NOAA Nearshore Marine Forecast

Updated Fri, Aug 21 03:10 PM

Sheboygan to Port Washington WI

Through Early Evening

South wind 15 to 20 knots. Mostly cloudy with a 20 percent chance of showers and thunderstorms. Waves 1 to 3 feet building to 2 to 4 feet late in the afternoon.

Tonight

South wind 10 to 15 knots becoming southwest 5 to 10 knots late in the evening, then becoming northwest 10 to 15 knots after midnight. Chance of showers and thunderstorms in the evening, then slight chance of showers and thunderstorms late in the evening. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late evening and overnight.

Saturday

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

Saturday Night

North wind 10 to 15 knots backing northwest early in the morning. Chance of showers and thunderstorms through around midnight. Waves 1 to 2 feet.

Sunday

Northwest wind 10 to 20 knots becoming 15 to 20 knots late in the morning, then becoming north 10 to 15 knots with gusts to around 20 knots early in the afternoon becoming north 10 to 15 knots late in the afternoon. Sunny. Waves 1 to 2 feet.

Port Washington to North Point Light WI

Through Early Evening

South wind 10 to 15 knots. Mostly cloudy with a 30 percent chance of showers and thunderstorms. Waves 1 to 2 feet.

Tonight

South wind 10 to 15 knots becoming southwest 5 to 10 knots late in the evening, then becoming west 10 to 15 knots after midnight veering northwest early in the morning. Chance of showers and thunderstorms in the evening, then slight chance of showers and thunderstorms late in the evening. Waves 1 to 2 feet.

Saturday

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

Saturday Night

North wind 10 to 15 knots backing northwest early in the morning. Chance of showers and thunderstorms through around midnight. Waves 1 to 2 feet.

Sunday

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

North Point Light to Wind Point WI

Through Early Evening

South wind 10 to 15 knots. Mostly cloudy with a 40 percent chance of showers and thunderstorms. Waves 1 to 2 feet.

Tonight

South wind 10 to 15 knots becoming southwest 5 to 10 knots late in the evening, then becoming west 10 to 15 knots after midnight veering northwest early in the morning. Chance of showers and thunderstorms in the evening, then slight chance of showers and thunderstorms late in the evening. Waves 1 to 2 feet.

Saturday

Northwest wind 10 to 15 knots with gusts to around 20 knots veering north late in the afternoon. Chance of showers and thunderstorms in the afternoon. Waves 1 to 2 feet.

Saturday Night

North wind 10 to 15 knots backing northwest early in the morning. Chance of showers and thunderstorms through around midnight. Waves 1 to 2 feet building to 2 to 4 feet after midnight.

Sunday

Northwest wind 10 to 15 knots veering north in the afternoon. Sunny. Waves 2 to 4 feet.

Wind Point WI to Winthrop Harbor IL

Through Early Evening

South wind 10 to 15 knots. Mostly cloudy with a 40 percent chance of showers and thunderstorms. Waves 1 to 2 feet.

Tonight

South wind 10 to 15 knots becoming southwest 5 to 10 knots late in the evening, then becoming west 10 to 15 knots after midnight veering northwest early in the morning. Chance of showers and thunderstorms through around midnight. Waves 1 to 2 feet.

Saturday

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

Saturday Night

North wind 10 to 15 knots. Chance of showers and thunderstorms through around midnight. Waves 1 to 2 feet building to 2 to 4 feet after midnight.

Sunday

Northwest wind 10 to 15 knots veering north late in the afternoon. Sunny. Waves 2 to 4 feet.

NDBC

45002

Date Waves
08/21/2026
03:50 pm
3.94 ft
08/21/2026
03:20 pm
3.94 ft
08/21/2026
03:10 pm
3.94 ft
08/21/2026
02:50 pm
3.61 ft
08/21/2026
02:40 pm
3.61 ft
08/21/2026
02:20 pm
3.94 ft
08/21/2026
02:10 pm
3.94 ft
08/21/2026
01:50 pm
3.94 ft
08/21/2026
01:20 pm
3.94 ft
08/21/2026
01:10 pm
3.94 ft
08/21/2026
12:50 pm
3.61 ft

45210

Date Waves
08/21/2026
03:56 pm
2.30 ft
08/21/2026
03:26 pm
2.30 ft
08/21/2026
02:56 pm
2.30 ft
08/21/2026
02:26 pm
2.30 ft
08/21/2026
01:26 pm
1.97 ft
08/21/2026
12:56 pm
2.30 ft
08/21/2026
12:26 pm
2.62 ft
08/21/2026
11:56 am
2.30 ft
08/21/2026
11:26 am
2.30 ft
08/21/2026
10:56 am
2.30 ft
08/21/2026
10:26 am
1.64 ft

45214

Date Waves
08/21/2026
02:50 pm
1.64 ft
08/21/2026
01:50 pm
1.31 ft
08/21/2026
12:50 pm
1.31 ft
08/21/2026
11:50 am
1.31 ft
08/21/2026
10:50 am
1.64 ft
08/21/2026
09:50 am
1.31 ft
08/21/2026
08:50 am
0.98 ft
08/21/2026
07:50 am
0.66 ft
08/21/2026
06:50 am
0.66 ft
08/21/2026
05:50 am
0.66 ft
08/21/2026
04:50 am
0.66 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

Two Rivers - Harbor

Algoma - Beach

Whitefish Bay - Glidden Lodge

Evanston - Beach

Port Washington - Harbor

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