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 09:12 AM and sunset is at 09:15 PM.

Days 1–3 Weather Summary

A dusting of new snow. Air temperatures will be below freezing (max -2°C on Thu afternoon, min -11°C on Thu night). Winds increasing (moderate winds from the WNW on Wed night, strong winds from the NNW by Thu night).

Days 4–6 Weather Summary

Mostly dry. Air temperatures will be below freezing (max -2°C on Mon afternoon, min -8°C on Sat morning). Winds decreasing (fresh winds from the NNW on Sat morning, light winds from the NNW by Mon morning).

Days 7–9 Weather Summary

Mostly dry. Temperatures will be below freezing (max -1°C on Tue afternoon, min -5°C on Wed night). Winds decreasing (strong winds from the NNW on Wed afternoon, light winds from the WNW by Thu night).

Days 10–12 Weather Summary

A moderate fall of snow, heaviest on Sat night. Freeze-thaw conditions (max 3°C on Sat night, min -5°C on Mon morning). Mainly fresh winds.

Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
1
Thu
2
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
5:52PM0.87m
6:38AM0.89m
7:29PM0.85m
9:12PM0.87m
7:30AM1.00m
10:46PM0.93m
8:12AM1.06m
00:03AM1.00m
9:05AM1.11m
1:05AM1.05m
10:04AM1.15m
1:57AM1.06m
11:07AM1.17m
2:45AM1.06m
12:11PM1.17m
3:29AM1.05m
1:16PM1.14m
4:09AM1.02m
2:22PM1.08m
4:46AM1.00m
3:30PM1.00m
5:20AM0.98m
4:46PM0.92m
5:50AM0.95m
6:10PM0.86m
6:16AM0.92m
Low Tide
12:03PM0.50m
00:17AM0.40m
1:04PM0.34m
1:02AM0.54m
2:04PM0.17m
1:57AM0.68m
3:04PM0.00m
3:01AM0.78m
4:04PM-0.14m
4:09AM0.85m
5:03PM-0.25m
5:13AM0.88m
6:01PM-0.31m
6:14AM0.86m
6:58PM-0.33m
7:11AM0.82m
7:53PM-0.30m
8:09AM0.76m
8:46PM-0.22m
9:08AM0.67m
9:36PM-0.09m
10:09AM0.58m
10:25PM0.06m
11:10AM0.47m
11:13PM0.23m
12:09PM0.37m
00:03AM0.40m
1:05PM0.26m
Wave
height (m) 
direction
period (s) 
1.2
N
6
1.2
N
5
1.4
NW
6
1.3
NNW
6
1.4
NW
6
2.5
NNW
8
2.4
NNW
8
2.3
NNW
7
2.5
NNW
8
2.2
NNW
7
2
NNW
7
1.5
NNW
6
1.5
NNW
6
1.3
NNW
6
0.9
NNW
5
0.6
N
5
0.5
N
4
0.4
NNE
4
0.9
N
4
1.2
N
5
1.6
N
6
2
N
7
2.3
NNW
7
2.4
NNW
8
1.8
NNW
7
1.4
NNW
6
1.2
NNW
6
1.1
NW
6
0.9
NNW
5
0.6
NNW
5
0.5
WSW
5
1
ESE
4
1.4
ENE
6
0.7
NE
6
0.5
WNW
8
1.6
N
6
1.6
N
6
1.6
N
6
1.5
NNW
6
1.1
NNW
6
0.9
NNW
5
0.7
NW
5
0.4
WNW
8
0.4
WNW
7
0.4
WNW
7
0.4
WNW
7
0.6
WNW
7
part cloud
part cloud
cloud
cloud
cloud
light snow
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
light snow
snow showers
cloud
cloud
light snow
part cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
part cloud
clear
cloud
cloud
some clouds
some clouds
cloudy
cloudy
cloudy
light snow
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
clear
clear
some clouds
some clouds
some clouds
cloudy
cloudy
light snow
snow shwrs
cloudy
cloudy
light snow
some clouds
some clouds
some clouds
some clouds
clear
some clouds
cloudy
some clouds
clear
cloudy
cloudy
 km/h
20
NW
20
NW
25
NW
25
NNW
35
NW
45
NNW
40
NNW
45
NNW
40
NNW
35
NNW
35
NNW
25
NW
25
NW
25
NNW
15
NNW
10
NNW
10
N
15
NW
20
NW
25
NW
25
NNW
35
NNW
40
NNW
35
NNW
25
NW
20
NW
20
WNW
15
WNW
10
NW
5
E
20
SE
30
SE
10
ESE
5
SW
5
SSW
25
N
25
NNW
25
NNW
20
NW
15
NW
15
NW
10
NNW
5
NNE
10
NNE
5
NE
5
E
20
SE
 mm 
max°C
-4
-3
-3
-3
-2
-5
-9
-8
-7
-6
-5
-6
-3
-3
-5
-3
-2
-4
-3
-1
-3
-3
-3
-3
-2
-1
-1
0
1
0
1
1
3
2
2
1
-3
-3
-4
-2
-2
-4
-2
-1
-3
-1
0
Moonrise
9:03
9:12
9:23
9:36
9:55
10:23
11:08
12:13
1:35
3:05
4:34
5:59
7:21
8:41
9:59
Moonset
9:29
10:58
12:30
2:05
3:40
5:05
6:11
6:54
7:22
7:40
7:53
8:03
8:11
8:19
8:27
Sunrise
9:12
9:11
9:08
9:06
9:03
9:00
8:59
8:56
8:53
8:51
8:48
8:45
8:44
8:41
8:38
8:37
Sunset
9:15
9:16
9:19
9:21
9:22
9:23
9:25
9:28
9:30
9:31
9:34
9:36
9:37
9:38
9:40
9:43
Today's sea temperature in Unalaska is
3.2° C
(Statistics for 18 Mar 1981-2005 – mean: 3.9 max: 5.1 min: 3.1°C)
Issued (local time): 9 am Wednesday 18 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest