San Juan Islands Marine Weather
Marine Forecast
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TONIGHT SW wind 5 to 10 kt. Waves around 2 ft or less.
SUN S wind 10 to 15 kt, easing to 5 to 10 kt in the afternoon. Waves around 2 ft or less.
SUN NIGHT S wind around 5 kt, backing to NE after midnight. Waves around 2 ft or less.
MON N wind around 5 kt, backing to NW in the afternoon. Waves around 2 ft or less.
MON NIGHT W wind around 5 kt, backing to S after midnight. Waves around 2 ft or less.
TUE S wind 5 to 10 kt. Waves around 2 ft or less.
TUE NIGHT S wind 5 to 10 kt, becoming SE 20 to 25 kt with gusts up to 35 kt after midnight. Waves around 2 ft or less. A chance of rain.
WED SE wind 20 to 25 kt. Waves 3 to 4 ft. Rain likely.
WED NIGHT SE wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Waves 3 to 4 ft in the evening, then around 2 ft or less. Rain likely, mainly in the evening.
THU S wind 5 to 10 kt. Waves around 2 ft or less. A chance of rain.
THU NIGHT S wind around 5 kt. Waves around 2 ft or less. A chance of rain.
SUN S wind 10 to 15 kt, easing to 5 to 10 kt in the afternoon. Waves around 2 ft or less.
SUN NIGHT S wind around 5 kt, backing to NE after midnight. Waves around 2 ft or less.
MON N wind around 5 kt, backing to NW in the afternoon. Waves around 2 ft or less.
MON NIGHT W wind around 5 kt, backing to S after midnight. Waves around 2 ft or less.
TUE S wind 5 to 10 kt. Waves around 2 ft or less.
TUE NIGHT S wind 5 to 10 kt, becoming SE 20 to 25 kt with gusts up to 35 kt after midnight. Waves around 2 ft or less. A chance of rain.
WED SE wind 20 to 25 kt. Waves 3 to 4 ft. Rain likely.
WED NIGHT SE wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Waves 3 to 4 ft in the evening, then around 2 ft or less. Rain likely, mainly in the evening.
THU S wind 5 to 10 kt. Waves around 2 ft or less. A chance of rain.
THU NIGHT S wind around 5 kt. Waves around 2 ft or less. A chance of rain.
San Juan Islands Nautical Charts
NOAA nautical charts for San Juan Islands in the Wind and Tides app
Weather
View allToday
68°F
Mostly Sunny
6 to 9 mph SW
Tonight
50°F
Partly Cloudy
5 to 9 mph SW
Sunday
65°F
Mostly Cloudy
6 to 10 mph S
Sunday Night
50°F
Mostly Cloudy then Patchy Fog
0 to 6 mph W
Tides and Currents
View all| Time | Event | Height/Speed |
|---|---|---|
| Sat, Aug 29 2:35 AM | flood | 0.9 kts |
| Sat, Aug 29 5:35 AM | slack | slack |
| Sat, Aug 29 5:38 AM | high | 6.1 ft |
| Sat, Aug 29 8:50 AM | ebb | 1.3 kts |
| Sat, Aug 29 11:55 AM | slack | slack |
| Sat, Aug 29 12:03 PM | low | 0.8 ft |
| Sat, Aug 29 2:19 PM | flood | 1.0 kts |
| Sat, Aug 29 5:46 PM | slack | slack |
| Sat, Aug 29 7:12 PM | high | 7.2 ft |
| Sat, Aug 29 9:34 PM | ebb | 1.3 kts |