Nearby Harbors
48.4850’ N, 123.0830’ W

Kanaka Bay, San Juan Island, WA

53°
H 75°
L 55°
N
1mph
Low tide
8:23 am
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Kanaka Bay, San Juan Island, WA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Mon
Aug 24 		Partly Cloudy
Close Hourly 		75º / 55º 15% N 9 mph 72%
7am Mostly Sunny 53º 3% N 1 mph 98%
8am Mostly Sunny 56º 15% N 2 mph 93%
9am Partly Cloudy 60º 15% N 4 mph 87%
10am Mostly Sunny 63º 2% N 6 mph 78%
11am Mostly Sunny 66º 2% N 7 mph 73%
12pm Mostly Sunny 68º 1% N 7 mph 67%
1pm Sunny 70º 1% N 8 mph 63%
2pm Sunny 71º 2% NNE 9 mph 60%
3pm Sunny 72º 2% NNE 9 mph 56%
4pm Sunny 73º 1% N 8 mph 54%
5pm Sunny 73º 1% N 7 mph 54%
6pm Sunny 71º 1% N 5 mph 57%
7pm Sunny 69º 2% N 3 mph 59%
8pm Sunny 64º 4% NNW 2 mph 70%
9pm Clear 62º 5% NNW 1 mph 76%
10pm Clear 59º 6% NNW 0 mph 82%
11pm Clear 58º 6% NNW 0 mph 86%
Tue
Aug 25 		Mostly Sunny
View Hourly 		74º / 54º 7% ESE 7 mph 67%
12am Clear 57º 6% NNW 0 mph 86%
1am Clear 57º 5% NNE 0 mph 84%
2am Clear 57º 5% NNE 0 mph 86%
3am Clear 57º 5% NNE 0 mph 86%
4am Clear 56º 6% NNE 0 mph 88%
5am Clear 56º 6% NNE 0 mph 88%
6am Clear 57º 7% N 0 mph 89%
7am Sunny 58º 7% NNE 1 mph 90%
8am Sunny 61º 6% NNE 2 mph 85%
9am Mostly Sunny 65º 5% NE 3 mph 76%
10am Sunny 67º 3% NE 3 mph 69%
11am Mostly Sunny 69º 2% ENE 4 mph 63%
12pm Mostly Sunny 71º 2% E 3 mph 61%
1pm Partly Cloudy 72º 2% SE 3 mph 58%
2pm Partly Cloudy 72º 2% SSE 3 mph 58%
3pm Partly Cloudy 72º 2% S 5 mph 58%
4pm Sunny 71º 2% SSW 6 mph 60%
5pm Sunny 69º 3% SSW 7 mph 64%
6pm Sunny 68º 2% SSW 7 mph 66%
7pm Sunny 66º 2% SSW 8 mph 69%
8pm Sunny 63º 3% SW 9 mph 73%
9pm Mostly Clear 61º 4% SW 8 mph 75%
10pm Clear 60º 4% SW 7 mph 77%
11pm Clear 58º 6% SW 7 mph 82%
Wed
Aug 26 		Partly Cloudy
View Hourly 		67º / 54º 8% S 9 mph 76%
12am Clear 57º 7% SW 8 mph 86%
1am Clear 56º 8% SSW 8 mph 89%
2am Clear 56º 8% SSW 8 mph 91%
3am Mostly Clear 55º 8% SSW 7 mph 91%
4am Partly Cloudy 55º 8% SSW 7 mph 93%
5am Partly Cloudy 55º 8% S 6 mph 93%
6am Partly Cloudy 55º 9% S 6 mph 93%
Thu
Aug 27 		AM Clouds/PM Sun 67º / 53º 24% S 7 mph 76%
Fri
Aug 28 		Partly Cloudy 65º / 52º 17% S 9 mph 75%
Sat
Aug 29 		Mostly Sunny 66º / 52º 24% SW 8 mph 72%
Sun
Aug 30 		Partly Cloudy 65º / 53º 15% SSE 8 mph 73%
Mon
Aug 31 		AM Showers 65º / 52º 37% SSE 7 mph 75%

Weather Radar for Kanaka Bay, San Juan Island, WA See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Kanaka Bay, San Juan Island, WA

Today
High : 68ºF
Variable winds less than 5 kt becoming NNW 5 to 8 kt in the afternoon. Mostly sunny. Waves 1 ft or less.
Tonight
Low : 54ºF
Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.
Tuesday
High : 72ºF
Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.
Tuesday Night
Low : 52ºF
SSW wind 7 to 9 kt. Partly cloudy. Waves 1 to 2 ft.
Wednesday
High : 65ºF
S wind around 8 kt. Mostly sunny. Waves 1 to 2 ft.
Wednesday Night
Low : 52ºF
SSW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly cloudy. Waves around 1 ft.
Thursday
High : 63ºF
Variable winds less than 5 kt becoming S 5 to 7 kt in the afternoon. A slight chance of showers before 11am. Waves around 1 ft.
Thursday Night
Low : 51ºF
SSW wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Waves around 1 ft.
Friday
High : 64ºF
Variable winds less than 5 kt becoming SSW 5 to 8 kt in the afternoon. Mostly sunny. Waves around 1 ft.

NOAA Buoy Data Near Kanaka Bay, San Juan Island, WA See Map

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    Featured Local Businesses

    Roche Harbor Marina

    Roche Harbor Resort and Marina

    Wind Speed Forecast for Kanaka Bay, San Juan Island, WA

    MondayTuesdayWednesday
    Wind Speed (MPH) 179300145877
    2pm6pm10pm2am6am10am2pm6pm10pm2am6am10am
    MPH 179300145877
    DIR NNNNENNNWNNENNEENESSSWSWSSW

    Current Weather Conditions In Kanaka Bay, San Juan Island, WA

    As Of: 43 minutes ago

    • 53ºF
    • 53ºF
    • 1mph
    • 0º (N)
    • 1mph
    • Mostly Sunny
    • 8mi
    • 30.10"
    • 98%
    • 0ºF

    The weather right now in Kanaka Bay, San Juan Island, WA is Mostly Sunny. The current temperature is 53°F, and the expected high and low for today, Monday, August 24, 2026, are 75° high temperature and 55°F low temperature. The wind is currently blowing at 1 miles per hour, and coming from the North. The wind is gusting to 1 mph. With the wind and the atmosphere the temperature feels like 53° Fahrenheit. Expected precipitation is 3 percent, with current humidity at 98 percent, and air pressure at 30.1 in. Visibility is 8 nautical miles. There are no current weather alert(s).

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