NOAA Nearshore Marine Forecast

Updated Mon, Aug 18 01:05 PM

Sheboygan to Port Washington WI

Rest of Today

Southeast wind 15 to 20 knots. Showers early in the afternoon. Chance of thunderstorms through the day. Showers likely late in the afternoon. 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. Slight 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. slight chance of showers in the morning, then chance of showers and slight chance of thunderstorms in the afternoon. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late morning and afternoon.

Tuesday Night

North wind 10 to 15 knots. Partly cloudy. Waves 1 to 2 feet building to 2 to 4 feet after midnight.

Port Washington to North Point Light WI

Rest of Today

Southeast wind 15 to 20 knots. Showers early in the afternoon. Chance of thunderstorms through the day. Showers likely late in the afternoon. 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 through around midnight, then chance of showers and thunderstorms after midnight. 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. Slight chance of showers in the morning. Slight chance of thunderstorms through the day. Chance of showers in the afternoon. Waves 1 to 2 feet.

Tuesday Night

North wind 10 to 15 knots. Partly cloudy. Waves 1 to 2 feet building to 3 to 4 feet after midnight.

North Point Light to Wind Point WI

Rest of Today

Southeast wind 15 to 20 knots easing to 10 to 15 knots late in the afternoon. Showers likely and a chance of thunderstorms. Waves 3 to 4 feet.

Tonight

Southeast wind 10 to 15 knots veering southwest early in the morning. Showers and thunderstorms likely through around midnight, then chance of showers and thunderstorms after midnight. 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. Slight chance of thunderstorms through the day. Chance of showers in the afternoon. 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 after midnight.

Wind Point WI to Winthrop Harbor IL

Rest of Today

Southeast wind 10 to 15 knots. Gusts up to 20 knots. Showers likely and a chance of thunderstorms. Waves 3 to 4 feet.

Tonight

Southeast wind 10 to 15 knots veering southwest early in the morning. Showers likely through around midnight. Chance of thunderstorms through the night. Chance of showers after midnight. 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 in the morning, then chance of showers and thunderstorms in the afternoon. 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 after midnight.

NDBC

45002

Date Waves
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
08/18/2025
12:10 pm
2.95 ft
08/18/2025
11:50 am
2.95 ft
08/18/2025
11:40 am
2.95 ft
08/18/2025
11:20 am
2.95 ft
08/18/2025
11:10 am
2.95 ft
08/18/2025
10:50 am
3.28 ft

45210

Date Waves
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
08/18/2025
10:26 am
4.59 ft
08/18/2025
09:56 am
4.92 ft
08/18/2025
09:26 am
5.25 ft
08/18/2025
08:56 am
5.25 ft

45218

Date Waves
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
08/18/2025
12:00 pm
4.92 ft
08/18/2025
11:40 am
5.25 ft
08/18/2025
11:20 am
5.58 ft
08/18/2025
11:00 am
5.58 ft
08/18/2025
10:40 am
5.58 ft
08/18/2025
10:20 am
5.91 ft

45007

Date Waves
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
08/18/2025
11:50 am
2.95 ft
08/18/2025
11:40 am
2.95 ft
08/18/2025
11:20 am
2.95 ft
08/18/2025
11:10 am
2.95 ft
08/18/2025
10:50 am
2.95 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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