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 07:31 PM.

Days 1–4 Weather Summary

A dusting of snow giving way to moderate rain (total 12mm) heaviest on Wed night. Icy conditions (max 4°C on Wed night, min -1°C on Thu night). Winds decreasing (near gales from the SE on Wed night, light winds from the S by Sat afternoon).

Days 5–7 Weather Summary

A light covering of new snow, mostly falling on Sat night. Becoming milder with light rain (total 2mm) on Mon night. Icy conditions (max 3°C on Sat night, min 0°C on Sun morning). Winds decreasing (gales from the SSE on Sat night, light winds from the SW by Sun night).

Days 8–10 Weather Summary

A dusting of snow turning to light rain (total 8mm) on Thu afternoon. Freeze-thaw conditions (max 5°C on Thu night, min 0°C on Tue night). Winds increasing (light winds from the S on Wed night, gales from the SSE by Thu afternoon).

Days 11–13 Weather Summary

Mostly dry. Freeze-thaw conditions (max 2°C on Fri night, min 0°C on Sat morning). Winds increasing (calm on Sat morning, near gales from the ENE by Mon night).

Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Fri
27
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
AM
Wave Height Map
High Tide
11:42AM1.26m
12:16PM1.25m
12:57PM1.22m
1:50PM1.16m
9:12AM1.03m
3:01PM1.09m
8:34AM0.99m
4:27PM1.01m
8:21AM0.97m
5:56PM0.93m
8:15AM0.97m
7:21PM0.88m
8:14AM1.00m
8:45PM0.84m
8:20AM1.07m
10:09PM0.83m
8:35AM1.16m
11:39PM0.82m
8:59AM1.25m
1:39AM0.83m
9:32AM1.33m
10:14AM1.37m
11:03AM1.37m
Low Tide
8:21PM-0.03m
9:12PM-0.05m
10:02PM-0.08m
10:48PM-0.08m
11:30PM-0.06m
10:53AM1.03m
00:08AM-0.01m
12:27PM0.91m
00:43AM0.08m
1:20PM0.76m
1:15AM0.20m
2:04PM0.57m
1:44AM0.34m
2:46PM0.37m
2:10AM0.50m
3:30PM0.17m
2:31AM0.64m
4:17PM-0.01m
2:45AM0.75m
5:08PM-0.14m
6:03PM-0.23m
7:02PM-0.27m
Wave
height (m) 
direction
period (s) 
3
NNE
12
2
NNE
11
1.9
NNE
10
2
NW
12
2
WNW
13
1.9
WNW
12
1.7
WNW
12
1.7
WNW
12
1.5
WNW
12
2.3
SE
6
1.9
WNW
10
1.9
WNW
8
1.8
NNW
9
1.6
NNW
8
1.7
NNE
7
1.2
S
13
1.8
SW
13
2.2
WNW
10
2.4
WNW
9
1.9
WNW
10
1.6
NW
9
1.5
NNW
9
2.4
SE
6
2.5
SE
7
1.1
ESE
8
1.1
W
10
1.4
WNW
11
1.3
WNW
12
0.9
WNW
11
0.8
WNW
10
0.6
W
10
0.6
W
9
0.6
W
10
0.9
ENE
5
2.1
NE
6
2.5
NE
8
4
ENE
9
4.5
ENE
10
4.5
ENE
10
4
ENE
10
3
ENE
9
2.5
ENE
8
2.5
ENE
8
3.5
ENE
9
3.5
ENE
10
2.5
ENE
9
2.3
ENE
10
light snow
rain showers
part cloud
part cloud
part cloud
part cloud
snow showers
part cloud
part cloud
snow showers
clear
clear
part cloud
cloud
light snow
snow showers
clear
part cloud
part cloud
part cloud
part cloud
part cloud
light snow
light rain
rain showers
part cloud
part cloud
clear
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
part cloud
light snow
rain shwrs
some clouds
some clouds
some clouds
some clouds
snow shwrs
some clouds
some clouds
snow shwrs
clear
clear
some clouds
cloudy
light snow
snow shwrs
clear
some clouds
some clouds
some clouds
some clouds
some clouds
light snow
light rain
rain shwrs
some clouds
some clouds
clear
cloudy
cloudy
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
cloudy
cloudy
some clouds
some clouds
 km/h
60
SE
30
WSW
40
WSW
35
SW
30
SSW
40
S
45
SW
40
SSW
20
S
70
SSE
45
WSW
40
W
10
SW
50
S
55
S
40
SW
45
WSW
45
W
40
W
25
W
10
SW
35
SSE
65
SSE
60
SSE
15
WSW
10
SW
10
WSW
10
WSW
5
SSW
15
S
10
SSW
10
NNE
15
NNE
25
NE
45
NE
50
NE
60
ENE
60
E
60
E
55
E
40
E
35
ENE
45
E
55
E
45
E
35
ENE
25
NE
 mm 
9
3
2
5
3
max°C
4
4
1
1
0
1
0
1
0
3
1
1
0
1
1
2
1
1
1
1
1
1
2
4
5
1
2
2
1
0
1
1
0
1
1
1
1
0
0
0
0
0
0
0
0
1
-1
Moonrise
7:54
8:37
9:07
9:28
9:44
9:56
10:07
10:16
10:27
10:39
10:55
11:18
11:52
12:45
1:57
Moonset
2:02
3:08
4:25
5:46
7:09
8:32
9:54
11:18
12:44
2:13
3:45
5:14
6:31
7:29
8:08
Sunrise
9:48
9:47
9:45
9:42
9:41
9:38
9:37
9:34
9:32
9:30
9:27
9:26
9:23
9:22
9:18
9:17
Sunset
7:31
7:32
7:35
7:37
7:38
7:40
7:43
7:45
7:46
7:49
7:51
7:52
7:54
7:55
7:58
8:00
Today's sea temperature in Chichagof Harbor, Attu Island is
3.7° C
(Statistics for 11 Feb 1981-2005 – mean: 3.2 max: 4.0 min: 1.8°C)
Issued (local time): 7 pm Wednesday 11 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest