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Fire Island, AK Marine Weather Forecast

Tonight - 54°F
Aug 18, 2026
15 to 20 mph S
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 54. South wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.
Tuesday - 60°F
Aug 18, 2026
15 mph S
Chance Light Rain
A chance of rain before 1pm. Mostly cloudy, with a high near 60. South wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.
Tuesday Night - 52°F
Aug 18, 2026
5 to 15 mph S
Chance Light Rain
A chance of rain after 10pm. Mostly cloudy, with a low around 52. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Wednesday - 58°F
Aug 19, 2026
0 to 5 mph SE
Light Rain Likely
Rain likely. Cloudy, with a high near 58. Southeast wind 0 to 5 mph. Chance of precipitation is 70%.
Wednesday Night - 50°F
Aug 19, 2026
0 to 10 mph NE
Light Rain Likely
Rain likely. Cloudy, with a low around 50. Northeast wind 0 to 10 mph. Chance of precipitation is 70%.
Thursday - 60°F
Aug 20, 2026
5 to 10 mph N
Light Rain Likely
Rain likely. Cloudy, with a high near 60. North wind 5 to 10 mph. Chance of precipitation is 60%.
Thursday Night - 50°F
Aug 20, 2026
0 to 5 mph NE
Chance Light Rain
A chance of rain before 4am, then rain showers likely. Cloudy, with a low around 50.
Friday - 60°F
Aug 21, 2026
5 to 10 mph S
Rain Showers Likely
Rain showers likely. Cloudy, with a high near 60.
Friday Night - 49°F
Aug 21, 2026
5 to 10 mph S
Rain Showers
Rain showers. Cloudy, with a low around 49.
Saturday - 59°F
Aug 22, 2026
5 mph E
Rain Showers
Rain showers. Cloudy, with a high near 59.
Saturday Night - 48°F
Aug 22, 2026
0 to 5 mph NE
Rain Showers
Rain showers. Cloudy, with a low around 48.
Sunday - 65°F
Aug 23, 2026
0 to 5 mph E
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 65.
Sunday Night - 49°F
Aug 23, 2026
0 to 5 mph W
Chance Rain Showers then Mostly Cloudy
A chance of rain showers before 10pm. Mostly cloudy, with a low around 49.
Monday - 65°F
Aug 24, 2026
0 to 5 mph S
Mostly Sunny
Mostly sunny, with a high near 65.

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