NOAA Nearshore Marine Forecast

Updated Sun, Aug 17 09:05 AM

Sheboygan to Port Washington WI

Rest of Today

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

Tonight

Northeast wind 15 to 20 knots veering southeast after midnight, then becoming 15 to 25 knots early in the morning. Chance of showers after midnight. Waves 5 to 7 feet.

Monday

Southeast wind 15 to 20 knots easing to 10 to 15 knots late in the afternoon. Chance of showers through the day. Chance of thunderstorms in the afternoon. Waves 5 to 7 feet subsiding to 3 to 4 feet.

Monday Night

South wind 10 to 15 knots. Thunderstorms likely and a chance of showers through around midnight, then showers likely and a chance of thunderstorms after midnight. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight, then building to 2 to 4 feet early in the morning.

Port Washington to North Point Light WI

Rest of Today

Northeast wind 15 to 20 knots backing north late in the afternoon. Partly sunny. Waves 3 to 4 feet building to 4 to 6 feet in the afternoon.

Tonight

Northeast wind 15 to 20 knots veering southeast early in the morning. Chance of showers after midnight. Waves 4 to 6 feet building to 6 to 8 feet early in the morning.

Monday

Southeast wind 15 to 20 knots easing to 10 to 15 knots late in the afternoon. Chance of showers through the day. Chance of thunderstorms in the afternoon. Waves 6 to 8 feet subsiding to 3 to 4 feet.

Monday Night

South wind 10 to 15 knots veering southwest early in the morning. Thunderstorms likely through around midnight. Showers likely through the night. Chance of thunderstorms after midnight. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late evening and overnight.

North Point Light to Wind Point WI

Rest of Today

North wind 15 to 20 knots. Partly sunny. Waves 4 to 6 feet.

Tonight

Northeast wind 15 to 20 knots easing to 10 to 15 knots late in the evening, then becoming southeast 15 to 20 knots after midnight. Chance of showers after midnight. Waves 4 to 6 feet.

Monday

Southeast wind 15 to 20 knots easing to 10 to 15 knots in the afternoon. Chance of showers through the day. Chance of thunderstorms in the afternoon. Waves 5 to 7 feet subsiding to 3 to 4 feet.

Monday Night

Southeast wind 10 to 15 knots veering southwest early in the morning. Chance of showers through around midnight. Chance of thunderstorms through the night. Showers likely after midnight. Waves 1 to 2 feet.

Wind Point WI to Winthrop Harbor IL

Rest of Today

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

Tonight

Northeast wind 15 to 20 knots easing to 10 to 15 knots late in the evening, then becoming east 15 to 20 knots after midnight veering southeast early in the morning. Chance of showers after midnight. Waves 3 to 5 feet building to 5 to 7 feet.

Monday

Southeast wind 15 to 20 knots easing to 10 to 15 knots in the late morning and afternoon. Chance of showers through the day. Chance of thunderstorms in the afternoon. Waves 4 to 6 feet subsiding to 3 to 5 feet in the late morning and afternoon.

Monday Night

Southeast wind 10 to 15 knots veering southwest early in the morning. Chance of showers and thunderstorms through around midnight, then showers and thunderstorms likely after midnight. Waves 1 to 2 feet.

NDBC

45002

Date Waves
08/17/2025
09:20 am
3.61 ft
08/17/2025
09:10 am
3.61 ft
08/17/2025
08:50 am
3.28 ft
08/17/2025
08:20 am
2.95 ft
08/17/2025
07:50 am
2.95 ft
08/17/2025
07:20 am
2.95 ft
08/17/2025
07:10 am
2.95 ft
08/17/2025
06:50 am
2.95 ft
08/17/2025
06:20 am
2.62 ft
08/17/2025
06:10 am
2.62 ft
08/17/2025
05:50 am
2.62 ft

45210

Date Waves
08/17/2025
09:26 am
3.28 ft
08/17/2025
08:56 am
3.28 ft
08/17/2025
08:26 am
3.28 ft
08/17/2025
07:56 am
3.28 ft
08/17/2025
07:26 am
3.28 ft
08/17/2025
06:56 am
3.28 ft
08/17/2025
06:26 am
3.28 ft
08/17/2025
05:56 am
2.95 ft
08/17/2025
05:26 am
3.28 ft
08/17/2025
04:56 am
2.95 ft
08/17/2025
04:26 am
2.95 ft

45218

Date Waves
08/17/2025
09:20 am
2.30 ft
08/17/2025
09:00 am
2.62 ft
08/17/2025
08:40 am
2.30 ft
08/17/2025
08:20 am
2.30 ft
08/17/2025
08:00 am
2.30 ft
08/17/2025
07:40 am
1.97 ft
08/17/2025
07:20 am
1.64 ft
08/17/2025
07:00 am
1.64 ft
08/17/2025
06:40 am
1.64 ft
08/17/2025
06:20 am
1.64 ft
08/17/2025
06:00 am
1.64 ft

45007

Date Waves
08/17/2025
09:20 am
1.97 ft
08/17/2025
09:10 am
1.97 ft
08/17/2025
08:50 am
1.97 ft
08/17/2025
08:20 am
1.64 ft
08/17/2025
08:10 am
1.64 ft
08/17/2025
07:50 am
1.31 ft
08/17/2025
07:20 am
1.31 ft
08/17/2025
07:10 am
1.31 ft
08/17/2025
06:50 am
1.31 ft
08/17/2025
06:20 am
1.31 ft
08/17/2025
06:10 am
1.31 ft
Animation Speed
1 2 3 4 5

Waves

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Zoom Level
1 2 3 4 5

Sheboygan - Blue Harbor

Sheboygan - North Pier

Port Washington - Harbor

Milwaukee - Lakefront

Two Rivers - Harbor

Whitefish Bay - Glidden Lodge

Evanston - Beach

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