province friday to 
southern quebec saturday, then off the new england coast saturday 
night. a weak 29.9 inch low is then forecast to move east across 
ohio and pennsylvania late saturday night through sunday. another 
30.3 inch high will then build from northwest ontario province 
sunday night to quebec by tuesday and wednesday while gradually 
strengthening to 30.6 inches.


loz063>065-180300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt thu sep 17 2026

.tonight...northwest winds 5 to 15 knots becoming north. waves
2 feet or less. 
.friday...north winds 10 to 15 knots. waves 1 to 3 feet. 
.friday night...north winds 10 to 15 knots becoming northeast.
waves 1 to 3 feet. 
.saturday...east winds 5 to 15 knots. waves 1 to 3 feet. 
.saturday night...east winds 5 to 10 knots. a chance of showers
overnight. waves 2 feet or less. 
.sunday...east winds 10 to 15 knots becoming northeast and
increasing to 15 to 25 knots. a chance of showers during the day.
waves 1 to 3 feet building to 3 to 6 feet. 
.monday...northeast winds 15 to 25 knots. waves 4 to 7 feet.
waves occasionally around 9 feet. 
.tuesday...northeast winds 15 to 25 knots becoming east. a chance
of showers. waves 4 to 7 feet subsiding to 3 to 6 feet. waves
occasionally around 9 feet. 

$$

fzus61 kcle 171940
glfle 
expires:202609180215;;618019

open lake forecast for lake erie
national weather service cleveland oh
340 pm edt thu sep 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...
high pressure 30.20 inches will build south 
across the great lakes into friday. low pressure 29.90 inches will 
track east across the great lakes on saturday and extend a cold 
front through the area on sunday. a trough averaging 29.90 inches 
will linger behind the front into early next week.


lez164>167-180215-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
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-
340 pm edt thu sep 17 2026

.tonight...north winds 10 knots or less becoming northeast 10 to
15 knots. waves 2 feet or less building to 2 to 3 feet. 
.friday...northeast winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.friday night...northeast winds 5 to 15 knots becoming east.
waves 1 to 3 feet. 
.saturday...east winds 5 to 15 knots. a chance of showers. waves
1 to 3 feet. 
.saturday night...east winds 5 to 15 knots becoming northeast.
showers. waves 1 to 3 feet. 
.sunday...northeast winds 15 to 25 knots. showers likely during
the day. waves 2 to 4 feet building to 5 to 8 feet. waves
occasionally around 10 feet. 
.monday...east winds to 30 knots becoming northeast. a chance of
showers monday night. waves 7 to 11 feet. waves occasionally
around 14 feet. 
.tuesday...east winds to 30 knots. a chance of showers. waves
7 to 11 feet subsiding to 6 to 9 feet. waves occasionally around
14 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 171940
glfle 
expires:202609180215;;618020

open lake forecast for lake erie
national weather service cleveland oh
340 pm edt thu sep 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...
high pressure 30.20 inches will build south 
across the great lakes into friday. low pressure 29.90 inches will 
track east across the great lakes on saturday and extend a cold 
front through the area on sunday. a trough averaging 29.90 inches 
will linger behind the front into early next week.


lez061-168-169-180215-
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-
340 pm edt thu sep 17 2026

.tonight...northwest winds 10 knots or less becoming northeast
10 to 15 knots. waves 2 feet or less. 
.friday...northeast winds 5 to 15 knots. waves 1 to 3 feet. 
.friday night...northeast winds 10 to 15 knots becoming east.
waves 1 to 3 feet. 
.saturday...east winds 5 to 15 knots. waves 2 feet or less. 
.saturday night...east winds 5 to 15 knots. showers likely in the
evening, then showers overnight. waves 2 feet or less. 
.sunday...northeast winds 10 to 15 knots increasing to 15 to
25 knots. a chance of showers during the day. waves 1 to 3 feet
building to 3 to 6 feet. 
.monday...northeast winds to 30 knots becoming east. a chance of
showers monday night. waves 5 to 8 feet. waves occasionally
around 10 feet. 
.tuesday...east winds to 30 knots diminishing to 15 to 25 knots.
a chance of showers. waves 5 to 8 feet. waves occasionally around
10 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 171940
glfle 
expires:202609180215;;618018

open lake forecast for lake erie
national weather service cleveland oh
340 pm edt thu sep 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...
high pressure 30.20 inches will build south 
across the great lakes into friday. low pressure 29.90 inches will 
track east across the great lakes on saturday and extend a cold 
front through the area on sunday. a trough averaging 29.90 inches 
will linger behind the front into early next week.


lez162-163-180215-
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-
340 pm edt thu sep 17 2026

.tonight...northeast winds 10 knots or less increasing to 10 to
15 knots. a slight chance of showers and thunderstorms. waves
1 to 3 feet. 
.friday...northeast winds 15 to 20 knots diminishing to 10 to
15 knots. waves 1 to 3 feet building to 2 to 4 feet, then
subsiding to 1 to 3 feet. 
.friday night...northeast winds 10 to 15 knots becoming east.
waves 2 feet or less. 
.saturday...east winds around 10 knots. showers likely. waves
2 feet or less. 
.saturday night...east winds around 10 knots becoming northeast.
showers. waves 2 feet or less. 
.sunday...northeast winds 10 to 15 knots increasing to 15 to
25 knots. showers likely with a chance of thunderstorms during
the day. waves 1 to 3 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.monday...northeast winds to 30 knots. a chance of showers. waves
6 to 9 feet. waves occasionally around 11 feet. 
.tuesday...northeast winds to 30 knots becoming east. a chance of
showers. waves 5 to 9 feet subsiding to 4 to 7 feet. waves
occasionally around 11 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 171950
glflh 
expires:202609180400;;618198

open lake forecast for lake huron
national weather service detroit/pontiac mi
350 pm edt thu sep 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...southern edge of northern ontario high pressure, 30.30
inches, slides across the central great lakes through thursday. a
secondary cold front passes southward through the region thursday
night into early friday before plains low pressure arrives this
weekend.


lhz361-180400-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
350 pm edt thu sep 17 2026

.tonight...light and variable winds becoming northwest 5 to
10 knots late in the evening...then increasing to 10 to 15 knots
after midnight. waves 2 feet or less. 
.friday...northeast winds 10 to 15 knots becoming light and
variable. waves 2 feet or less. 
.friday night...light and variable winds becoming east 5 to
10 knots after midnight. waves 2 feet or less. 
.saturday...east winds 5 to 10 knots becoming southeast 10 to
15 knots in the late morning and early afternoon...then becoming
east 5 to 10 knots early in the afternoon. waves 2 feet or less. 
.saturday night...east winds 5 to 10 knots early in the evening
becoming light and variable...then becoming northeast 5 to
10 knots after midnight. waves 2 feet or less. 
.sunday...north winds 5 to 10 knots becoming northeast 15 to
20 knots with gusts to around 30 knots late in the evening. waves
2 feet or less building to 3 to 5 feet late in the evening. 
.monday...northeast winds 15 to 20 knots becoming east 10 to
15 knots in the late morning and early afternoon...then becoming
northeast 5 to 10 knots early in the evening becoming east 15 to
20 knots by midnight. waves 3 to 5 feet subsiding to 1 to 3 feet
early in the evening...then building to 2 to 4 feet by midnight. 
.tuesday...east winds 15 to 20 knots decreasing to 10 to 15 knots
with gusts to around 30 knots . waves 3 to 5 feet. 


$$

fzus63 kdtx 171950
glfsc 
expires:202609180400;;618202

lake st clair forecast
national weather service detroit/pontiac mi
350 pm edt thu sep 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...southern edge of northern ontario high pressure, 30.30
inches, slides across the central great lakes through thursday. a
secondary cold front passes southward through the region thursday
night into early friday before plains low pressure arrives this
weekend.


lcz460-180400-
lake st clair-
350 pm edt thu sep 17 2026

.tonight...northeast winds 5 to 10 knots becoming north 10 to 15
knots in the late evening and overnight. partly cloudy. waves 2 feet
or less.
.friday...north winds 10 to 15 knots becoming northeast 5 to 10
knots early in the afternoon...then increasing to 10 to 15 knots
late in the afternoon. mostly sunny. waves 2 feet or less.
.friday night...northeast winds 15 to 20 knots diminishing to 10 to
15 knots in the late evening and overnight. partly cloudy early in
the evening becoming mostly cloudy. waves 1 to 3 feet.
.saturday...east winds 10 to 15 knots diminishing to 5 to 10 knots
in the late morning and early afternoon...then increasing to 10 to
15 knots early in the afternoon. mostly cloudy with showers likely.
waves 2 feet or less.
.saturday night...east winds 10 to 15 knots. light showers .. then
showers likely after midnight. waves 2 feet or less.
.sunday...northeast winds 10 to 15 knots increasing to 15 to 20
knots in the evening. mostly cloudy with showers likely in the
morning...then partly cloudy with a chance of light showers in the
afternoon and evening. waves 1 to 3 feet.
.monday...northeast winds to 30 knots. mostly cloudy. waves 2 to 4
feet. a small craft advisory may be needed.
.tuesday...northeast winds to 30 knots. partly cloudy. a chance of
showers. waves 2 to 4 feet.

$$

fzus63 kdtx 171950
glflh 
expires:202609180400;;618199

open lake forecast for lake huron
national weather service detroit/pontiac mi
350 pm edt thu sep 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...southern edge of northern ontario high pressure, 30.30
inches, slides across the central great lakes through thursday. a
secondary cold front passes southward through the region thursday
night into early friday before plains low pressure arrives this
weekend.


lhz362-363-180400-
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 thu sep 17 2026

.tonight...light and variable winds becoming north 15 to
20 knots. waves 2 feet or less. 
.friday...north winds 15 to 20 knots becoming northeast 5 to
10 knots. waves 2 to 4 feet subsiding to 1 to 3 feet late in the
afternoon. 
.friday night...northeast winds 5 to 10 knots veering to the east
after midnight. waves 2 feet or less. 
.saturday...east winds 5 to 10 knots. a chance of showers in the
morning. waves 2 feet or less. 
.saturday night...east winds 5 to 10 knots backing to the
northeast after midnight. a chance of showers in the evening.
waves 2 feet or less. 
.sunday...northeast winds 10 to 15 knots increasing to 20 to
25 knots late in the evening. waves 1 to 3 feet building to 5 to
7 feet. waves occasionally around 10 feet. 
.monday...northeast winds 15 to 20 knots. gusts to 30 knots early
in the evening. waves 4 to 6 feet. 
.tuesday...east winds 15 to 20 knots. gusts to 30 knots. waves
4 to 6 feet. 


$$

fzus63 kdtx 171950
glflh 
expires:202609180400;;618200

open lake forecast for lake huron
national weather service detroit/pontiac mi
350 pm edt thu sep 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...southern edge of northern ontario high pressure, 30.30
inches, slides across the central great lakes through thursday. a
secondary cold front passes southward through the region thursday
night into early friday before plains low pressure arrives this
weekend.


lhz462>464-180400-
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 thu sep 17 2026

.tonight...north winds 5 to 10 knots increasing to 10 to 15 knots
after midnight. waves 1 to 3 feet. 
.friday...north winds 15 to 20 knots decreasing to 10 to 15 knots
in the late morning and afternoon. waves 2 to 4 feet. 
.friday night...northeast winds 10 to 15 knots veering to the
east after midnight. waves 2 to 4 feet subsiding to 1 to 3 feet
after midnight. 
.saturday...east winds 10 to 15 knots becoming southeast 5 to
10 knots in the late morning and afternoon. a chance of showers.
waves 2 feet or less. 
.saturday night...east winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. a chance of showers. waves 1 to 3 feet. 
.sunday...northeast winds 10 to 15 knots increasing to 20 to
25 knots. waves 1 to 3 feet building to 4 to 6 feet. waves
occasionally around 8 feet. 
.monday...northeast winds 15 to 20 knots. waves 4 to 6 feet.
waves occasionally around 8 feet. 
.tuesday...northeast winds 15 to 20 knots becoming east 20 to
25 knots by midnight. waves 3 to 5 feet. 


$$