NOAA Nearshore Marine Forecast

Updated Mon, Aug 18 03:05 PM

Sheboygan to Port Washington WI

Through Early Evening

Southeast wind 15 to 20 knots. Showers likely and a chance of thunderstorms. Some thunderstorms may be severe with damaging winds and large hail. Waves 4 to 6 feet.

Tonight

Southeast wind 10 to 15 knots veering south after midnight, then becoming southwest 5 to 10 knots early in the morning. Showers likely through around midnight. Chance of thunderstorms through the night. Chance of showers after midnight. Waves 3 to 4 feet.

Tuesday

Northwest wind 10 to 15 knots veering north late in the afternoon. Patchy fog in the morning. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon.

Tuesday Night

North wind 10 to 15 knots. Partly cloudy. Waves 1 to 3 feet building to 2 to 4 feet in the late evening and overnight.

Wednesday

North wind 10 to 15 knots rising to 15 to 20 knots late in the morning, then becoming north 15 to 20 knots in the afternoon. Partly sunny. Waves 3 to 4 feet.

Port Washington to North Point Light WI

Through Early Evening

Southeast wind 15 to 20 knots. Showers likely and a chance of thunderstorms. Some thunderstorms may be severe with damaging winds and large hail. Waves 4 to 6 feet subsiding to 3 to 5 feet late in the afternoon.

Tonight

Southeast wind 10 to 15 knots veering south after midnight, then becoming southwest 5 to 10 knots early in the morning. Showers and thunderstorms likely in the evening, then chance of showers and thunderstorms in the late evening and overnight. Waves 3 to 4 feet subsiding to 1 to 3 feet after midnight.

Tuesday

Northwest wind 10 to 15 knots veering north late in the afternoon. Partly sunny. Waves 1 to 2 feet.

Tuesday Night

North wind 10 to 15 knots. Partly cloudy. Waves 1 to 2 feet building to 2 to 4 feet in the late evening and overnight.

Wednesday

North wind 15 to 20 knots. Partly sunny. Waves 3 to 4 feet building to 3 to 5 feet late in the afternoon.

North Point Light to Wind Point WI

Through Early Evening

Southeast wind 15 to 20 knots easing to 10 to 15 knots late in the afternoon. Showers and a chance of thunderstorms. Some thunderstorms may be severe with damaging winds and large hail. Waves 3 to 4 feet.

Tonight

Southeast wind 10 to 15 knots veering southwest early in the morning. Showers and thunderstorms likely in the evening, then chance of showers and thunderstorms in the late evening and overnight. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late evening and overnight.

Tuesday

West wind 10 to 15 knots veering north late in the afternoon. Slight chance of showers in the morning. Waves 1 to 2 feet.

Tuesday Night

North wind 10 to 15 knots rising to 15 to 20 knots early in the morning. Partly cloudy. Waves 1 to 3 feet building to 3 to 4 feet in the late evening and overnight.

Wednesday

North wind 15 to 20 knots becoming 10 to 20 knots late in the afternoon. Partly sunny. Waves 3 to 4 feet building to 4 to 6 feet in the late morning and afternoon.

Wind Point WI to Winthrop Harbor IL

Through Early Evening

Southeast wind 10 to 15 knots. Showers likely and a chance of thunderstorms. Some thunderstorms may be severe with damaging winds and large hail. Waves 3 to 4 feet.

Tonight

Southeast wind 10 to 15 knots veering southwest early in the morning. Chance of showers and thunderstorms. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late evening and overnight.

Tuesday

West wind 10 to 15 knots veering north late in the afternoon. Slight chance of showers and thunderstorms. Waves 1 to 2 feet.

Tuesday Night

North wind 10 to 15 knots rising to 15 to 20 knots early in the morning. Partly cloudy. Waves 1 to 2 feet building to 3 to 4 feet in the late evening and overnight.

Wednesday

North wind 15 to 20 knots. Gusts up to 25 knots. Partly sunny. Waves 3 to 4 feet building to 4 to 6 feet.

NDBC

45002

Date Waves
08/18/2025
03:50 pm
2.95 ft
08/18/2025
03:20 pm
2.62 ft
08/18/2025
03:10 pm
2.62 ft
08/18/2025
02:50 pm
2.62 ft
08/18/2025
02:20 pm
2.62 ft
08/18/2025
02:10 pm
2.62 ft
08/18/2025
01:50 pm
2.62 ft
08/18/2025
01:20 pm
2.62 ft
08/18/2025
01:10 pm
2.62 ft
08/18/2025
12:50 pm
2.95 ft
08/18/2025
12:20 pm
2.95 ft

45210

Date Waves
08/18/2025
03:56 pm
3.94 ft
08/18/2025
03:26 pm
4.27 ft
08/18/2025
02:56 pm
3.94 ft
08/18/2025
02:26 pm
3.94 ft
08/18/2025
01:56 pm
3.94 ft
08/18/2025
01:26 pm
4.27 ft
08/18/2025
12:56 pm
3.94 ft
08/18/2025
12:26 pm
4.27 ft
08/18/2025
11:56 am
4.27 ft
08/18/2025
11:26 am
4.27 ft
08/18/2025
10:56 am
4.59 ft

45218

Date Waves
08/18/2025
03:40 pm
4.27 ft
08/18/2025
03:20 pm
4.27 ft
08/18/2025
03:00 pm
3.94 ft
08/18/2025
02:40 pm
4.59 ft
08/18/2025
02:20 pm
4.59 ft
08/18/2025
02:00 pm
4.59 ft
08/18/2025
01:40 pm
4.59 ft
08/18/2025
01:20 pm
4.59 ft
08/18/2025
01:00 pm
4.92 ft
08/18/2025
12:40 pm
4.92 ft
08/18/2025
12:20 pm
5.25 ft

45007

Date Waves
08/18/2025
03:50 pm
3.61 ft
08/18/2025
03:20 pm
3.61 ft
08/18/2025
03:10 pm
3.61 ft
08/18/2025
02:50 pm
3.61 ft
08/18/2025
02:20 pm
3.28 ft
08/18/2025
02:10 pm
3.28 ft
08/18/2025
01:50 pm
3.28 ft
08/18/2025
01:20 pm
2.95 ft
08/18/2025
12:50 pm
2.95 ft
08/18/2025
12:20 pm
2.95 ft
08/18/2025
12:10 pm
2.95 ft
Animation Speed
1 2 3 4 5

Waves

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Zoom Level
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Sheboygan - Blue Harbor

Sheboygan - North Pier

Port Washington - Harbor

Milwaukee - Lakefront

Two Rivers - Harbor

Whitefish Bay - Glidden Lodge

Evanston - Beach

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