Water Temperature of Friday Harbor in Friday Harbor, WA

Current Water Temperature

48.6°F

Measurement Time: Thursday, April 9, 2026, 7:00 AM PDT

Today's Tides

 High: April 9, 1:20 AM, 7.1 ft
Low: April 9, 4:43 PM, 0.2 ft

Temperature Locations

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Local Points of Interest

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

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

39.9°F
Sunny
Sunny
35.5°F
43.7°F
93%
N 6.3 mph
10.3 mph
39.6°F
37.6°F
0 in
0%
9 mi
1019 mbar
0

Five Day Weather Forecast

Sunny
Thu
H: 60°F
L: 42°F
Cloudy
Fri
H: 51°F
L: 45°F
Moderate rain
Sat
H: 48°F
L: 46°F
Patchy rain nearby
Sun
H: 53°F
L: 47°F
Patchy rain nearby
Mon
H: 51°F
L: 47°F

Air Quality

AQI: 1 - Good
PM2.5: 21.45 μg/m3
PM10: 21.65 μg/m3
Carbon Monoxide: 167.85 μg/m3
Nitrogen Dioxide: 33.35 μg/m3
Sulphur Dioxide: 7.75 μg/m3
Ozone: 61 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 1:13 PM
Sunset: 7:55 PM
Daylight: 13 hrs 21 mins
Moonrise: 3:15 AM
Moon Transit: 6:58 AM
Moonset: 10:46 AM
Moon Phase: Last Quarter
Moon Illumination: 41.9%

Best Times for Fishing or Hunting

Major Periods

6:28 AM - 8:58 AM
2:20 PM - 4:50 PM

Minor Periods

10:16 AM - 11:46 AM
2:45 AM - 4:15 AM

Action Rating: 3 out of 5

Thursday, April 9, 2026

Weather Forecast

Sunny
59.7°F
41.9°F
47.8°F
78%
0 in
0%
0%
7.6 mph
1.3


Air Quality

AQI: 2 - Moderate
PM2.5: 17.59 μg/m3
PM10: 17.74 μg/m3
Carbon Monoxide: 209.13 μg/m3
Nitrogen Dioxide: 34.26 μg/m3
Sulphur Dioxide: 6.75 μg/m3
Ozone: 58.32 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 1:13 PM
Sunset: 7:55 PM
Daylight: 13 hrs 21 mins
Moonrise: 3:15 AM
Moon Transit: 6:58 AM
Moonset: 10:46 AM
Moon Phase: Last Quarter
Moon Illumination: 41.9%

Best Times for Fishing or Hunting

Major Periods

6:28 AM - 8:58 AM
2:20 PM - 4:50 PM

Minor Periods

10:16 AM - 11:46 AM
2:45 AM - 4:15 AM

Action Rating: 3 out of 5

Friday, April 10, 2026

Weather Forecast

Cloudy
50.7°F
45°F
47.8°F
86%
0 in
0%
0%
7.4 mph
1.2


Air Quality

AQI: 1 - Good
PM2.5: 14.94 μg/m3
PM10: 15.69 μg/m3
Carbon Monoxide: 214.05 μg/m3
Nitrogen Dioxide: 22.83 μg/m3
Sulphur Dioxide: 5.8 μg/m3
Ozone: 69.64 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:13 PM
Sunset: 7:56 PM
Daylight: 13 hrs 25 mins
Moonrise: 3:49 AM
Moon Transit: 7:48 AM
Moonset: 11:55 AM
Moon Phase: Last Quarter
Moon Illumination: 31.0%

Best Times for Fishing or Hunting

Major Periods

7:18 AM - 9:48 AM
3:10 PM - 5:40 PM

Minor Periods

11:25 AM - 12:55 AM
3:19 AM - 4:49 AM

Action Rating: 2 out of 5

Saturday, April 11, 2026

Weather Forecast

Moderate rain
48.2°F
46.3°F
47.5°F
93%
0.24 in
87%
0%
15.9 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 9.42 μg/m3
PM10: 10.64 μg/m3
Carbon Monoxide: 173.13 μg/m3
Nitrogen Dioxide: 12.95 μg/m3
Sulphur Dioxide: 2.49 μg/m3
Ozone: 74.48 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 1:13 PM
Sunset: 7:58 PM
Daylight: 13 hrs 28 mins
Moonrise: 4:16 AM
Moon Transit: 8:37 AM
Moonset: 1:08 PM
Moon Phase: Last Quarter
Moon Illumination: 21.1%

Best Times for Fishing or Hunting

Major Periods

8:07 AM - 10:37 AM
3:58 PM - 6:28 PM

Minor Periods

12:38 AM - 2:08 PM
3:46 AM - 5:16 AM

Action Rating: 2 out of 5

Sunday, April 12, 2026

Weather Forecast

Patchy rain nearby
52.7°F
46.6°F
49.3°F
79%
0.01 in
88%
0%
15.4 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 7.28 μg/m3
PM10: 9.11 μg/m3
Carbon Monoxide: 182.64 μg/m3
Nitrogen Dioxide: 9.15 μg/m3
Sulphur Dioxide: 1.57 μg/m3
Ozone: 76.52 μg/m3

Astronomical

Sunrise: 6:27 AM
Sun Transit: 1:12 PM
Sunset: 7:59 PM
Daylight: 13 hrs 32 mins
Moonrise: 4:37 AM
Moon Transit: 9:24 AM
Moonset: 2:23 PM
Moon Phase: Waning Crescent
Moon Illumination: 12.6%

Best Times for Fishing or Hunting

Major Periods

8:54 AM - 11:24 AM
4:44 PM - 7:14 PM

Minor Periods

1:53 PM - 3:23 PM
4:07 AM - 5:37 AM

Action Rating: 2 out of 5

Monday, April 13, 2026

Weather Forecast

Patchy rain nearby
51.3°F
46.5°F
48.1°F
80%
0.02 in
85%
0%
15.7 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 4.51 μg/m3
PM10: 6.09 μg/m3
Carbon Monoxide: 158.82 μg/m3
Nitrogen Dioxide: 4.47 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 80.54 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:12 PM
Sunset: 8:01 PM
Daylight: 13 hrs 35 mins
Moonrise: 4:55 AM
Moon Transit: 10:10 AM
Moonset: 3:39 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

5:30 PM - 8:00 PM
9:40 AM - 12:10 AM

Minor Periods

3:09 PM - 4:39 PM
4:25 AM - 5:55 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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