Friday Harbor, San Juan Channel Sea Conditions and Tide Table

Friday Harbor, San Juan Channel Sea Conditions table showing wave height, swell direction and period.

High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at — and sunset is at 05:35 PM.

Days 1–4 Weather Summary

Light rain (total 9mm), mostly falling on Sun afternoon. Low air temperatures (max 8°C on Tue afternoon, min 4°C on Tue night). Wind will be generally light.

Days 5–7 Weather Summary

Moderate rain (total 10mm), heaviest on Fri afternoon. Low air temperatures (max 8°C on Wed night, min 5°C on Thu night). Wind will be generally light.

Days 8–10 Weather Summary

Heavy rain (total 20mm), heaviest during Sun afternoon. Very mild (max 10°C on Sat afternoon, min 6°C on Tue morning). Winds increasing (calm on Sun morning, fresh winds from the WSW by Mon afternoon).

Days 11–13 Weather Summary

Light rain (total 4mm), mostly falling on Tue night. Mild temperatures (max 9°C on Tue afternoon, min 5°C on Wed night). Winds decreasing (strong winds from the SE on Tue afternoon, calm by Wed night).

Sun
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Fri
28
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
Wave Height Map
High Tide
7:35PM1.84m
7:48AM2.33m
8:54PM1.81m
7:57AM2.28m
10:41PM1.83m
8:02AM2.25m
8:01AM2.24m
7:46AM2.24m
4:24AM2.35m
4:36AM2.44m
4:52AM2.47m
5:08AM2.48m
12:31PM2.10m
5:24AM2.47m
2:03PM2.10m
5:39AM2.45m
3:23PM2.10m
5:56AM2.44m
Low Tide
1:58PM1.06m
1:09AM1.09m
2:36PM0.87m
1:37AM1.43m
3:17PM0.70m
1:56AM1.74m
4:03PM0.56m
4:56PM0.44m
5:55PM0.31m
6:53PM0.17m
7:46PM0.02m
8:32PM-0.11m
10:03AM2.04m
9:14PM-0.18m
10:20AM1.86m
9:53PM-0.15m
10:48AM1.61m
10:31PM0.00m
11:23AM1.30m
Wave
height (m) 
direction
period (s) 
light rain
light rain
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
rain showers
part cloud
cloud
part cloud
cloud
light rain
rain showers
part cloud
cloud
mod rain
light rain
light rain
cloud
mod rain
rain showers
part cloud
cloud
cloud
light rain
part cloud
part cloud
part cloud
light rain
light rain
cloud
cloud
light rain
light rain
cloudy
cloudy
cloudy
cloudy
cloudy
light rain
light rain
light rain
rain shwrs
some clouds
cloudy
some clouds
cloudy
light rain
rain shwrs
some clouds
cloudy
mod rain
light rain
light rain
cloudy
mod rain
rain shwrs
some clouds
cloudy
cloudy
light rain
some clouds
some clouds
some clouds
light rain
light rain
cloudy
cloudy
 km/h
15
ENE
10
E
5
NNE
5
NNE
10
E
10
ESE
15
ENE
25
E
10
NE
5
SE
10
SSE
20
SSE
20
SE
15
ESE
15
ESE
10
ESE
15
S
10
SE
15
ESE
20
SE
5
ESE
5
E
15
SE
20
SSE
25
WSW
25
SW
20
SE
20
SE
30
SE
20
ESE
15
NW
5
WSW
15
SSE
10
SSE
5
NNW
15
ENE
 mm 
2.0
3
3
1.0
2.0
2.0
5
1.0
6
2.0
5
6
1.0
2.0
1.0
1.0
max°C
6
6
5
6
6
7
8
7
6
7
8
8
8
7
7
7
8
8
10
8
8
9
10
10
9
9
7
9
7
7
7
7
6
6
6
6
Moonrise
10:24
11:32
12:42
1:53
3:03
4:07
5:02
5:46
6:19
6:44
7:04
7:21
Moonset
8:42
8:55
9:11
9:30
9:55
10:30
11:17
12:18
1:32
2:54
4:20
5:45
7:11
Sunrise
7:15
7:13
7:11
7:09
7:07
7:05
7:03
7:01
7:00
6:58
6:56
6:54
Sunset
5:35
5:37
5:37
5:39
5:40
5:43
5:45
5:45
5:47
5:49
5:51
5:52
Today's sea temperature in Friday Harbor, San Juan Channel is 7.5 °C (Statistics for 16 Feb 1981-2005 – mean: 7.8 max: 9.3 min: 6.0°C)
Issued (local time): 3 pm Sunday 16 Feb 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest