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 07:38 PM.

Days 1–4 Weather Summary

Light rain (total 9mm), mostly falling on Mon afternoon. Icy conditions (max 3°C on Sun night, min 0°C on Mon morning). Winds decreasing (near gales from the SW on Mon night, calm by Wed afternoon).

Days 5–7 Weather Summary

Moderate rain (total 13mm), heaviest on Thu afternoon. Low air temperatures (max 6°C on Thu night, min 1°C on Wed night). Winds decreasing (near gales from the ESE on Thu afternoon, light winds from the SW by Sat morning).

Days 8–10 Weather Summary

A dusting of snow turning to light rain (total 8mm) on Mon night. Freeze-thaw conditions (max 5°C on Tue morning, min -1°C on Mon night). Winds increasing (light winds from the S on Mon night, fresh winds from the SW by Tue afternoon).

Days 11–13 Weather Summary

Moderate rain (total 15mm), heaviest on Thu afternoon. Mild temperatures (max 8°C on Wed night, min 3°C on Thu morning). Mainly strong winds.

Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
1
Monday
2
Tue
3
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
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
12:02PM1.31m
1:11PM1.22m
6:43AM0.90m
2:34PM1.11m
6:44AM0.90m
Low Tide
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
8:03PM-0.28m
9:04PM-0.24m
10:03PM-0.18m
9:05AM0.87m
10:58PM-0.09m
11:02AM0.75m
Wave
height (m) 
direction
period (s) 
1.7
NNE
7
1.6
NNE
8
1.9
N
9
2.2
N
11
1.7
N
10
1.6
E
11
1.5
NNW
8
1.1
NNW
8
1
NNW
9
1
E
7
2.5
E
7
3.5
E
9
2.3
E
10
1.7
E
10
1.6
E
9
1.3
E
9
1
E
8
0.9
ESE
8
0.8
E
8
0.8
WSW
9
1.1
WNW
5
1.7
NNW
9
1.9
NNW
9
1.7
NNW
8
1
NNW
8
1.1
NW
7
1.6
NW
9
1.9
WNW
11
1.6
WNW
11
1.3
WNW
11
1.2
WNW
10
1.7
ESE
6
1.8
ESE
7
1.2
E
7
1.1
E
8
1
E
8
1.1
E
8
2.2
ESE
6
1.6
ESE
6
1.5
NW
10
1.7
WNW
11
1.5
WNW
11
1.3
NW
10
1.3
N
9
2.1
ENE
7
3.5
ENE
9
4
E
11
part cloud
cloud
rain showers
part cloud
clear
part cloud
part cloud
clear
clear
part cloud
cloud
light rain
mod rain
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
light snow
light rain
cloud
part cloud
clear
clear
part cloud
light rain
mod rain
light rain
part cloud
part cloud
light rain
light rain
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
some clouds
cloudy
rain shwrs
some clouds
clear
some clouds
some clouds
clear
clear
some clouds
cloudy
light rain
mod rain
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
some clouds
some clouds
some clouds
some clouds
light snow
light rain
cloudy
some clouds
clear
clear
some clouds
light rain
mod rain
light rain
some clouds
some clouds
light rain
light rain
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
 km/h
40
W
25
S
45
SW
55
SW
30
WNW
25
W
15
WSW
5
WSW
5
E
30
E
55
ESE
55
SE
25
S
35
S
45
S
40
SSW
20
SW
25
SW
15
WSW
15
W
30
NW
30
WNW
25
NW
20
WNW
20
SSW
30
SW
30
SW
25
SW
25
SW
20
SW
20
SSE
45
SE
35
SSE
20
S
20
S
20
S
30
SSE
60
SSE
50
SSW
35
SW
30
SW
25
SW
15
SE
30
ENE
45
NE
50
NE
45
NNE
 mm 
9
4
9
4
4
4
8
3
2
1
max°C
3
2
3
2
2
2
1
1
1
1
1
4
6
5
5
4
3
2
2
1
2
1
1
1
4
5
5
5
6
7
8
3
4
4
5
5
4
6
3
1
1
2
2
2
2
2
2
Moonrise
9:44
9:56
10:07
10:16
10:27
10:39
10:55
11:18
11:52
12:45
1:57
3:23
4:53
6:21
7:46
Moonset
7:09
8:32
9:54
11:18
12:44
2:13
3:45
5:14
6:31
7:29
8:08
8:34
8:51
9:04
9:14
Sunrise
9:41
9:38
9:37
9:34
9:32
9:30
9:27
9:26
9:23
9:22
9:18
9:17
9:15
9:12
9:10
9:07
Sunset
7:38
7:40
7:43
7:45
7:46
7:49
7:51
7:52
7:54
7:55
7:58
8:00
8:01
8:04
8:06
8:07
Today's sea temperature in Chichagof Harbor, Attu Island is
3.7° C
(Statistics for 15 Feb 1981-2005 – mean: 3.1 max: 3.9 min: 2.1°C)
Issued (local time): 7 pm Sunday 15 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest