Coastal Waters Forecast for Outer Apostle Islands Beyond 5 NM from Mainland (LSZ150) (Text-Only)
NWS Forecast for: Outer Apostle Islands Beyond 5 NM from Mainland (LSZ150)
Issued by: National Weather Service Duluth, MN
Last Update: 253 AM CST Sat Mar 7 2026
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Today: Northwest wind 10 to 15 knots with gusts to around 20 knots becoming west 5 to 10 knots in the afternoon. Patchy fog in the morning. Chance of snow early in the morning. Slight chance of snow late in the morning. Waves 1 to 2 feet.

Tonight: Southwest wind 20 to 25 knots with gusts to around 30 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 2 to 4 feet building to 4 to 7 feet in the late evening and overnight. Waves occasionally to 9 feet. A small craft advisory may be needed.

Sunday: Southwest wind 20 to 25 knots with gusts to around 30 knots easing to 10 to 15 knots with gusts to around 20 knots late in the afternoon. Mostly sunny. Waves 4 to 6 feet subsiding to 2 to 4 feet late in the afternoon. Waves occasionally to 8 feet. A small craft advisory may be needed.

Sunday Night: Southwest wind 15 to 20 knots. Mostly cloudy in the evening then clearing. Waves 1 to 3 feet.

note...wave height forecasts are for ice free areas.







Zone Forecast: Outer Apostle Islands Beyond 5 NM from Mainland (LSZ150)

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