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 07:30 AM and sunset is at 05:22 PM.

Days 1–3 Weather Summary

Some drizzle, heaviest during Sun night. Low air temperatures (max 8°C on Sun morning, min 6°C on Sun night). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 3mm), mostly falling on Thu night. Low air temperatures (max 8°C on Thu afternoon, min 5°C on Thu morning). Winds increasing (calm on Wed night, fresh winds from the WSW by Thu night).

Days 7–9 Weather Summary

Light rain (total 8mm), mostly falling on Sat night. Mild temperatures (max 7°C on Sat morning, min 4°C on Sat night). Winds increasing (calm on Sun afternoon, fresh winds from the SE by Sun night).

Days 10–12 Weather Summary

Light rain (total 2mm), mostly falling on Thu night. Mild temperatures (max 7°C on Thu afternoon, min 5°C on Tue morning). Wind will be generally light.

Sunday
8
Monday
9
Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Mon
23
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
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
High Tide
8:39AM2.39m
8:43AM2.33m
8:33AM2.29m
4:34AM2.38m
4:54AM2.47m
5:16AM2.49m
5:34AM2.47m
11:28AM2.10m
5:48AM2.44m
1:21PM2.07m
5:59AM2.41m
2:37PM2.05m
6:11AM2.40m
3:43PM2.04m
6:24AM2.40m
4:46PM2.01m
6:39AM2.42m
5:52PM1.97m
6:55AM2.45m
7:01PM1.93m
7:11AM2.48m
8:21PM1.90m
7:26AM2.51m
Low Tide
4:31PM0.62m
5:25PM0.48m
6:21PM0.36m
7:15PM0.24m
8:04PM0.13m
8:46PM0.03m
10:53AM2.10m
9:22PM-0.03m
10:41AM2.00m
9:54PM-0.05m
10:56AM1.85m
10:24PM-0.01m
11:21AM1.65m
10:54PM0.10m
11:52AM1.41m
11:25PM0.31m
12:28PM1.12m
11:58PM0.60m
1:08PM0.82m
00:30AM0.95m
1:52PM0.53m
1:03AM1.33m
2:41PM0.27m
Wave
height (m) 
direction
period (s) 
clear
cloud
light rain
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
cloud
light rain
light rain
cloud
cloud
part cloud
part cloud
cloud
mod rain
part cloud
part cloud
part cloud
light rain
part cloud
cloud
cloud
cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
light rain
light rain
part cloud
part cloud
cloud
part cloud
part cloud
clear
clear
part cloud
cloud
cloud
clear
cloudy
light rain
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
some clouds
cloudy
light rain
light rain
cloudy
cloudy
some clouds
some clouds
cloudy
mod rain
some clouds
some clouds
some clouds
light rain
some clouds
cloudy
cloudy
cloudy
some clouds
some clouds
clear
some clouds
cloudy
cloudy
light rain
light rain
some clouds
some clouds
cloudy
some clouds
some clouds
clear
clear
some clouds
cloudy
cloudy
 km/h
10
NNW
5
WSW
20
SSE
20
SSE
20
SE
20
SSE
10
N
15
NNW
20
NNW
20
NNW
5
N
10
SE
20
SSE
20
SE
30
WSW
15
SW
15
SSE
25
SE
10
ENE
10
NNE
20
SE
10
ESE
5
NNE
15
E
35
SE
30
SE
5
NE
20
N
20
NNW
10
NW
10
N
15
NNW
5
NNW
15
SSE
15
WSW
10
SSW
10
NNW
5
NE
5
NNE
5
SE
0
NNE
5
NNE
10
NNE
10
N
10
N
10
E
5
E
 mm 
1
1
2
6
2
1
1
max°C
8
8
8
7
8
7
7
7
7
6
7
7
6
8
7
7
7
7
7
7
5
6
6
5
6
7
6
6
6
6
6
6
5
5
7
6
5
5
5
5
5
5
4
6
6
7
9
Moonrise
12:36
1:46
2:55
4:00
4:57
5:44
6:21
6:49
7:11
7:29
7:45
8:00
8:15
8:33
8:54
9:21
Moonset
9:50
10:12
10:41
11:20
12:10
1:11
2:21
3:36
4:53
6:10
7:27
8:45
10:05
11:27
12:51
Sunrise
7:30
7:28
7:26
7:24
7:24
7:22
7:20
7:18
7:16
7:15
7:13
7:11
7:09
7:07
7:05
7:03
Sunset
5:22
5:22
5:24
5:27
5:28
5:30
5:31
5:32
5:35
5:37
5:37
5:39
5:40
5:43
5:45
5:45
Today's sea temperature in Friday Harbor, San Juan Channel is
8.6° C
(Statistics for 08 Feb 1981-2005 – mean: 7.7 max: 9.4 min: 5.8°C)
Issued (local time): 3 am Sunday 08 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest