Duluth MN to Port Wing WI Marine Forecast

Hourly forecast at zone center

Hourly wind and waves

Gusts peak near 25kts around 12:00 AM, with waves reaching 2.2ft around 1:00 AM.

Sunday, October 11

7:06 AM CDT

Wind Now

10ktsSW

Gusts:16kts

Wind Now: 10 kts; gusts 16 kts. Use left and right arrows to inspect hours; Escape to reset.

Hourly wind speed and gust forecastSustained wind is shown in cyan and gusts in blue-gray. Dashed lines show past conditions. Direction arrows show where the wind is traveling.01020304012AM6AM12PM6PM

Waves Now

1.1ftSSW

Period2s

Waves Now: 1.1 ft; period 2 seconds. Use left and right arrows to inspect hours; Escape to reset.

Hourly wave height and period forecastWave height is shown in blue. The dashed line shows past conditions. Direction arrows show where the waves are traveling.012312AM6AM12PM6PM

NOAA marine forecast

Text forecast

Updated 6:53am CDT Oct 11, 2026

Small Craft Advisory In Effect Until 7 Am Cdt This Morning

Gale Watch In Effect From Late Tonight Through Monday Evening

Today

Southwest wind 5 to 10 knots with gusts to around 25 knots becoming north late in the afternoon. Sunny until late afternoon then becoming partly sunny. Waves 1 to 2 feet.

Tonight

Northeast wind 5 knots rising to 20 to 25 knots with gales to around 35 knots. Cloudy. Waves 1 foot or less building to 4 to 6 feet after midnight. Waves occasionally to 8 feet. A gale warning may be needed.

Monday

Northeast wind 20 to 25 knots. Gusts up to 35 knots decreasing to 30 knots late in the afternoon. Slight chance of rain showers in the morning. Chance of rain showers in the afternoon. Waves 5 to 8 feet. Waves occasionally to 11 feet. A gale warning may be needed.

Monday Night

Northeast wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots early in the morning. Rain showers. Waves 4 to 7 feet. Waves occasionally to 9 feet. A small craft advisory may be needed.

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Interactive Mapbox map highlighting marine forecast zone LSZ145.