Chichagof Harbor, Attu Island Sea Conditions and Tide Table

Chichagof Harbor, Attu Island 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 08:01 PM.

Days 1–4 Weather Summary

Mostly dry. Air temperatures will be below freezing (max 0°C on Fri afternoon, min -3°C on Sun morning). Winds decreasing (near gales from the NE on Fri afternoon, fresh winds from the NNE by Sat night).

Days 5–7 Weather Summary

Mostly dry. Air temperatures will be below freezing (max 0°C on Mon night, min -1°C on Mon afternoon). Winds decreasing (strong winds from the NE on Mon night, light winds from the N by Wed night).

Days 8–10 Weather Summary

Mostly dry. Freeze-thaw conditions (max 1°C on Sat afternoon, min -1°C on Thu afternoon). Winds decreasing (strong winds from the NNE on Thu afternoon, light winds from the SW by Sat afternoon).

Days 11–13 Weather Summary

A moderate fall of snow, heaviest on Tue night. Temperatures will be slightly above freezing (max 2°C on Sun night, min 1°C on Sun afternoon). Winds increasing (light winds from the W on Sun afternoon, near gales from the S by Tue night).

Fri
27
Saturday
28
Sunday
1
Monday
2
Tuesday
3
Wednesday
4
Thursday
5
Friday
6
Saturday
7
Sunday
8
Monday
9
Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
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
night
Wave Height Map
High Tide
12:02PM1.31m
1:11PM1.22m
6:43AM0.90m
2:34PM1.11m
6:44AM0.90m
4:06PM1.00m
6:59AM0.92m
5:37PM0.92m
7:17AM0.94m
7:01PM0.88m
7:37AM0.96m
8:18PM0.86m
7:56AM0.97m
9:29PM0.85m
8:15AM0.98m
10:38PM0.84m
8:34AM1.00m
11:47PM0.83m
8:55AM1.02m
1:07AM0.82m
9:18AM1.05m
9:46AM1.06m
10:19AM1.07m
10:58AM1.05m
Low Tide
9:04PM-0.24m
10:03PM-0.18m
9:05AM0.87m
10:58PM-0.09m
11:02AM0.75m
11:48PM0.02m
12:19PM0.59m
00:35AM0.16m
1:18PM0.42m
1:18AM0.29m
2:07PM0.26m
1:58AM0.42m
2:51PM0.14m
2:35AM0.55m
3:33PM0.04m
3:07AM0.65m
4:14PM-0.03m
3:31AM0.73m
4:57PM-0.07m
3:42AM0.79m
5:43PM-0.09m
6:32PM-0.09m
7:24PM-0.09m
Wave
height (m) 
direction
period (s) 
4.5
E
12
4
E
12
3.5
E
12
3
E
11
3
E
11
3.5
NE
9
3.5
NE
9
4
NE
10
3.5
NE
10
3.5
NE
10
3.5
NE
9
3.5
NE
9
3
NE
9
2.5
NE
8
1.9
NE
8
1.6
NE
8
1.5
NE
7
2.1
N
8
2.4
NE
8
2.1
NE
8
1.8
NE
8
1.6
NE
8
1.6
NE
8
1.6
NE
8
1.3
ENE
9
1.1
NNE
7
0.9
N
7
0.8
NNE
7
0.7
NNE
6
0.6
N
6
0.7
N
6
0.9
SSE
4
1.3
SSE
5
1.7
SE
6
1.8
SE
6
1.5
ESE
6
1.2
ESE
8
1.2
ESE
9
1
SE
8
0.9
ESE
16
2.2
ESE
6
3.5
E
9
3
E
9
1.9
E
9
1.3
ENE
8
1.4
NNE
11
1.6
NNW
12
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
cloud
cloud
cloud
light snow
heavy snow
light snow
snow showers
part cloud
cloud
light snow
light snow
light snow
light snow
light rain
cloud
cloud
light snow
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
cloudy
cloudy
some clouds
cloudy
cloudy
cloudy
light snow
heavy snow
light snow
snow shwrs
some clouds
cloudy
light snow
light snow
light snow
light snow
light rain
cloudy
cloudy
light snow
 km/h
50
NE
50
NE
40
NE
30
NNE
45
NNE
50
NE
50
NE
55
NE
50
NE
45
NE
50
NE
45
NE
40
NE
35
NNE
25
N
20
NNW
25
NNE
40
NNE
35
N
30
N
25
NNW
15
NW
20
W
15
WSW
15
WSW
15
WSW
10
WSW
10
W
10
SW
15
SSW
25
SSW
40
S
45
SSE
50
SSE
45
S
30
S
15
SW
25
SSW
5
SE
25
E
50
SE
55
ESE
35
SE
20
S
30
S
40
SSW
45
SW
 mm 
11
4
2
1
max°C
0
0
0
0
-1
-3
-3
-2
-1
-1
0
-1
-1
-1
-1
-1
-1
0
-1
-1
-1
-1
0
0
1
1
1
1
2
2
2
2
2
2
2
2
2
2
1
1
3
3
2
3
2
2
2
Moonrise
3:23
4:53
6:21
7:46
9:07
10:25
11:42
1:00
3:17
4:33
5:43
6:45
7:33
8:07
8:32
Moonset
8:34
8:51
9:04
9:14
9:24
9:33
9:43
9:56
11:12
11:34
12:06
12:51
1:50
3:02
4:21
Sunrise
9:15
9:12
9:10
9:07
9:06
9:03
9:00
8:59
9:56
8:53
8:52
8:49
8:47
8:45
8:41
Sunset
8:01
8:04
8:06
8:07
8:09
8:10
8:13
8:15
8:16
9:19
8:21
8:22
8:23
8:25
8:28
8:30
Today's sea temperature in Chichagof Harbor, Attu Island is
3.8° C
(Statistics for 27 Feb 1981-2005 – mean: 3.0 max: 3.7 min: 1.9°C)
Issued (local time): 1 pm Friday 27 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest