NOAA Nearshore Marine Forecast

Updated Mon, Jul 20 03:10 AM

Sheboygan to Port Washington WI

Early This Morning

Southwest wind 5 to 10 knots rising to 10 to 15 knots early in the morning. Mostly clear. Patchy smoke. Waves around 1 foot.

Today

Southwest wind 10 to 15 knots backing south 10 to 20 knots late in the morning, then becoming 15 to 20 knots with gusts to around 25 knots early in the afternoon becoming 15 to 25 knots late in the afternoon. Patchy smoke through the day. Waves 1 to 2 feet building to 4 to 6 feet.

Tonight

South wind 15 to 25 knots veering southwest 15 to 20 knots late in the evening, then veering west after midnight becoming west 15 to 20 knots early in the morning. Chance of showers and thunderstorms through around midnight. Waves 4 to 6 feet subsiding to 1 to 2 feet.

Tuesday

West wind 15 to 20 knots veering northwest late in the morning, then becoming northwest 15 to 20 knots early in the afternoon becoming 10 to 20 knots late in the afternoon. Gusts up to 25 knots. Patchy smoke in the morning. chance of showers and slight chance of thunderstorms in the afternoon. Waves 1 to 2 feet building to 3 to 4 feet in the afternoon.

Tuesday Night

North wind up to 30 knots easing to 15 to 25 knots after midnight, then becoming north 15 to 25 knots early in the morning. Chance of showers and slight chance of thunderstorms through around midnight. Waves 4 to 6 feet building to 5 to 7 feet in the late evening and early morning, then subsiding to 3 to 5 feet early in the morning.

Port Washington to North Point Light WI

Early This Morning

Southwest wind 5 to 10 knots. Mostly clear. Patchy smoke. Waves around 1 foot.

Today

Southwest wind 10 to 15 knots backing south late in the morning, then rising to 15 to 20 knots early in the afternoon becoming south 15 to 20 knots with gusts to around 25 knots late in the afternoon. Patchy smoke. Waves around 1 foot building to 3 to 4 feet in the afternoon.

Tonight

Southwest wind 15 to 20 knots veering west early in the morning. Gusts up to 25 knots. Chance of showers and thunderstorms through around midnight. Waves 3 to 4 feet subsiding to 1 to 2 feet early in the morning.

Tuesday

West wind 15 to 20 knots veering northwest late in the morning, then becoming northwest 15 to 20 knots early in the afternoon becoming 10 to 20 knots late in the afternoon. Gusts up to 25 knots. Patchy smoke in the morning. slight chance of showers and thunderstorms in the afternoon. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon.

Tuesday Night

North wind up to 30 knots easing to 15 to 25 knots after midnight, then becoming north 15 to 25 knots early in the morning. Slight chance of thunderstorms through around midnight. Slight chance of showers through the night. Waves 4 to 6 feet building to 6 to 8 feet late in the evening, then subsiding to 5 to 7 feet after midnight.

North Point Light to Wind Point WI

Early This Morning

South wind 5 to 10 knots veering southwest early in the morning. Partly cloudy. Patchy smoke. Waves around 1 foot.

Today

Southwest wind 10 to 15 knots backing south late in the morning, then rising to 15 to 20 knots early in the afternoon becoming south 15 to 20 knots with gusts to around 25 knots late in the afternoon. Patchy smoke. Waves around 1 foot building to 2 to 4 feet late in the afternoon.

Tonight

Southwest wind 15 to 20 knots veering west early in the morning. Gusts up to 25 knots. Patchy smoke through around midnight. showers likely and a chance of thunderstorms through around midnight. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight.

Tuesday

West wind 15 to 20 knots veering northwest late in the afternoon. Gusts up to 25 knots. Patchy smoke in the morning. slight chance of showers and thunderstorms in the afternoon. Waves 1 to 2 feet building to 3 to 4 feet in the afternoon.

Tuesday Night

North wind up to 30 knots easing to 15 to 25 knots after midnight, then becoming north 15 to 25 knots early in the morning. Chance of showers through the night. Waves 5 to 7 feet building to 7 to 9 feet in the late evening and early morning, then subsiding to 6 to 8 feet early in the morning.

Wind Point WI to Winthrop Harbor IL

Early This Morning

South wind 5 to 10 knots veering southwest early in the morning. Partly cloudy. Patchy smoke. Waves around 1 foot.

Today

Southwest wind 5 to 10 knots becoming south 10 to 15 knots late in the morning, then becoming 10 to 20 knots early in the afternoon becoming 15 to 20 knots late in the afternoon. Patchy smoke. Waves around 1 foot building to 2 to 4 feet late in the afternoon.

Tonight

Southwest wind 15 to 20 knots veering west early in the morning. Gusts up to 25 knots. Patchy smoke through around midnight. chance of showers through around midnight. Chance of thunderstorms through the night. Slight chance of showers after midnight. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight.

Tuesday

West wind 15 to 20 knots veering northwest late in the afternoon. Gusts up to 25 knots. Slight chance of showers and thunderstorms in the afternoon. Waves 1 to 2 feet building to 2 to 4 feet late in the afternoon.

Tuesday Night

North wind 15 to 25 knots rising to up to 30 knots late in the evening, then easing to 15 to 25 knots after midnight becoming north 15 to 25 knots early in the morning. Slight chance of thunderstorms through around midnight. Chance of showers through the night. Waves 4 to 6 feet building to 6 to 8 feet late in the evening, then building to 7 to 9 feet after midnight subsiding to 6 to 8 feet early in the morning.

NDBC

45002

Date Waves
07/20/2026
03:50 am
2.30 ft
07/20/2026
03:20 am
2.30 ft
07/20/2026
03:10 am
2.30 ft
07/20/2026
02:50 am
2.30 ft
07/20/2026
02:40 am
2.30 ft
07/20/2026
02:20 am
2.30 ft
07/20/2026
01:50 am
2.30 ft
07/20/2026
01:20 am
1.97 ft
07/20/2026
12:50 am
2.30 ft
07/20/2026
12:20 am
1.97 ft
07/19/2026
11:50 pm
1.97 ft

45210

Date Waves
07/20/2026
03:56 am
1.31 ft
07/20/2026
03:26 am
0.98 ft
07/20/2026
02:56 am
0.98 ft
07/20/2026
02:26 am
0.98 ft
07/20/2026
01:56 am
0.98 ft
07/20/2026
01:26 am
0.98 ft
07/20/2026
12:56 am
0.98 ft
07/20/2026
12:26 am
0.98 ft
07/19/2026
11:56 pm
0.98 ft
07/19/2026
11:26 pm
0.98 ft
07/19/2026
10:56 pm
0.98 ft

45214

Date Waves
07/20/2026
03:30 am
0.66 ft
07/20/2026
03:00 am
0.66 ft
07/20/2026
02:30 am
0.98 ft
07/20/2026
02:00 am
0.98 ft
07/20/2026
01:30 am
0.98 ft
07/20/2026
01:00 am
0.98 ft
07/20/2026
12:30 am
0.98 ft
07/20/2026
12:00 am
0.98 ft
07/19/2026
11:30 pm
0.98 ft
07/19/2026
11:00 pm
0.98 ft
07/19/2026
10:30 pm
0.98 ft
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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