Kanaka Bay, San Juan Island, WA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Mon
Jul 13 		Partly Cloudy
Close Hourly 		-º / 50º 5% NNE 6 mph 62%
4pm Partly Cloudy 74º 1% N 7 mph 37%
5pm Partly Cloudy 73º 1% NNW 6 mph 37%
6pm Partly Cloudy 71º 1% NNW 5 mph 40%
7pm Partly Cloudy 69º 1% NNW 4 mph 44%
8pm Partly Cloudy 66º 1% N 2 mph 50%
9pm Partly Cloudy 62º 1% NNW 1 mph 64%
10pm Partly Cloudy 58º 2% NNW 0 mph 71%
11pm Partly Cloudy 57º 4% E 0 mph 70%
Tue
Jul 14 		Sunny
View Hourly 		75º / 52º 3% N 4 mph 51%
12am Mostly Clear 55º 4% NE 0 mph 73%
1am Clear 54º 4% ENE 0 mph 74%
2am Clear 53º 4% NE 0 mph 77%
3am Clear 53º 4% ENE 0 mph 78%
4am Mostly Clear 52º 4% ENE 0 mph 81%
5am Clear 51º 4% ENE 0 mph 84%
6am Sunny 51º 5% ENE 0 mph 84%
7am Sunny 57º 3% ENE 0 mph 73%
8am Sunny 61º 2% ENE 0 mph 65%
9am Sunny 63º 2% NE 1 mph 60%
10am Sunny 66º 1% NE 2 mph 55%
11am Sunny 68º 1% NNE 3 mph 52%
12pm Sunny 69º 1% N 4 mph 49%
1pm Sunny 71º 1% N 4 mph 45%
2pm Sunny 72º 1% W 4 mph 45%
3pm Sunny 72º 1% SW 4 mph 44%
4pm Sunny 73º 1% SW 3 mph 42%
5pm Sunny 73º 1% SW 3 mph 42%
6pm Sunny 72º 0% SW 4 mph 44%
7pm Sunny 70º 0% SSW 3 mph 48%
8pm Sunny 67º 1% SSW 2 mph 53%
9pm Sunny 62º 2% SSW 2 mph 61%
10pm Clear 60º 2% SSW 1 mph 65%
11pm Clear 59º 3% S 1 mph 66%
Wed
Jul 15 		Mostly Sunny
View Hourly 		74º / 54º 5% SSE 4 mph 57%
12am Clear 57º 4% S 0 mph 71%
1am Clear 56º 4% SSE 0 mph 74%
2am Clear 55º 4% ESE 0 mph 78%
3am Clear 54º 5% E 0 mph 79%
4am Mostly Clear 53º 5% E 0 mph 81%
5am Partly Cloudy 53º 6% E 0 mph 85%
6am Mostly Sunny 54º 5% E 0 mph 81%
7am Mostly Sunny 57º 5% SE 0 mph 77%
8am Partly Cloudy 60º 4% E 1 mph 71%
9am Partly Cloudy 63º 3% ESE 1 mph 65%
10am Partly Cloudy 65º 3% SE 3 mph 62%
11am Partly Cloudy 67º 2% ESE 3 mph 59%
12pm Sunny 69º 2% SSE 4 mph 55%
1pm Partly Cloudy 70º 1% SSE 4 mph 52%
2pm Sunny 71º 1% SSW 3 mph 51%
3pm Mostly Sunny 72º 1% SSW 4 mph 48%
Thu
Jul 16 		PM Showers 69º / 55º 46% S 7 mph 67%
Fri
Jul 17 		Partly Cloudy 67º / 54º 23% S 7 mph 70%
Sat
Jul 18 		Sunny 69º / 54º 6% SSW 7 mph 67%
Sun
Jul 19 		Sunny 69º / 55º 6% N 8 mph 69%
Mon
Jul 20 		Mostly Sunny 73º / 57º 6% N 7 mph 65%

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

This Afternoon
High : 67ºF
W wind around 6 kt. Sunny. Waves around 1 ft.
Tonight
Low : 53ºF
Variable winds 5 kt or less. Mostly clear. Waves 1 to 2 ft.
Tuesday
High : 71ºF
Variable winds 5 kt or less. Sunny. Waves 1 ft or less.
Tuesday Night
Low : 54ºF
Variable winds 5 kt or less. Increasing clouds. Waves around 1 ft.
Wednesday
High : 71ºF
Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.
Wednesday Night
Low : 54ºF
Variable winds 5 kt or less. Partly cloudy. Waves around 1 ft.
Thursday
High : 72ºF
Variable winds less than 5 kt becoming WSW 5 to 7 kt in the afternoon. A chance of rain. Waves around 1 ft.
Thursday Night
Low : 54ºF
SW wind around 6 kt becoming variable and less than 5 kt in the evening. A chance of rain. Waves around 1 ft.
Friday
High : 69ºF
Variable winds less than 5 kt becoming S around 6 kt in the afternoon. 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) 720004320014
    11pm3am7am11am3pm7pm11pm3am7am11am3pm7pm
    MPH 720004320014
    DIR NNNEENEENENSWSSWSEESSE

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

    As Of: 10 minutes ago

    • 74ºF
    • 74ºF
    • 7mph
    • 0º (N)
    • 7mph
    • Partly Cloudy
    • 10mi
    • 30.08"
    • 37%
    • 0ºF

    The weather right now in Kanaka Bay, San Juan Island, WA is Partly Cloudy. The current temperature is 74°F, and the expected high and low for today, Monday, July 13, 2026, are -° high temperature and 50°F low temperature. The wind is currently blowing at 7 miles per hour, and coming from the North. The wind is gusting to 7 mph. With the wind and the atmosphere the temperature feels like 74° Fahrenheit. Expected precipitation is 1 percent, with current humidity at 37 percent, and air pressure at 30.08 in. Visibility is 10 nautical miles. There are no current weather alert(s).