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 09:08 AM and sunset is at 09:30 PM.

Days 1–3 Weather Summary

Light rain (total 3mm), mostly falling on Mon afternoon. Cool air temperatures (max 12°C on Mon morning, min 9°C on Sun morning). Winds increasing (calm on Sun morning, fresh winds from the SE by Mon night).

Days 4–6 Weather Summary

Light rain (total 8mm), mostly falling on Thu night. Cool air temperatures (max 11°C on Thu night, min 8°C on Thu night). Winds increasing (light winds from the SSW on Thu afternoon, near gales from the W by Fri night).

Days 7–9 Weather Summary

Heavy rain (total 39mm), heaviest during Mon night. Very mild (max 10°C on Sat morning, min 9°C on Sat night). Winds increasing (light winds from the WSW on Sun afternoon, near gales from the ESE by Mon night).

Days 10–12 Weather Summary

Heavy rain (total 24mm), heaviest during Tue morning. Very mild (max 11°C on Tue morning, min 7°C on Wed night). Winds decreasing (stormy winds from the SW on Tue afternoon, light winds from the SW by Thu night).

Days 13–16 Weather Summary

Moderate rain (total 19mm), heaviest on Fri night. Very mild (max 10°C on Fri night, min 7°C on Fri morning). Mainly strong winds.

Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
1
Friday
2
Saturday
3
Sunday
4
Mon
5
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
PM
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
11:35PM0.88m
6:24PM0.75m
6:14PM0.73m
6:15PM0.72m
6:17PM0.71m
6:19PM0.72m
6:41AM0.72m
6:22PM0.74m
8:01AM0.77m
6:29PM0.79m
9:13AM0.82m
6:41PM0.86m
10:20AM0.86m
7:03PM0.94m
11:25AM0.89m
7:34PM1.02m
12:30PM0.89m
8:15PM1.07m
1:34PM0.87m
9:03PM1.10m
2:31PM0.84m
9:59PM1.08m
Low Tide
7:40AM-0.07m
8:34AM-0.02m
7:13PM0.75m
9:26AM0.03m
9:22PM0.70m
10:17AM0.09m
10:47PM0.61m
11:05AM0.17m
11:43PM0.49m
11:50AM0.28m
00:27AM0.34m
12:32PM0.40m
1:06AM0.18m
1:12PM0.52m
1:45AM0.01m
1:48PM0.64m
2:25AM-0.13m
2:19PM0.74m
3:08AM-0.25m
2:44PM0.81m
3:55AM-0.32m
3:08PM0.85m
4:45AM-0.34m
3:36PM0.85m
5:37AM-0.32m
4:21PM0.83m
6:33AM-0.25m
Wave
Height (m)
Direction
Period (s)
0.7
WSW
9
0.6
SW
11
0.6
SW
12
0.6
SW
11
0.6
SW
12
1.1
SE
5
1.3
SSW
8
1.2
SSW
8
1
SSW
8
1
SSW
8
1.2
SW
6
1.4
WSW
15
1.4
SW
14
1.4
SW
14
1.6
SW
12
1.9
SW
10
1.7
SW
10
2.1
SW
10
2.1
SW
10
1.7
WSW
10
1.3
WSW
9
0.9
WSW
8
0.9
WSW
8
0.8
WSW
8
0.7
WSW
7
0.6
WSW
7
1.1
SSE
4
3
S
9
4.5
SSW
12
4
SW
13
3
WSW
14
2.5
WSW
13
2.1
WSW
12
1.6
WSW
11
1.4
WSW
10
1
W
10
0.8
W
11
1.3
SE
6
1.8
SSW
9
1.6
SSW
9
1.9
SW
9
2.1
WSW
9
2.1
SW
9
1.9
SW
9
1.5
WSW
9
1.3
WSW
10
1.4
WSW
11
clear
part cloud
cloud
cloud
light rain
light rain
cloud
part cloud
part cloud
part cloud
part cloud
clear
cloud
light rain
light rain
part cloud
part cloud
rain showers
light rain
part cloud
clear
clear
cloud
clear
part cloud
part cloud
heavy rain
heavy rain
light rain
mod rain
light rain
cloud
clear
clear
clear
part cloud
cloud
light rain
rain showers
part cloud
part cloud
rain showers
part cloud
clear
rain showers
part cloud
part cloud
clear
some clouds
cloudy
cloudy
light rain
light rain
cloudy
some clouds
some clouds
some clouds
some clouds
clear
cloudy
light rain
light rain
some clouds
some clouds
rain shwrs
light rain
some clouds
clear
clear
cloudy
clear
some clouds
some clouds
heavy rain
heavy rain
light rain
mod rain
light rain
cloudy
clear
clear
clear
some clouds
cloudy
light rain
rain shwrs
some clouds
some clouds
rain shwrs
some clouds
clear
rain shwrs
some clouds
some clouds
km/h
0
S
10
SSW
10
WSW
5
WSW
15
S
30
ESE
15
ENE
5
ENE
5
N
25
WNW
40
WNW
30
WNW
20
WSW
15
SSW
30
S
40
W
35
W
50
WSW
35
WNW
30
WNW
25
WNW
15
W
5
WSW
10
WSW
10
WSW
15
S
40
SE
70
SSE
90
SW
75
W
55
NW
45
NW
45
NW
40
WNW
35
WNW
10
WNW
20
SE
35
SE
45
SSE
35
SW
40
SSW
40
SW
40
SW
35
W
25
NW
25
NW
25
NNW
 mm
1
2
2
4
2
1
38
13
3
7
1
1
15
2
1
max °C
9
11
11
12
11
10
10
11
11
10
10
10
10
10
11
9
10
9
10
10
10
9
10
10
10
10
10
11
11
9
9
8
8
7
8
7
7
9
10
10
10
10
9
10
9
8
8
Moonrise
7:39
7:59
8:14
8:27
8:37
8:48
8:58
9:11
9:27
9:50
10:24
11:15
12:25
1:49
3:18
Moonset
1:52
3:06
4:23
5:41
7:00
8:19
9:40
11:04
12:32
2:03
3:31
4:50
5:51
6:32
7:00
7:19
Sunrise
9:08
9:11
9:11
9:14
9:15
9:17
9:18
9:21
9:22
9:23
9:26
9:27
9:29
9:30
9:33
9:34
Sunset
9:30
9:28
9:25
9:22
9:21
9:17
9:15
9:14
9:10
9:08
9:06
9:04
9:01
8:59
8:57
8:54
Today's sea temperature in Massacre Bay, Attu Island is
9.6°C
(Statistics for 20 Sep 1981-2005 – mean: 9.0 max: 10.0 min: 7.7°C)
Issued (local time): 8 am Sunday 20 Sep 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest