Nearby Harbors
48.4850’ N, 123.0830’ W

Kanaka Bay, San Juan Island, WA

49°
H 50°
L 45°
E
7mph
High tide
2:42 pm
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Kanaka Bay, San Juan Island, WA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Sat
Oct 24 		Showers
Close Hourly 		50º / 45º 84% ENE 8 mph 80%
10am Rain 49º 74% E 7 mph 81%
11am Rain 49º 66% E 6 mph 80%
12pm Showers 50º 58% ENE 6 mph 77%
1pm Showers 50º 35% ENE 6 mph 76%
2pm Showers 50º 39% ENE 8 mph 76%
3pm Showers 50º 35% ENE 7 mph 75%
4pm Showers 50º 44% NE 7 mph 77%
5pm Showers 48º 43% NE 8 mph 78%
6pm Showers 47º 52% NE 6 mph 82%
7pm Light Rain 46º 64% NE 7 mph 83%
8pm Showers 46º 57% NE 6 mph 84%
9pm Showers 46º 46% NE 6 mph 86%
10pm Showers 46º 55% NE 7 mph 87%
11pm Rain 46º 62% NE 7 mph 87%
Sun
Oct 25 		AM Showers
View Hourly 		53º / 46º 66% E 14 mph 80%
12am Rain 46º 64% NE 7 mph 88%
1am Rain 47º 73% NE 7 mph 88%
2am Rain 47º 92% NE 7 mph 88%
3am Rain 47º 89% NE 9 mph 90%
4am Rain 47º 75% ENE 9 mph 90%
5am Rain 47º 88% ENE 9 mph 89%
6am Rain 47º 75% ENE 9 mph 89%
7am Light Rain 47º 66% ENE 9 mph 87%
8am Showers 48º 52% ENE 9 mph 88%
9am Showers 48º 49% ENE 11 mph 85%
10am Showers 50º 41% E 13 mph 82%
11am Few Showers 51º 31% E 13 mph 81%
12pm Few Showers 51º 31% E 14 mph 79%
1pm Cloudy 52º 24% E 14 mph 77%
2pm Cloudy 52º 22% E 14 mph 76%
3pm Cloudy 53º 15% E 14 mph 74%
4pm Cloudy 53º 16% E 14 mph 75%
5pm Cloudy 52º 15% E 12 mph 76%
6pm Mostly Cloudy 50º 15% ENE 10 mph 81%
7pm Mostly Cloudy 49º 17% ENE 9 mph 84%
8pm Cloudy 49º 17% ENE 9 mph 87%
9pm Cloudy 49º 21% ENE 7 mph 86%
10pm Cloudy 48º 15% NE 7 mph 87%
11pm Cloudy 48º 15% NE 7 mph 88%
Mon
Oct 26 		Partly Cloudy
View Hourly 		54º / 45º 15% N 10 mph 80%
12am Cloudy 48º 24% NNE 6 mph 90%
1am Cloudy 49º 16% NNE 7 mph 88%
2am Cloudy 49º 15% NNE 7 mph 88%
3am Mostly Cloudy 49º 15% NNE 7 mph 89%
4am Mostly Cloudy 49º 15% N 8 mph 89%
5am Mostly Cloudy 48º 15% N 7 mph 90%
6am Mostly Cloudy 48º 15% N 9 mph 91%
7am Mostly Cloudy 47º 15% N 9 mph 93%
8am Mostly Cloudy 47º 15% N 8 mph 93%
9am Partly Cloudy 50º 15% N 9 mph 88%
Tue
Oct 27 		PM Showers 53º / 43º 31% SSW 11 mph 80%
Wed
Oct 28 		Showers 50º / 42º 67% SE 9 mph 79%
Thu
Oct 29 		Showers 48º / 41º 63% ENE 12 mph 76%
Fri
Oct 30 		Partly Cloudy 49º / 40º 24% NNE 7 mph 71%
Sat
Oct 31 		Partly Cloudy 50º / 42º 10% ENE 6 mph 71%

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 : 53ºF
Variable winds less than 5 kt becoming NE around 6 kt in the afternoon. A slight chance of rain before noon, then a slight chance of rain after 2pm. Waves around 1 ft.
Tonight
Low : 43ºF
NNE wind 5 to 8 kt. Rain likely, mainly after 11pm. Waves around 1 ft.
Sunday
High : 54ºF
E wind 10 to 13 kt. A chance of rain, mainly after 4pm. Waves around 1 ft.
Sunday Night
Low : 45ºF
E wind 7 to 12 kt becoming NNE after midnight. A chance of rain. Waves around 1 ft.
Monday
High : 53ºF
N wind 5 to 7 kt. Mostly sunny. Waves around 1 ft.
Monday Night
Low : 43ºF
Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.
Tuesday
High : 53ºF
Variable winds 5 kt or less. Partly sunny. Waves 1 ft or less.
Tuesday Night
Low : 42ºF
Variable winds 5 kt or less. A chance of rain. Waves 1 ft or less.
Wednesday
High : 54ºF
Variable winds less than 5 kt becoming ENE 5 to 8 kt in the morning. A chance of rain. Waves 1 ft or less.

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

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    Roche Harbor Marina

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

    SaturdaySundayMonday
    Wind Speed (MPH) 786779131410779
    5pm9pm1am5am9am1pm5pm9pm1am5am9am1pm
    MPH 786779131410779
    DIR EENENENENEENEEEENENENNEN

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

    As Of: 4 minutes ago

    • 49ºF
    • 46ºF
    • 7mph
    • 0º (E)
    • 7mph
    • Rain
    • 5mi
    • 30.19"
    • 81%
    • 0ºF

    The weather right now in Kanaka Bay, San Juan Island, WA is Rain. The current temperature is 49°F, and the expected high and low for today, Saturday, October 24, 2026, are 50° high temperature and 45°F low temperature. The wind is currently blowing at 7 miles per hour, and coming from the East. The wind is gusting to 7 mph. With the wind and the atmosphere the temperature feels like 46° Fahrenheit. Expected precipitation is 74 percent, with current humidity at 81 percent, and air pressure at 30.19 in. Visibility is 5 nautical miles. There are no current weather alert(s).

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