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Lummi Island, WA Marine Weather Forecast

Tonight - 48°F
Apr 23, 2026
9 to 13 mph S
Partly Cloudy
Partly cloudy, with a low around 48. South wind 9 to 13 mph.
Thursday - 56°F
Apr 23, 2026
5 to 9 mph SW
Sunny
Sunny, with a high near 56. Southwest wind 5 to 9 mph.
Thursday Night - 44°F
Apr 23, 2026
5 mph WNW
Mostly Clear
Mostly clear, with a low around 44. West northwest wind around 5 mph.
Friday - 59°F
Apr 24, 2026
3 to 14 mph N
Sunny
Sunny, with a high near 59. North wind 3 to 14 mph.
Friday Night - 45°F
Apr 24, 2026
6 to 10 mph N
Mostly Clear
Mostly clear, with a low around 45. North wind 6 to 10 mph.
Saturday - 60°F
Apr 25, 2026
7 to 12 mph N
Sunny
Sunny, with a high near 60.
Saturday Night - 45°F
Apr 25, 2026
1 to 12 mph NE
Mostly Clear
Mostly clear, with a low around 45.
Sunday - 60°F
Apr 26, 2026
1 to 6 mph NW
Sunny
Sunny, with a high near 60.
Sunday Night - 47°F
Apr 26, 2026
1 to 7 mph SSW
Mostly Clear
Mostly clear, with a low around 47.
Monday - 60°F
Apr 27, 2026
5 to 8 mph S
Sunny
Sunny, with a high near 60.
Monday Night - 48°F
Apr 27, 2026
5 mph S
Mostly Clear
Mostly clear, with a low around 48.
Tuesday - 60°F
Apr 28, 2026
5 mph SSW
Sunny
Sunny, with a high near 60.
Tuesday Night - 48°F
Apr 28, 2026
3 mph S
Mostly Clear
Mostly clear, with a low around 48.
Wednesday - 61°F
Apr 29, 2026
1 to 6 mph SSW
Sunny
Sunny, with a high near 61.

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