Water Temperature of Friday Harbor in Friday Harbor, WA

Current Water Temperature

48.6°F

Measurement Time: Monday, January 5, 2026, 12:30 AM PST

Today's Tides

 High: January 5, 7:46 AM, 9.1 ft
Low: January 5, 12:59 PM, 6.8 ft
 High: January 5, 4:11 PM, 7.2 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

43°F
Light rain
Light rain
38.7°F
40°F
100%
E 6.9 mph
9.6 mph
36.8°F
38.6°F
0.01 in
100%
9 mi
1004 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Mon
H: 43°F
L: 38°F
Heavy rain
Tue
H: 46°F
L: 42°F
Patchy rain nearby
Wed
H: 44°F
L: 41°F
Patchy rain nearby
Thu
H: 44°F
L: 39°F
Patchy rain nearby
Fri
H: 47°F
L: 43°F

Air Quality

PM2.5: 3.15 μg/m3
PM10: 4.55 μg/m3
Carbon Monoxide: 154.85 μg/m3
Nitrogen Dioxide: 2.15 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 85 μg/m3

Astronomical

Sunrise: 8:04 AM
Sun Transit: 12:17 AM
Sunset: 4:32 PM
Daylight: 8 hrs 28 mins
Moonrise: 7:37 PM
Moon Transit: 2:13 AM
Moonset: 9:54 AM
Moon Phase: Full
Moon Illumination: 93.7%

Best Times for Fishing or Hunting

Major Periods

1:43 AM - 4:13 AM
9:36 AM - 12:06 AM

Minor Periods

7:07 PM - 8:37 PM
9:24 AM - 10:54 AM

Action Rating: 3 out of 5

Coastal Flood Advisory issued January 4 at 1:54PM PST until January 5 at 10:00AM PST by NWS Seattle WA

Effective: Sun January 4, 2026, 1:54 PM
Expires: Sun January 4, 2026, 10:00 PM

* WHAT...Minor coastal flooding expected. Inundation of around 1.75 to 2.5 feet above ground level is possible along shorelines and low- lying coastal areas. * WHERE...San Juan County, Lowlands of Western Whatcom County, Lowlands of Western Skagit and Northwestern Snohomish Counties and Island County zones. * WHEN...From 6 AM to 10 AM PST Monday. * IMPACTS...Minor coastal flooding due to tidal overflow is expected around high tide. This may lead to flooding of parking lots, parks, and roads, with only isolated road closures expected.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Inundation above ground level refers to the height above the Mean Higher High Water (MHHW) level.


Coastal Flood Advisory issued January 4 at 9:33PM PST until January 5 at 10:00AM PST by NWS Seattle WA

Effective: Sun January 4, 2026, 9:33 PM
Expires: Mon January 5, 2026, 5:45 AM

* WHAT...Minor coastal flooding expected. Inundation of around 1.75 to 2.5 feet above ground level is possible along shorelines and low- lying coastal areas. * WHERE...San Juan County, Lowlands of Western Whatcom County, Lowlands of Western Skagit and Northwestern Snohomish Counties and Island County zones. * WHEN...From 6 AM to 10 AM PST Monday. * IMPACTS...Minor coastal flooding due to tidal overflow is expected around high tide. This may lead to flooding of parking lots, parks, and roads, with only isolated road closures expected.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Inundation above ground level refers to the height above the Mean Higher High Water (MHHW) level.
Monday, January 5, 2026

Weather Forecast

Patchy rain nearby
43.3°F
38.3°F
41.5°F
81%
0.1 in
81%
0%
15.4 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 2.72 μg/m3
PM10: 3.83 μg/m3
Carbon Monoxide: 159.85 μg/m3
Nitrogen Dioxide: 2.59 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 84.96 μg/m3

Astronomical

Sunrise: 8:04 AM
Sun Transit: 12:17 AM
Sunset: 4:32 PM
Daylight: 8 hrs 28 mins
Moonrise: 7:37 PM
Moon Transit: 2:13 AM
Moonset: 9:54 AM
Moon Phase: Full
Moon Illumination: 93.7%

Best Times for Fishing or Hunting

Major Periods

1:43 AM - 4:13 AM
9:36 AM - 12:06 AM

Minor Periods

7:07 PM - 8:37 PM
9:24 AM - 10:54 AM

Action Rating: 3 out of 5

Tuesday, January 6, 2026

Weather Forecast

Heavy rain
46.2°F
41.7°F
43.8°F
87%
1.14 in
88%
0%
25.3 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 4.06 μg/m3
PM10: 5.46 μg/m3
Carbon Monoxide: 160.69 μg/m3
Nitrogen Dioxide: 4.81 μg/m3
Sulphur Dioxide: 1.76 μg/m3
Ozone: 77.16 μg/m3

Astronomical

Sunrise: 8:03 AM
Sun Transit: 12:18 AM
Sunset: 4:33 PM
Daylight: 8 hrs 30 mins
Moonrise: 8:57 PM
Moon Transit: 3:05 AM
Moonset: 10:14 AM
Moon Phase: Waning Gibbous
Moon Illumination: 87.1%

Best Times for Fishing or Hunting

Major Periods

2:35 AM - 5:05 AM
10:26 AM - 12:56 AM

Minor Periods

8:27 PM - 9:57 PM
9:44 AM - 11:14 AM

Action Rating: 2 out of 5

Wednesday, January 7, 2026

Weather Forecast

Patchy rain nearby
43.9°F
41.2°F
43°F
82%
0.04 in
87%
0%
27.7 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 2.76 μg/m3
PM10: 3.73 μg/m3
Carbon Monoxide: 149.7 μg/m3
Nitrogen Dioxide: 2.91 μg/m3
Sulphur Dioxide: 1.56 μg/m3
Ozone: 78.96 μg/m3

Astronomical

Sunrise: 8:03 AM
Sun Transit: 12:18 AM
Sunset: 4:34 PM
Daylight: 8 hrs 31 mins
Moonrise: 10:12 PM
Moon Transit: 3:51 AM
Moonset: 10:30 AM
Moon Phase: Waning Gibbous
Moon Illumination: 78.6%

Best Times for Fishing or Hunting

Major Periods

3:21 AM - 5:51 AM
11:11 AM - 1:41 PM

Minor Periods

9:42 PM - 11:12 PM
10:00 AM - 11:30 AM

Action Rating: 2 out of 5

Thursday, January 8, 2026

Weather Forecast

Patchy rain nearby
44°F
39.1°F
42.1°F
76%
0.06 in
89%
0%
23.9 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 2.73 μg/m3
PM10: 3.74 μg/m3
Carbon Monoxide: 153.02 μg/m3
Nitrogen Dioxide: 2.57 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 79.31 μg/m3

Astronomical

Sunrise: 8:03 AM
Sun Transit: 12:18 AM
Sunset: 4:36 PM
Daylight: 8 hrs 33 mins
Moonrise: 11:23 PM
Moon Transit: 4:35 AM
Moonset: 10:44 AM
Moon Phase: Waning Gibbous
Moon Illumination: 68.7%

Best Times for Fishing or Hunting

Major Periods

4:05 AM - 6:35 AM
11:54 AM - 2:24 PM

Minor Periods

12:00 AM - 12:00 AM
10:14 AM - 11:44 AM

Action Rating: 2 out of 5

Friday, January 9, 2026

Weather Forecast

Patchy rain nearby
47.3°F
43.1°F
44.5°F
84%
0.01 in
89%
0%
17.9 mph
0


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 8:02 AM
Sun Transit: 12:19 AM
Sunset: 4:37 PM
Daylight: 8 hrs 35 mins
Moonrise: 12:23 AM
Moon Transit: 5:17 AM
Moonset: 10:58 AM
Moon Phase: Waning Gibbous
Moon Illumination: 57.8%

Best Times for Fishing or Hunting

Major Periods

4:47 AM - 7:17 AM
12:36 AM - 3:06 PM

Minor Periods

10:28 AM - 11:58 AM
12:00 AM - 12:00 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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