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 11:55 PM.

Days 1–4 Weather Summary

Light rain (total 4mm), mostly falling on Wed night. Low air temperatures (max 9°C on Fri morning, min 6°C on Wed afternoon). Winds increasing (light winds from the ENE on Tue night, fresh winds from the WNW by Fri morning).

Days 5–7 Weather Summary

Mostly dry. Cool air temperatures (max 10°C on Fri afternoon, min 6°C on Sat afternoon). Winds increasing (calm on Sat night, fresh winds from the ENE by Mon morning).

Days 8–10 Weather Summary

Some drizzle, heaviest during Thu morning. Mild temperatures (max 9°C on Wed night, min 6°C on Tue night). Winds decreasing (fresh winds from the NE on Mon night, light winds from the WSW by Wed night).

Days 11–13 Weather Summary

Light rain (total 2mm), mostly falling on Thu afternoon. Very mild (max 13°C on Sun morning, min 6°C on Fri afternoon). Wind will be generally light.

Days 14–17 Weather Summary

Moderate rain (total 15mm), heaviest on Tue morning. Very mild (max 14°C on Mon afternoon, min 7°C on Tue night). Wind will be generally light.

Tue
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
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
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
High Tide
3:29PM0.66m
1:26AM1.19m
1:48AM1.19m
2:08AM1.19m
2:28AM1.18m
2:46AM1.17m
3:04AM1.16m
00:00AM1.14m
11:52PM1.14m
11:56PM1.13m
11:59PM1.10m
11:59PM1.07m
7:10AM0.88m
11:56PM1.05m
8:50AM0.78m
11:53PM1.04m
10:32AM0.68m
11:51PM1.07m
12:25PM0.63m
Low Tide
6:33PM0.61m
9:35AM-0.02m
10:23AM-0.12m
11:09AM-0.19m
11:54AM-0.23m
12:36PM-0.26m
1:16PM-0.27m
1:20AM1.14m
1:54PM-0.26m
2:28PM-0.23m
3:00PM-0.19m
3:29PM-0.11m
5:34AM0.88m
3:56PM0.00m
5:57AM0.73m
4:21PM0.14m
6:27AM0.56m
4:41PM0.31m
7:03AM0.36m
Wave
Height (m)
Direction
Period (s)
0.9
ENE
6
0.7
ENE
6
0.8
ENE
6
0.8
ENE
6
0.9
ENE
6
1
NE
6
1.1
NE
6
1.1
NE
6
1.3
N
6
1.3
NNW
6
1.2
NNE
7
0.9
NE
7
0.7
NE
6
0.6
NNE
6
0.4
NNE
6
0.4
NNE
5
0.4
NNE
7
0.9
NE
4
1.6
NE
6
2.1
NE
7
2.1
ENE
8
1.9
ENE
8
1.6
ENE
8
1.3
ENE
8
1.1
NE
7
0.9
NE
7
0.6
NE
6
0.7
N
6
0.6
NNW
6
0.7
NW
5
0.6
NW
5
0.5
NW
5
0.5
NW
5
0.6
NW
4
0.6
NW
5
0.6
NW
6
0.6
NW
6
0.8
WNW
7
0.7
NW
8
0.7
NW
7
0.6
NW
7
0.7
WNW
7
1.2
WNW
9
1
W
9
0.7
W
9
0.5
W
8
0.5
W
8
cloud
cloud
cloud
cloud
light rain
cloud
cloud
light rain
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
part cloud
light rain
rain showers
part cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
cloud
part cloud
mod rain
light rain
cloud
light rain
part cloud
part cloud
cloudy
cloudy
cloudy
cloudy
light rain
cloudy
cloudy
light rain
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
clear
clear
some clouds
light rain
rain shwrs
some clouds
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
cloudy
some clouds
mod rain
light rain
cloudy
light rain
some clouds
some clouds
km/h
15
ESE
10
ENE
20
NW
20
NW
20
NW
20
WNW
20
NW
20
WNW
30
WNW
30
W
20
WNW
20
WNW
10
NW
5
SSW
5
ESE
15
ESE
15
E
30
ENE
35
NE
40
NE
30
NNE
25
N
20
NNW
15
WNW
10
NW
10
WSW
15
SW
10
WSW
15
W
20
WNW
15
NW
10
WNW
5
WSW
15
WNW
15
WNW
15
WNW
20
NW
20
WNW
10
W
5
SW
10
SW
15
SSW
20
SW
15
WNW
10
N
10
NNE
10
N
 mm
3
1
1
2
10
3
2
max °C
7
7
7
7
7
7
7
8
9
10
10
7
6
7
7
7
7
7
7
7
7
7
7
8
7
9
8
8
9
8
6
7
8
8
12
13
13
12
12
14
14
10
8
8
8
8
8
Moonrise
6:19
7:35
8:50
10:02
11:06
11:59
12:37
1:05
1:25
1:39
1:51
2:01
2:11
2:21
2:33
Moonset
3:39
3:54
4:14
4:43
5:23
6:17
7:23
8:37
9:54
11:11
12:28
1:45
3:04
4:26
5:52
Sunrise
7:01
7:01
7:01
7:03
7:03
7:03
7:05
7:05
7:05
7:07
7:07
7:09
7:09
7:11
7:11
Sunset
11:55
11:55
11:55
11:55
11:55
11:55
11:55
11:54
11:54
11:54
11:53
11:53
11:52
11:52
11:52
11:51
Today's sea temperature in Chichagof Harbor, Attu Island is
5.5° C
(Statistics for 23 Jun 1981-2005 – mean: 6.3 max: 7.3 min: 5.0°C)
Issued (local time): 2 pm Tuesday 23 Jun 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest