Unalaska Sea Conditions and Tide Table

Unalaska 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 10:18 AM and sunset is at 05:44 PM.

Days 1–3 Weather Summary

Mostly dry. Icy conditions (max 3°C on Thu afternoon, min -2°C on Wed night). Winds decreasing (strong winds from the N on Tue morning, light winds from the WNW by Thu night).

Days 4–6 Weather Summary

Light rain (total 6mm), mostly falling on Sun night. Icy conditions (max 4°C on Fri afternoon, min 0°C on Fri night). Winds increasing (light winds from the WNW on Fri morning, strong winds from the W by Sun night).

Days 7–9 Weather Summary

A dusting of snow. Milder later with heavy rain (total 20mm) on Mon night. Freeze-thaw conditions (max 5°C on Mon night, min -3°C on Wed night). Mainly gales.

Days 10–12 Weather Summary

A light covering of new snow, mostly falling on Thu night. Becoming milder with light rain (total 4mm) on Sat afternoon. Freeze-thaw conditions (max 3°C on Sat night, min -3°C on Thu night). Winds decreasing (near gales from the NNW on Fri night, fresh winds from the NNW by Sun morning).

Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
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
High Tide
6:25AM1.06m
1:42PM1.20m
8:00AM1.14m
1:36PM1.21m
1:29PM1.22m
10:22AM1.23m
1:18PM1.24m
10:39AM1.26m
10:53AM1.26m
11:06AM1.27m
11:17AM1.26m
11:25AM1.25m
11:30AM1.23m
8:07PM0.85m
11:34AM1.23m
10:25PM0.78m
11:39AM1.25m
00:23AM0.77m
Low Tide
8:45AM1.04m
10:27PM-0.00m
9:21AM1.14m
11:01PM-0.03m
11:36PM-0.04m
11:24AM1.23m
00:12AM-0.05m
00:49AM-0.05m
1:27AM-0.03m
2:05AM-0.00m
2:41AM0.06m
3:15AM0.16m
6:10PM0.84m
6:19PM0.65m
6:45PM0.44m
Wave
height (m) 
direction
period (s) 
3.5
NNW
10
3
NNW
10
2.5
N
9
2.4
N
8
2.2
N
8
1.6
N
7
1.2
N
6
1.1
NNW
7
1.2
NW
6
0.8
NW
7
0.8
WNW
8
0.9
NNW
5
0.9
NNW
6
0.8
NNW
6
0.9
NNW
5
0.9
NNW
6
1.2
NW
6
1.9
WNW
5
2.2
WNW
8
1.9
WNW
10
3
WNW
12
3
WNW
10
3
WNW
10
3
NW
11
2.5
NW
12
2.3
NW
12
4.5
NW
11
4.5
NW
12
4
NW
11
3.5
NNW
10
4
NNW
10
5
NNW
10
4.5
N
10
4
N
10
3
N
9
3
NNW
8
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
light rain
light rain
light rain
light rain
light snow
rain showers
cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
light snow
light snow
light snow
snow showers
cloud
light rain
rain showers
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
light rain
light rain
light rain
light rain
light snow
rain shwrs
cloudy
some clouds
cloudy
some clouds
some clouds
cloudy
cloudy
cloudy
light snow
light snow
light snow
snow shwrs
cloudy
light rain
rain shwrs
 km/h
40
N
30
NNW
30
NW
30
NW
25
NNW
20
NW
15
W
20
W
15
WNW
15
W
15
WNW
15
WNW
20
WNW
15
WNW
15
W
15
WSW
15
WSW
45
W
40
W
5
SSW
55
W
30
WNW
35
WNW
20
WNW
10
W
10
W
60
WNW
45
NNW
35
NW
50
NNW
50
NNW
55
NNW
50
N
55
NNW
45
NNW
50
NW
 mm 
1
2
3
2
6
12
1
2
max°C
1
1
1
0
0
-1
1
3
3
3
4
2
1
3
3
3
4
4
2
4
5
3
2
1
1
1
1
-2
-2
-2
-3
-2
0
1
2
3
Moonrise
7:32
8:48
10:00
11:01
11:48
12:20
12:43
12:58
1:10
1:19
1:28
1:37
Moonset
3:14
3:35
4:07
4:53
5:55
7:09
8:29
9:50
11:12
12:33
1:56
Sunrise
10:18
10:18
10:19
10:21
10:21
10:22
10:22
10:22
10:22
10:23
10:23
10:23
Sunset
5:44
5:44
5:45
5:45
5:45
5:45
5:45
5:46
5:47
5:47
5:49
5:50
Today's sea temperature in Unalaska is
5.7° C
(Statistics for 16 Dec 1981-2005 – mean: 5.1 max: 5.8 min: 4.2°C)
Issued (local time): 8 am Tuesday 16 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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