Water Temperature of Friday Harbor in Friday Harbor, WA

Current Water Temperature

49.1°F

Measurement Time: Thursday, December 25, 2025, 10:24 PM PST

Today's Tides

Low: December 25, 1:20 AM, -0.3 ft
 High: December 25, 9:40 AM, 8.5 ft

Temperature Locations

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Local Points of Interest

Brown Island; San Juan Island; Shaw Island; San Juan Channel

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Friday Harbor

Station Name: Friday Harbor
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 66 feet

Sensor Depth: -6 feet

Nearest Address:
Cantilever Way
Friday Harbor, WA 98250
San Juan County

GPS Coordinates: 48.546700, -123.010002

Nearby Water Temperatures

Nooksack River, Ferndale, WA (28.1 mi)
Skagit River, Burlington, WA (31.7 mi)
Port Townsend Bay, Port Townsend, WA (32.2 mi)
Port Angeles Harbor, Port Angeles, WA (35.2 mi)
Fishtrap Creek, Lynden, WA (36.3 mi)
Anderson Creek, Goshen, WA (36.4 mi)
Strait of Juan de Fuca, Angeles Point, WA (37.7 mi)
Nooksack River, Cedarville, WA (38.5 mi)
Bertrand Creek, Aldergrove, BC (38.5 mi)
Bertrand Creek, Delta, WA (38.9 mi)
South Fork Nooksack River, Doran, WA (39.6 mi)
Skookum Creek, Doran, WA (40.7 mi)
Salish Sea, Vancouver, BC (54.4 mi)
North Fork Nooksack River, Glacier, WA (58.6 mi)
Salish Sea, Roberts Creek, BC (63.8 mi)

Weather for Friday Harbor, Washington

Current Weather

41.9°F
Mostly cloudy
Conditions: Mostly cloudy
Humidity: 93%
Heat Index: 41.9°F
Feels Like: 35.6°F
Wind: E 5.6 mph
Wind Gusts: 11 mph
Wind Chill: 35.6°F
Air Pressure: 1002.66 millibars
Dew Point: 35.6°F
Chance of Precipitation: 10%
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 8 mi
UV Index: 0

Five Day Weather Forecast

Patchy rain nearby
Thu
H: 46°F
L: 35°F
Patchy rain nearby
Fri
H: 45°F
L: 39°F
Partly Cloudy
Sat
H: 36°F
L: 33°F
Overcast
Sun
H: 43°F
L: 38°F
Overcast
Mon
H: 42°F
L: 39°F

Air Quality

AQI: 1 - Good
PM2.5: 9.25 μg/m3
PM10: 10.75 μg/m3
Carbon Monoxide: 225.85 μg/m3
Nitrogen Dioxide: 20.15 μg/m3
Sulphur Dioxide: 2.55 μg/m3
Ozone: 35 μg/m3

Astronomical

Sunrise: 8:03 AM
Sun Transit: 12:12 AM
Sunset: 4:22 PM
Daylight: 8 hrs 19 mins
Moonrise: 11:17 AM
Moon Transit: 4:49 PM
Moonset: 10:35 PM
Moon Phase: Waxing Crescent
Moon Illumination: 29.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:19 PM - 6:49 PM

Minor Periods

10:05 PM - 11:35 PM
10:47 AM - 12:17 AM

Action Rating: 3 out of 5

Thursday, December 25, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 40.6°F
Average Humidity: 86%
Chance of Rain: 86%
Wind: 15.9 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 6.69 μg/m3
PM10: 7.17 μg/m3
Carbon Monoxide: 151.13 μg/m3
Nitrogen Dioxide: 16.49 μg/m3
Sulphur Dioxide: 3.71 μg/m3
Ozone: 53.6 μg/m3

Astronomical

Sunrise: 8:03 AM
Sun Transit: 12:12 AM
Sunset: 4:22 PM
Daylight: 8 hrs 19 mins
Moonrise: 11:17 AM
Moon Transit: 4:49 PM
Moonset: 10:35 PM
Moon Phase: Waxing Crescent
Moon Illumination: 29.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:19 PM - 6:49 PM

Minor Periods

10:05 PM - 11:35 PM
10:47 AM - 12:17 AM

Action Rating: 3 out of 5

Friday, December 26, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 41.6°F
Average Humidity: 81%
Chance of Rain: 56%
Wind: 26.6 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 6.97 μg/m3
PM10: 8.04 μg/m3
Carbon Monoxide: 177.41 μg/m3
Nitrogen Dioxide: 17.25 μg/m3
Sulphur Dioxide: 3.4 μg/m3
Ozone: 52.16 μg/m3

Astronomical

Sunrise: 8:04 AM
Sun Transit: 12:12 AM
Sunset: 4:23 PM
Daylight: 8 hrs 19 mins
Moonrise: 11:31 AM
Moon Transit: 12:00 AM
Moonset: 11:50 PM
Moon Phase: First Quarter
Moon Illumination: 40.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:08 AM - 2:38 AM

Minor Periods

12:00 AM - 12:00 AM
11:01 AM - 12:31 AM

Action Rating: 2 out of 5

Saturday, December 27, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 35.7°F
Average Humidity: 72%
Chance of Rain: 0%
Wind: 18.3 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 3.21 μg/m3
PM10: 3.89 μg/m3
Carbon Monoxide: 149.69 μg/m3
Nitrogen Dioxide: 4.99 μg/m3
Sulphur Dioxide: 2.17 μg/m3
Ozone: 83.28 μg/m3

Astronomical

Sunrise: 8:04 AM
Sun Transit: 12:13 AM
Sunset: 4:23 PM
Daylight: 8 hrs 20 mins
Moonrise: 11:46 AM
Moon Transit: 1:23 AM
Moonset: 12:50 AM
Moon Phase: First Quarter
Moon Illumination: 51.8%

Best Times for Fishing or Hunting

Major Periods

12:53 AM - 3:23 AM
12:53 AM - 3:23 AM

Minor Periods

11:16 AM - 12:46 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Sunday, December 28, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 40.2°F
Average Humidity: 84%
Chance of Rain: 0%
Wind: 5.8 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 9.05 μg/m3
PM10: 10.72 μg/m3
Carbon Monoxide: 175.68 μg/m3
Nitrogen Dioxide: 10.81 μg/m3
Sulphur Dioxide: 3.35 μg/m3
Ozone: 63.36 μg/m3

Astronomical

Sunrise: 8:04 AM
Sun Transit: 12:13 AM
Sunset: 4:24 PM
Daylight: 8 hrs 20 mins
Moonrise: 12:03 AM
Moon Transit: 7:07 PM
Moonset: 1:08 AM
Moon Phase: First Quarter
Moon Illumination: 63.0%

Best Times for Fishing or Hunting

Major Periods

1:39 AM - 4:09 AM
6:37 PM - 9:07 PM

Minor Periods

11:33 AM - 1:03 PM
12:38 AM - 2:08 AM

Action Rating: 2 out of 5

Monday, December 29, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 40.5°F
Average Humidity: 82%
Chance of Rain: 0%
Wind: 6.5 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 11.29 μg/m3
PM10: 14.4 μg/m3
Carbon Monoxide: 209.1 μg/m3
Nitrogen Dioxide: 16.53 μg/m3
Sulphur Dioxide: 3.1 μg/m3
Ozone: 51.15 μg/m3

Astronomical

Sunrise: 8:04 AM
Sun Transit: 12:14 AM
Sunset: 4:25 PM
Daylight: 8 hrs 21 mins
Moonrise: 12:23 AM
Moon Transit: 8:00 PM
Moonset: 2:31 AM
Moon Phase: First Quarter
Moon Illumination: 73.5%

Best Times for Fishing or Hunting

Major Periods

2:30 AM - 5:00 AM
7:30 PM - 10:00 PM

Minor Periods

11:53 AM - 1:23 PM
2:01 AM - 3:31 AM

Action Rating: 2 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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