fzus61 kbuf 182002
glflo 
expires:202507190300;;671780

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt fri jul 18 2025

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 30.2 inch high will drift east into new england 
tonight, then off the new england coast saturday. a 29.7 inch low is 
then forecast to move from the western great lakes late saturday to 
new england by late sunday, with its trailing cold front crossing 
the lake sunday morning. a 30.1 inch high is then forecast to build 
from near james bay monday to new england tuesday, before moving 
offshore on wednesday.


loz062-190300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt fri jul 18 2025

.tonight...southeast winds 10 knots or less becoming south. waves
1 foot or less. 
.saturday...southeast winds 10 knots or less becoming east. waves
1 foot or less. 
.saturday night...southeast winds 5 to 10 knots becoming west.
showers likely in the evening, then showers likely with a chance
of thunderstorms overnight. waves 2 feet or less. 
.sunday...northwest winds 5 to 10 knots. showers likely with a
chance of thunderstorms in the morning. waves 1 to 2 feet. 
.sunday night...northwest winds 15 to 20 knots becoming north.
waves 1 to 3 feet. 
.monday...north winds 5 to 15 knots becoming east. waves 1 to
3 feet subsiding to 1 foot or less. 
.tuesday...east winds 5 to 10 knots becoming southeast. waves
around 1 foot. 
.wednesday...south winds 5 to 10 knots becoming southwest. a
chance of showers and thunderstorms wednesday night. waves 2 feet
or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 182002
glflo 
expires:202507190300;;671781

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt fri jul 18 2025

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 30.2 inch high will drift east into new england 
tonight, then off the new england coast saturday. a 29.7 inch low is 
then forecast to move from the western great lakes late saturday to 
new england by late sunday, with its trailing cold front crossing 
the lake sunday morning. a 30.1 inch high is then forecast to build 
from near james bay monday to new england tuesday, before moving 
offshore on wednesday.


loz063>065-190300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt fri jul 18 2025

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

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 181942
glfle 
expires:202507190215;;670727

open lake forecast for lake erie
national weather service cleveland oh
342 pm edt fri jul 18 2025

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...
the lake remains between high pressure 30.10 inches to the
northeast and a stationary front over the ohio valley. this front
will advance north tonight as a warm front and cross the lake for
saturday. a cold front will cross the lake saturday night into
sunday. high pressure 30.10 inches will build from the north for
monday into tuesday. a warm front will cross the lake on
wednesday.


lez162>164-190215-
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-
342 pm edt fri jul 18 2025

.tonight...east winds 10 knots or less becoming south. waves
1 foot or less. 
.saturday...south winds 10 knots or less. a chance of showers and
thunderstorms late. waves 1 foot or less. 
.saturday night...southwest winds 5 to 15 knots becoming west.
showers likely with a chance of thunderstorms in the evening,
then a chance of showers and thunderstorms overnight. waves
2 feet or less. 
.sunday...northwest winds 5 to 15 knots becoming north. waves
2 feet or less. 
.sunday night...north winds 5 to 10 knots becoming northeast.
waves 2 feet or less. 
.monday...northeast winds 5 to 10 knots becoming east. waves
2 feet or less. 
.tuesday...southeast winds 5 to 10 knots becoming south. waves
1 foot or less. 
.wednesday...south winds 5 to 15 knots becoming southwest. waves
2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 181942
glfle 
expires:202507190215;;670728

open lake forecast for lake erie
national weather service cleveland oh
342 pm edt fri jul 18 2025

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...
the lake remains between high pressure 30.10 inches to the
northeast and a stationary front over the ohio valley. this front
will advance north tonight as a warm front and cross the lake for
saturday. a cold front will cross the lake saturday night into
sunday. high pressure 30.10 inches will build from the north for
monday into tuesday. a warm front will cross the lake on
wednesday.


lez165>167-190215-
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-
342 pm edt fri jul 18 2025

.tonight...northeast winds 10 knots or less becoming south. waves
1 foot or less. 
.saturday...south winds less than 10 knots becoming southwest.
waves 1 foot or less. 
.saturday night...south winds 5 to 15 knots becoming west. a
chance of showers and thunderstorms. waves 2 feet or less
building to 2 to 3 feet. 
.sunday...northwest winds 10 to 15 knots becoming north. a chance
of showers in the morning. waves 1 to 3 feet. 
.sunday night...north winds 10 to 15 knots becoming northeast.
waves 1 to 3 feet. 
.monday...northeast winds 5 to 15 knots becoming east. waves
2 feet or less. 
.tuesday...southeast winds 5 to 10 knots becoming south. waves
2 feet or less. 
.wednesday...south winds 5 to 15 knots becoming southwest. a
chance of showers and thunderstorms wednesday night. waves 1 to
3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 181942
glfle 
expires:202507190215;;670729

open lake forecast for lake erie
national weather service cleveland oh
342 pm edt fri jul 18 2025

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...
the lake remains between high pressure 30.10 inches to the
northeast and a stationary front over the ohio valley. this front
will advance north tonight as a warm front and cross the lake for
saturday. a cold front will cross the lake saturday night into
sunday. high pressure 30.10 inches will build from the north for
monday into tuesday. a warm front will cross the lake on
wednesday.


lez061-168-169-190215-
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-
342 pm edt fri jul 18 2025

.tonight...northeast winds 10 knots or less becoming south. waves
1 foot or less. 
.saturday...south winds less than 10 knots becoming west. waves
1 foot or less. 
.saturday night...south winds 10 knots or less becoming west. a
chance of showers and thunderstorms. waves 2 feet or less. 
.sunday...northwest winds 5 to 10 knots. a chance of showers and
thunderstorms in the morning. waves 1 to 2 feet. 
.sunday night...northwest winds 10 to 15 knots becoming north.
waves 1 to 2 feet. 
.monday...northeast winds 5 to 10 knots becoming east. waves
2 feet or less. 
.tuesday...southeast winds 5 to 10 knots becoming south. waves
1 foot or less. 
.wednesday...south winds 5 to 15 knots becoming southwest. a
chance of showers and thunderstorms wednesday night. waves 2 feet
or less. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 181938
glfsc 
expires:202507190400;;670674

lake st clair forecast
national weather service detroit/pontiac mi
338 pm edt fri jul 18 2025

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, tracks overhead today.
the next weak low pressure moves into the area on saturday
bringing humid and unsettled conditions. the cold front moves
through the area saturday night with high pressure building back
in late sunday into monday.


lcz460-190400-
lake st clair-
338 pm edt fri jul 18 2025

.tonight...southeast winds 5 to 10 knots. mostly clear. waves 2 feet
or less.
.saturday...south winds 5 to 10 knots increasing to 10 to 15 knots
in the afternoon. partly sunny. light showers likely late in the
afternoon. waves 2 feet or less.
.saturday night...southwest winds 10 to 15 knots becoming west 5 to
10 knots in the late evening and early morning...then becoming
northwest 10 to 15 knots after midnight. mostly cloudy early in the
evening becoming partly cloudy. light showers likely and a chance of
thunderstorms until early morning. waves 2 feet or less.
.sunday...north winds 10 to 15 knots diminishing to 5 to 10 knots in
the late morning and afternoon. partly sunny. waves 2 feet or less.
.sunday night...northeast winds 10 to 15 knots diminishing to 5 to
10 knots in the late evening and overnight. clear. waves 2 feet or
less.
.monday...northeast winds 5 to 10 knots increasing to 10 to 15 knots
in the evening. sunny in the morning becoming mostly clear. waves 2
feet or less.
.tuesday...southeast winds 5 to 10 knots. mostly clear. waves 2 feet
or less.
.wednesday...southwest winds 10 to 15 knots. partly cloudy. a chance
of showers and thunderstorms. waves 2 feet or less.

$$

fzus63 kdtx 181937
glflh 
expires:202507190400;;670665

open lake forecast for lake huron
national weather service detroit/pontiac mi
337 pm edt fri jul 18 2025

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...high pressure, 30.20 inches, tracks overhead today.
the next weak low pressure moves into the area on saturday
bringing humid and unsettled conditions. the cold front moves
through the area saturday night with high pressure building back
in late sunday into monday.


lhz462>464-190400-
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-
337 pm edt fri jul 18 2025

.tonight...northeast winds 5 to 10 knots veering to the southeast
after midnight. waves 2 feet or less. 
.saturday...south 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 late in the afternoon. showers likely
and a chance of thunderstorms in the afternoon. waves 1 to
3 feet. 
.saturday night...south winds 5 to 10 knots becoming 10 to
15 knots after midnight. showers likely and a chance of
thunderstorms in the evening. waves 1 to 3 feet. 
.sunday...north winds 10 to 15 knots. waves 1 to 3 feet. 
.sunday night...north winds 5 to 10 knots. waves 1 to 3 feet. 
.monday...northeast winds 5 to 10 knots. waves 2 feet or less. 
.tuesday...southeast winds 5 to 10 knots. waves 2 feet or less. 
.wednesday...south winds 10 to 15 knots decreasing to 5 to
10 knots. a chance of showers and thunderstorms...then a chance
of showers in the late evening and early morning. waves 1 to
3 feet. 


$$

fzus63 kdtx 181937
glflh 
expires:202507190400;;670664

open lake forecast for lake huron
national weather service detroit/pontiac mi
337 pm edt fri jul 18 2025

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...high pressure, 30.20 inches, tracks overhead today.
the next weak low pressure moves into the area on saturday
bringing humid and unsettled conditions. the cold front moves
through the area saturday night with high pressure building back
in late sunday into monday.


lhz362-363-190400-
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-
337 pm edt fri jul 18 2025

.tonight...southeast winds 5 to 10 knots becoming south 10 to
15 knots after midnight. waves 1 to 3 feet. 
.saturday...south winds 10 to 15 knots decreasing to 5 to
10 knots in the afternoon. showers likely and a chance of
thunderstorms in the afternoon. waves 1 to 3 feet. 
.saturday night...north winds 5 to 10 knots increasing to 10 to
15 knots after midnight. a chance of showers and thunderstorms in
the evening. waves 1 to 3 feet. 
.sunday...north winds 10 to 15 knots decreasing to 5 to 10 knots
early in the afternoon. waves 1 to 3 feet. 
.sunday night...north winds 5 to 10 knots. waves 2 feet or less. 
.monday...northeast winds 5 to 10 knots veering to the east late
in the evening. waves 2 feet or less. 
.tuesday...southeast winds 5 to 10 knots increasing to 10 to
15 knots in the late evening and early morning. a chance of
showers in the late evening and early morning. waves 1 to 3 feet.
.wednesday...south winds 10 to 15 knots decreasing to 5 to
10 knots until early morning. a chance of showers. waves 1 to
3 feet. 


$$

fzus63 kdtx 181937
glflh 
expires:202507190400;;670663

open lake forecast for lake huron
national weather service detroit/pontiac mi
337 pm edt fri jul 18 2025

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...high pressure, 30.20 inches, tracks overhead today.
the next weak low pressure moves into the area on saturday
bringing humid and unsettled conditions. the cold front moves
through the area saturday night with high pressure building back
in late sunday into monday.


lhz361-190400-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
337 pm edt fri jul 18 2025

.tonight...southeast winds 5 to 10 knots veering to the south
early in the morning. waves 1 to 3 feet. 
.saturday...south winds 5 to 10 knots in the morning becoming
light and variable...then becoming northeast 5 to 10 knots late
in the afternoon. a chance of showers in the afternoon. waves
2 feet or less. 
.saturday night...northeast winds 5 to 10 knots backing to the
northwest in the late evening and overnight. waves 2 feet or
less. 
.sunday...northwest winds 5 to 10 knots. waves 2 feet or less. 
.sunday night...northwest winds 5 to 10 knots. waves 2 feet or
less. 
.monday...east winds 5 to 10 knots veering to the southeast late
in the afternoon. waves 2 feet or less. 
.tuesday...southeast winds 5 to 10 knots becoming east 10 to
15 knots early in the evening...then becoming southeast 5 to
10 knots in the late evening and early morning. a chance of
showers in the late evening and early morning. waves 2 feet or
less. 
.wednesday...south winds 5 to 10 knots. a chance of showers. a
chance of thunderstorms early in the evening. waves 2 feet or
less. 


$$