Water Temperature of Friday Harbor in Friday Harbor, WA

Current Water Temperature

52.0°F

Measurement Time: Sunday, October 5, 2025, 2:12 PM PDT

Today's Tides

 High: October 5, 3:31 AM, 5.97 ft
Low: October 5, 9:45 AM, 1.30 ft
 High: October 5, 4:44 PM, 7.25 ft
Low: October 5, 10:39 PM, 2.40 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 / 20 meters

Sensor Depth: -5.7 feet / -1.7 meters

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 (62.0 km)
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 (87.6 km)
North Fork Nooksack River, Glacier, WA (58.6 mi)
Salish Sea, Roberts Creek, BC (102.7 km)

Weather for Friday Harbor, Washington

Current Weather

62.1°F
Sunny
Conditions: Sunny
Humidity: 44%
Feels Like: 62.1°F
Wind: N 3.1 mph
Wind Gusts: 4.9 mph
Pressure: 30.24 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 3.2

Five Day Weather Forecast

Sunny
Sun
H: 66°F
L: 50°F
Sunny
Mon
H: 59°F
L: 52°F
Sunny
Tue
H: 58°F
L: 52°F
Partly Cloudy
Wed
H: 56°F
L: 49°F
Sunny
Thu
H: 58°F
L: 52°F

Air Quality

AQI: 1 - Good
PM2.5: 7.85 μg/m3
PM10: 7.95 μg/m3
Carbon Monoxide: 265.85 μg/m3
Nitrogen Dioxide: 26.35 μg/m3
Sulphur Dioxide: 3.85 μg/m3
Ozone: 53 μg/m3

Astronomical

Sunrise: 7:18 AM
Sun Transit: 1:00 PM
Sunset: 6:42 PM
Daylight: 11 hrs 24 mins
Moonrise: 6:04 PM
Moon Transit: 10:38 PM
Moonset: 5:19 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

5:34 PM - 7:04 PM
4:49 AM - 6:19 AM

Action Rating: 3 out of 5

Sunday, October 5, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 55.4°F
Average Humidity: 71%
Chance of Rain: 0%
Wind: 8.3 mph
UV Index: 0.8

Air Quality

AQI: 1 - Good
PM2.5: 11.89 μg/m3
PM10: 12.73 μg/m3
Carbon Monoxide: 177.45 μg/m3
Nitrogen Dioxide: 29.38 μg/m3
Sulphur Dioxide: 5.61 μg/m3
Ozone: 46.24 μg/m3

Astronomical

Sunrise: 7:18 AM
Sun Transit: 1:00 PM
Sunset: 6:42 PM
Daylight: 11 hrs 24 mins
Moonrise: 6:04 PM
Moon Transit: 10:38 PM
Moonset: 5:19 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

5:34 PM - 7:04 PM
4:49 AM - 6:19 AM

Action Rating: 3 out of 5

Monday, October 6, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 55.1°F
Average Humidity: 76%
Chance of Rain: 0%
Wind: 5.6 mph
UV Index: 0.7

Air Quality

AQI: 1 - Good
PM2.5: 8.17 μg/m3
PM10: 8.27 μg/m3
Carbon Monoxide: 199.25 μg/m3
Nitrogen Dioxide: 22.13 μg/m3
Sulphur Dioxide: 3.73 μg/m3
Ozone: 61.36 μg/m3

Astronomical

Sunrise: 7:19 AM
Sun Transit: 1:00 PM
Sunset: 6:40 PM
Daylight: 11 hrs 21 mins
Moonrise: 6:20 PM
Moon Transit: 12:00 AM
Moonset: 6:43 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:36 AM - 10:06 AM

Minor Periods

5:50 PM - 7:20 PM
6:13 AM - 7:43 AM

Action Rating: 5 out of 5

Tuesday, October 7, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 55.1°F
Average Humidity: 78%
Chance of Rain: 0%
Wind: 6.9 mph
UV Index: 0.7

Air Quality

AQI: 1 - Good
PM2.5: 10.53 μg/m3
PM10: 10.77 μg/m3
Carbon Monoxide: 158.45 μg/m3
Nitrogen Dioxide: 23.43 μg/m3
Sulphur Dioxide: 4.98 μg/m3
Ozone: 51 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 1:00 PM
Sunset: 6:38 PM
Daylight: 11 hrs 17 mins
Moonrise: 6:39 PM
Moon Transit: 1:05 AM
Moonset: 8:10 AM
Moon Phase: Full
Moon Illumination: 99.1%

Best Times for Fishing or Hunting

Major Periods

12:35 AM - 3:05 AM
8:27 AM - 10:57 AM

Minor Periods

6:09 PM - 7:39 PM
7:40 AM - 9:10 AM

Action Rating: 5 out of 5

Wednesday, October 8, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 52.2°F
Average Humidity: 84%
Chance of Rain: 0%
Wind: 5.6 mph
UV Index: 0.4

Air Quality

AQI: 1 - Good
PM2.5: 4.13 μg/m3
PM10: 5.07 μg/m3
Carbon Monoxide: 143.37 μg/m3
Nitrogen Dioxide: 6.42 μg/m3
Sulphur Dioxide: 1.64 μg/m3
Ozone: 61.28 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 1:00 PM
Sunset: 6:36 PM
Daylight: 11 hrs 14 mins
Moonrise: 7:02 PM
Moon Transit: 1:58 AM
Moonset: 9:39 AM
Moon Phase: Full
Moon Illumination: 95.8%

Best Times for Fishing or Hunting

Major Periods

1:28 AM - 3:58 AM
9:21 AM - 11:51 AM

Minor Periods

6:32 PM - 8:02 PM
9:09 AM - 10:39 AM

Action Rating: 4 out of 5

Thursday, October 9, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 54.1°F
Average Humidity: 83%
Chance of Rain: 0%
Wind: 7.8 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 7.33 μg/m3
PM10: 8.63 μg/m3
Carbon Monoxide: 198.39 μg/m3
Nitrogen Dioxide: 18.42 μg/m3
Sulphur Dioxide: 2.57 μg/m3
Ozone: 41.31 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 1:00 PM
Sunset: 6:34 PM
Daylight: 11 hrs 10 mins
Moonrise: 7:32 PM
Moon Transit: 2:55 AM
Moonset: 11:10 AM
Moon Phase: Waning Gibbous
Moon Illumination: 90.1%

Best Times for Fishing or Hunting

Major Periods

2:25 AM - 4:55 AM
10:20 AM - 12:50 AM

Minor Periods

7:02 PM - 8:32 PM
10:40 AM - 12:10 AM

Action Rating: 3 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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