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 08:04 AM and sunset is at 10:07 PM.

Days 1–3 Weather Summary

A light covering of new snow, mostly falling on Fri night. Becoming milder with moderate rain (total 12mm) heaviest on Fri night. Low air temperatures (max 6°C on Wed morning, min 2°C on Wed night). Wind will be generally light.

Days 4–6 Weather Summary

Moderate rain (total 12mm) heaviest on Sat night, then becoming colder with a dusting of snow on Sun night. Icy conditions (max 6°C on Sat afternoon, min -2°C on Mon night). Winds decreasing (near gales from the SW on Sun afternoon, light winds from the WNW by Mon night).

Days 7–9 Weather Summary

A heavy fall of snow, heaviest during Wed morning. Temperatures will be below freezing (max 0°C on Tue morning, min -4°C on Thu night). Winds increasing (calm on Tue morning, near gales from the N by Wed night).

Days 10–12 Weather Summary

A dusting of snow giving way to moderate rain (total 17mm) heaviest on Sat night. Freeze-thaw conditions (max 3°C on Sat night, min -3°C on Fri night). Winds increasing (calm on Fri afternoon, near gales from the E by Sat night).

Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thu
30
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
High Tide
5:17PM0.80m
4:36AM0.95m
6:53PM0.83m
4:59AM1.01m
8:29PM0.89m
9:53PM0.98m
11:00PM1.05m
7:18AM1.12m
11:54PM1.10m
8:27AM1.12m
00:42AM1.12m
9:42AM1.10m
1:25AM1.12m
10:57AM1.06m
2:06AM1.12m
12:13PM1.01m
2:44AM1.10m
1:30PM0.94m
3:19AM1.08m
2:50PM0.87m
3:50AM1.05m
4:14PM0.82m
4:17AM1.02m
5:44PM0.81m
4:38AM0.98m
Low Tide
10:57AM0.28m
10:35PM0.51m
11:46AM0.10m
11:18PM0.66m
12:40PM-0.07m
00:15AM0.79m
1:36PM-0.22m
1:27AM0.89m
2:36PM-0.34m
2:49AM0.93m
3:36PM-0.40m
4:07AM0.92m
4:35PM-0.42m
5:18AM0.87m
5:34PM-0.40m
6:23AM0.78m
6:31PM-0.32m
7:26AM0.67m
7:25PM-0.20m
8:28AM0.54m
8:16PM-0.04m
9:27AM0.41m
9:05PM0.14m
10:23AM0.27m
9:53PM0.34m
11:15AM0.16m
10:42PM0.52m
12:02PM0.06m
Wave
height (m) 
direction
period (s) 
0.3
WNW
7
0.4
WNW
7
0.6
W
6
0.8
W
8
0.9
WNW
8
0.9
WNW
6
0.9
WNW
6
0.8
WNW
6
0.9
SE
4
0.6
WSW
5
0.7
SW
5
1
WSW
5
1.3
WSW
5
1.7
WSW
6
3
WNW
7
3
NW
10
3
NW
10
2.2
NW
9
1.7
NW
8
1.3
NW
8
1.1
NW
8
1.8
NE
6
2.5
NNE
8
4
NNE
10
3.5
NNE
9
3
N
9
2.1
N
8
1.4
N
7
1.1
N
6
0.7
N
6
1.1
ESE
4
1.6
E
5
2.3
ENE
6
1.2
NE
7
0.8
NE
7
0.6
NE
6
0.4
NNE
5
0.5
NE
5
0.4
NE
5
0.7
E
3
1
ENE
5
1.5
ENE
5
1
ENE
7
1.2
NW
6
0.8
WNW
7
0.7
WNW
7
0.7
WSW
4
part cloud
part cloud
clear
cloud
rain showers
clear
part cloud
cloud
mod snow
rain showers
light rain
rain showers
part cloud
rain showers
snow showers
cloud
cloud
cloud
part cloud
cloud
light snow
mod snow
light snow
mod snow
cloud
cloud
cloud
part cloud
part cloud
part cloud
light snow
light rain
heavy rain
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
light rain
light rain
heavy rain
light snow
clear
clear
part cloud
part cloud
some clouds
some clouds
clear
cloudy
rain shwrs
clear
some clouds
cloudy
mod snow
rain shwrs
light rain
rain shwrs
some clouds
rain shwrs
snow shwrs
cloudy
cloudy
cloudy
some clouds
cloudy
light snow
mod snow
light snow
mod snow
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
light snow
light rain
heavy rain
rain shwrs
some clouds
some clouds
some clouds
some clouds
some clouds
light rain
light rain
heavy rain
light snow
clear
clear
some clouds
some clouds
 km/h
5
W
10
WNW
10
SSW
5
SW
10
WSW
15
WSW
10
SW
10
SE
25
SSE
20
S
25
S
25
S
40
SW
40
SW
45
W
35
WNW
40
NW
20
NW
10
NW
10
ENE
30
E
45
NE
40
NNE
45
N
50
NNW
45
NNW
25
NW
15
WNW
5
NNW
15
SSE
35
SE
45
ESE
55
E
25
SSE
10
S
10
SSE
10
SSE
15
SSE
10
SSE
25
ESE
25
E
30
ENE
5
WNW
25
WSW
20
SW
20
SW
30
SW
 mm 
1
11
1
3
7
1
5
11
1
1
3
20
3
max°C
6
5
4
4
4
3
4
5
5
5
6
6
3
3
2
-1
-1
-1
0
0
0
0
0
-2
-2
-1
-2
-1
-1
0
1
2
3
3
3
3
4
4
3
4
3
3
3
4
4
4
4
Moonrise
7:19
7:29
7:42
7:58
8:24
9:03
10:03
11:22
12:52
2:21
3:47
5:09
6:27
7:45
9:02
Moonset
8:26
9:57
11:34
1:12
2:45
4:01
4:53
5:26
5:47
6:01
6:12
6:20
6:29
6:37
6:46
Sunrise
8:04
8:03
8:00
7:58
7:56
7:54
7:52
7:48
7:47
7:45
7:43
7:41
7:37
7:35
7:33
7:31
Sunset
10:07
10:08
10:10
10:13
10:15
10:15
10:17
10:20
10:22
10:23
10:25
10:28
10:29
10:30
10:32
10:35
Today's sea temperature in Unalaska is
3.1° C
(Statistics for 15 Apr 1981-2005 – mean: 4.2 max: 5.1 min: 3.1°C)
Issued (local time): 9 am Wednesday 15 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest