Massacre Bay, Attu Island Sea Conditions and Tide Table

Massacre Bay, 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 11:40 PM.

Days 1–4 Weather Summary

Heavy rain (total 21mm), heaviest during Mon night. Cool air temperatures (max 12°C on Mon afternoon, min 8°C on Sat night). Winds increasing (light winds from the WSW on Sun morning, strong winds from the SSW by Mon night).

Days 5–7 Weather Summary

Heavy rain (total 51mm), heaviest during Fri morning. Cool air temperatures (max 11°C on Fri morning, min 8°C on Wed night). Wind will be generally light.

Days 8–10 Weather Summary

Heavy rain (total 47mm), heaviest during Sat night. Very mild (max 12°C on Sat night, min 9°C on Fri afternoon). Winds decreasing (fresh winds from the S on Sat night, light winds from the WSW by Mon morning).

Days 11–13 Weather Summary

Mostly dry. Very mild (max 13°C on Thu morning, min 9°C on Tue morning). Wind will be generally light.

Days 14–17 Weather Summary

Light rain (total 7mm), mostly falling on Fri afternoon. Very mild (max 19°C on Sun afternoon, min 9°C on Fri morning). Mainly fresh winds.

Sat
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
31
Saturday
1
Sunday
2
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
10:44PM1.02m
10:17AM0.74m
11:05PM1.05m
11:49AM0.67m
11:28PM1.07m
1:29PM0.65m
11:51PM1.09m
3:31PM0.68m
00:14AM1.09m
00:39AM1.09m
1:05AM1.08m
1:33AM1.07m
2:06AM1.06m
2:43AM1.03m
3:28AM0.99m
10:38PM0.94m
10:28PM0.92m
10:22PM0.90m
7:05AM0.78m
Low Tide
3:40PM0.05m
5:01AM0.39m
4:16PM0.22m
5:58AM0.23m
4:49PM0.39m
6:52AM0.09m
5:16PM0.54m
7:43AM-0.01m
5:26PM0.66m
8:34AM-0.08m
9:26AM-0.12m
10:17AM-0.15m
11:07AM-0.17m
11:54AM-0.18m
12:36PM-0.18m
1:14PM-0.16m
1:45AM0.91m
1:48PM-0.11m
2:44AM0.82m
2:19PM-0.04m
3:25AM0.71m
2:47PM0.06m
Wave
Height (m)
Direction
Period (s)
0.6
WSW
8
0.7
WSW
7
0.6
WSW
6
0.7
WSW
6
0.9
WSW
6
1
WSW
6
1.1
WSW
6
0.9
SW
5
1.7
SSW
7
1.7
SSW
7
1.4
SSW
9
1.1
SSW
9
1
SSW
9
0.9
S
9
0.9
SSW
9
0.9
SSW
8
0.8
SSW
8
0.7
S
8
0.6
S
8
0.7
S
8
0.9
S
8
1
S
6
1.3
SSW
7
1.2
S
8
1
S
8
0.8
SSW
8
0.7
S
8
0.6
S
9
0.7
S
8
0.7
S
9
0.6
S
9
0.5
S
10
0.4
SSE
11
0.4
SSE
11
0.4
SSW
15
0.5
S
14
0.5
S
14
0.6
SSW
16
0.8
SW
8
1.1
SW
8
1
SW
14
0.8
SW
13
0.8
SW
13
0.8
SW
12
1
SSW
16
1.1
SSW
16
1.3
SSW
16
part cloud
cloud
part cloud
cloud
cloud
cloud
cloud
heavy rain
mod rain
light rain
light rain
light rain
light rain
heavy rain
cloud
part cloud
rain showers
heavy rain
light rain
mod rain
light rain
light rain
heavy rain
mod rain
light rain
cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
light rain
light rain
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
some clouds
cloudy
some clouds
cloudy
cloudy
cloudy
cloudy
heavy rain
mod rain
light rain
light rain
light rain
light rain
heavy rain
cloudy
some clouds
rain shwrs
heavy rain
light rain
mod rain
light rain
light rain
heavy rain
mod rain
light rain
cloudy
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
clear
clear
clear
clear
some clouds
light rain
light rain
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
km/h
10
W
10
WNW
10
W
15
W
25
W
25
WSW
25
WSW
20
SSW
35
SSW
30
SW
20
SW
15
SSW
5
W
20
NE
15
NNE
10
NNW
10
NE
10
SE
15
SSE
20
S
20
S
20
SSE
30
S
20
S
15
S
15
S
5
WSW
10
WSW
15
WSW
15
WSW
10
W
10
WSW
5
WSW
10
WSW
10
W
10
W
15
WSW
15
WSW
20
SW
20
SW
15
WSW
15
WSW
15
WSW
20
WSW
25
W
30
W
30
WSW
 mm
13
8
4
1
1
3
17
4
21
1
7
4
5
19
9
2
2
5
max °C
9
8
9
10
11
10
12
11
10
10
10
10
9
8
8
9
9
11
10
11
10
11
12
11
11
10
10
10
10
10
10
12
11
12
12
13
13
13
9
11
16
16
16
16
18
19
18
Moonrise
2:47
4:04
5:21
6:37
7:51
8:58
9:55
10:38
11:09
11:31
11:47
12:00
12:10
12:20
Moonset
1:24
1:34
1:45
1:59
2:18
2:44
3:20
4:10
5:13
6:25
7:42
9:00
10:17
11:35
12:53
Sunrise
7:24
7:26
7:28
7:30
7:31
7:33
7:33
7:35
7:37
7:39
7:39
7:41
7:43
7:45
7:47
Sunset
11:40
11:39
11:38
11:37
11:36
11:34
11:32
11:30
11:30
11:28
11:27
11:24
11:23
11:22
11:20
11:17
Today's sea temperature in Massacre Bay, Attu Island is
7.4° C
(Statistics for 18 Jul 1981-2005 – mean: 8.1 max: 9.3 min: 6.4°C)
Issued (local time): 2 pm Saturday 18 Jul 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest