San Juan Islands Marine Weather
Marine Forecast
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TODAY SE wind 5 to 10 kt, becoming S 10 to 15 kt late this morning, backing to SE early this afternoon, easing to 5 to 10 kt late. Waves around 2 ft or less.
TONIGHT SE wind 10 to 15 kt. Waves around 2 ft or less, then 3 to 4 ft after midnight. A chance of rain after midnight.
FRI SE wind 10 to 15 kt, rising to 15 to 20 kt in the afternoon. Waves 3 to 4 ft. A chance of rain.
FRI NIGHT SE wind 15 to 20 kt. Waves 3 to 4 ft. A chance of rain.
SAT SE wind 15 to 20 kt, rising to 20 to 25 kt in the afternoon. Waves 3 to 4 ft in the morning, then around 2 ft or less. A chance of rain.
SAT NIGHT SE wind 25 to 30 kt with gusts up to 40 kt. Waves around 2 ft or less. Rain.
SUN SE wind 20 to 25 kt, becoming S 15 to 20 kt in the afternoon. Waves around 2 ft or less. Rain likely, mainly in the morning.
SUN NIGHT SE wind 15 to 20 kt. Waves around 2 ft or less. A chance of rain.
MON SE wind 10 to 15 kt. Waves around 2 ft or less. A chance of rain.
MON NIGHT SE wind 5 to 10 kt. Waves around 2 ft or less. A chance of rain in the evening.
TONIGHT SE wind 10 to 15 kt. Waves around 2 ft or less, then 3 to 4 ft after midnight. A chance of rain after midnight.
FRI SE wind 10 to 15 kt, rising to 15 to 20 kt in the afternoon. Waves 3 to 4 ft. A chance of rain.
FRI NIGHT SE wind 15 to 20 kt. Waves 3 to 4 ft. A chance of rain.
SAT SE wind 15 to 20 kt, rising to 20 to 25 kt in the afternoon. Waves 3 to 4 ft in the morning, then around 2 ft or less. A chance of rain.
SAT NIGHT SE wind 25 to 30 kt with gusts up to 40 kt. Waves around 2 ft or less. Rain.
SUN SE wind 20 to 25 kt, becoming S 15 to 20 kt in the afternoon. Waves around 2 ft or less. Rain likely, mainly in the morning.
SUN NIGHT SE wind 15 to 20 kt. Waves around 2 ft or less. A chance of rain.
MON SE wind 10 to 15 kt. Waves around 2 ft or less. A chance of rain.
MON NIGHT SE wind 5 to 10 kt. Waves around 2 ft or less. A chance of rain in the evening.
San Juan Islands Nautical Charts
NOAA nautical charts with your GPS position and a wind map for San Juan Islands in the Wind and Tides app
Weather
View allOvernight
49°F
Cloudy
0 mph
Thursday
61°F
Cloudy
1 to 10 mph SE
Thursday Night
50°F
Cloudy then Chance Light Rain
7 to 10 mph SE
Friday
59°F
Cloudy then Chance Light Rain
7 to 14 mph SE
Tides and Currents
View all| Time (PST) | Event | Height/Speed |
|---|---|---|
| Thu, Nov 12 2:10 AM | flood | 1.1 kts |
| Thu, Nov 12 6:15 AM | slack | slack |
| Thu, Nov 12 8:34 AM | high | 8.5 ft |
| Thu, Nov 12 9:54 AM | ebb | 0.8 kts |
| Thu, Nov 12 1:12 PM | slack | slack |
| Thu, Nov 12 2:58 PM | flood | 0.4 kts |
| Thu, Nov 12 5:29 PM | slack | slack |
| Thu, Nov 12 8:59 PM | ebb | 1.3 kts |
Marine weather for the San Juan Islands, Washington — San Juan Island, Friday Harbor, Roche Harbor, Orcas Island, Eastsound, Deer Harbor, Lopez Island, Shaw Island, Stuart Island, Sucia Island, Lummi Island, Rosario Strait, Haro Strait, and Boundary Pass. Wind, tides, and conditions for sailing, boating, kayaking, paddleboarding, fishing, whale watching, and scuba diving.