Water Temperature of Friday Harbor in Friday Harbor, WA

Current Water Temperature

48.6°F

Measurement Time: Saturday, January 3, 2026, 1:48 PM PST

Today's Tides

 High: January 3, 6:37 AM, 9.3 ft
Low: January 3, 10:46 AM, 7.9 ft
 High: January 3, 2:04 PM, 8.4 ft
Low: January 3, 10:37 PM, -2.9 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

50.4°F
Overcast
Overcast
44.3°F
50.5°F
89%
SSE 18.8 mph
27.8 mph
45.6°F
46.2°F
0 in
100%
9 mi
998 mbar
0.1

Five Day Weather Forecast

Moderate rain
Sat
H: 51°F
L: 43°F
Patchy rain nearby
Sun
H: 48°F
L: 44°F
Cloudy
Mon
H: 43°F
L: 41°F
Moderate rain
Tue
H: 42°F
L: 40°F
Patchy rain nearby
Wed
H: 42°F
L: 40°F

Air Quality

AQI: 1 - Good
PM2.5: 4.65 μg/m3
PM10: 5.25 μg/m3
Carbon Monoxide: 171.85 μg/m3
Nitrogen Dioxide: 15.15 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 59 μg/m3

Astronomical

Sunrise: 8:04 AM
Sun Transit: 12:16 AM
Sunset: 4:30 PM
Daylight: 8 hrs 26 mins
Moonrise: 4:47 PM
Moon Transit: 12:13 AM
Moonset: 8:51 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:39 AM - 10:09 AM

Minor Periods

4:17 PM - 5:47 PM
8:21 AM - 9:51 AM

Action Rating: 6 out of 5

Coastal Flood Advisory issued January 3 at 3:49AM PST until January 3 at 9:00AM PST by NWS Seattle WA

Effective: Sat January 3, 2026, 3:49 AM
Expires: Sat January 3, 2026, 2:00 PM

* WHAT...For the Coastal Flood Advisory, minor coastal flooding expected. Inundation of 1.5 to 2.5 feet above ground level is possible along shorelines and low-lying coastal areas. For the Coastal Flood Watch, significant coastal flooding possible. Inundation of 2 to 3 feet above ground level is possible along shorelines and low-lying coastal areas. * WHERE...San Juan County and Lowlands of Western Whatcom County zones. * WHEN...For the Coastal Flood Advisory, from 5 AM to 9 AM PST today. For the Coastal Flood Watch, Sunday morning. * IMPACTS...Numerous roads may be closed. Low lying property including homes, businesses, and some critical infrastructure may be inundated. Some shoreline erosion may occur.

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.


Coastal Flood Watch issued January 3 at 3:49AM PST until January 4 at 10:00AM PST by NWS Seattle WA

Effective: Sat January 3, 2026, 3:49 AM
Expires: Sat January 3, 2026, 2:00 PM

* WHAT...For the Coastal Flood Advisory, minor coastal flooding expected. Inundation of 1.5 to 2.5 feet above ground level is possible along shorelines and low-lying coastal areas. For the Coastal Flood Watch, significant coastal flooding possible. Inundation of 2 to 3 feet above ground level is possible along shorelines and low-lying coastal areas. * WHERE...San Juan County and Lowlands of Western Whatcom County zones. * WHEN...For the Coastal Flood Advisory, from 5 AM to 9 AM PST today. For the Coastal Flood Watch, Sunday morning. * IMPACTS...Numerous roads may be closed. Low lying property including homes, businesses, and some critical infrastructure may be inundated. Some shoreline erosion may occur.

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.


Coastal Flood Watch issued January 3 at 7:34AM PST until January 4 at 10:00AM PST by NWS Seattle WA

Effective: Sat January 3, 2026, 7:34 AM
Expires: Sat January 3, 2026, 4:00 PM

* WHAT...For the Coastal Flood Advisory, minor coastal flooding expected. Inundation of 1.5 to 2.5 feet above ground level is possible along shorelines and low-lying coastal areas. For the Coastal Flood Watch, significant coastal flooding possible. Inundation of 2 to 3 feet above ground level is possible along shorelines and low-lying coastal areas. * WHERE...San Juan County and Lowlands of Western Whatcom County zones. * WHEN...For the Coastal Flood Advisory, until 9 AM PST this morning. For the Coastal Flood Watch, Sunday morning. * IMPACTS...Numerous roads may be closed. Low lying property including homes, businesses, and some critical infrastructure may be inundated. Some shoreline erosion may occur.

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.
Saturday, January 3, 2026

Weather Forecast

Moderate rain
51.3°F
42.6°F
47.3°F
86%
0.3 in
87%
0%
23 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 11.29 μg/m3
PM10: 11.61 μg/m3
Carbon Monoxide: 224.05 μg/m3
Nitrogen Dioxide: 46.36 μg/m3
Sulphur Dioxide: 2.91 μg/m3
Ozone: 19.76 μg/m3

Astronomical

Sunrise: 8:04 AM
Sun Transit: 12:16 AM
Sunset: 4:30 PM
Daylight: 8 hrs 26 mins
Moonrise: 4:47 PM
Moon Transit: 12:13 AM
Moonset: 8:51 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:39 AM - 10:09 AM

Minor Periods

4:17 PM - 5:47 PM
8:21 AM - 9:51 AM

Action Rating: 6 out of 5

Sunday, January 4, 2026

Weather Forecast

Patchy rain nearby
47.8°F
44.4°F
46.5°F
84%
0.14 in
88%
0%
30.2 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 3.99 μg/m3
PM10: 4.49 μg/m3
Carbon Monoxide: 159.85 μg/m3
Nitrogen Dioxide: 12.06 μg/m3
Sulphur Dioxide: 1.81 μg/m3
Ozone: 62.24 μg/m3

Astronomical

Sunrise: 8:04 AM
Sun Transit: 12:17 AM
Sunset: 4:31 PM
Daylight: 8 hrs 27 mins
Moonrise: 6:13 PM
Moon Transit: 1:16 AM
Moonset: 9:28 AM
Moon Phase: Full
Moon Illumination: 98.1%

Best Times for Fishing or Hunting

Major Periods

12:46 AM - 3:16 AM
8:41 AM - 11:11 AM

Minor Periods

5:43 PM - 7:13 PM
8:58 AM - 10:28 AM

Action Rating: 3 out of 5

Monday, January 5, 2026

Weather Forecast

Cloudy
43.4°F
41.2°F
42.9°F
78%
0 in
0%
0%
20.4 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 3.09 μg/m3
PM10: 4.33 μg/m3
Carbon Monoxide: 148.89 μg/m3
Nitrogen Dioxide: 2.77 μg/m3
Sulphur Dioxide: 1.46 μg/m3
Ozone: 85.16 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

Moderate rain
41.6°F
39.5°F
41.4°F
85%
0.23 in
83%
0%
23.9 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.13 μg/m3
PM10: 4.03 μg/m3
Carbon Monoxide: 174.63 μg/m3
Nitrogen Dioxide: 5.23 μg/m3
Sulphur Dioxide: 1.84 μg/m3
Ozone: 75.12 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
42.2°F
40°F
41.6°F
78%
0.06 in
89%
0%
19 mph
2


Air Quality

AQI: 1 - Good
PM2.5: 2.2 μg/m3
PM10: 2.99 μg/m3
Carbon Monoxide: 155.16 μg/m3
Nitrogen Dioxide: 2.97 μg/m3
Sulphur Dioxide: 1.62 μg/m3
Ozone: 80.77 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

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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