Anchorage (Knik Arm) Sea Conditions and Tide Table

Anchorage (Knik Arm) 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 09:57 AM and sunset is at 03:44 PM.

Days 1–3 Weather Summary

Mostly dry. Extremely cold air temperatures (max -11°C on Tue afternoon, min -16°C on Mon morning). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Air temperatures will be below freezing (max -4°C on Fri night, min -17°C on Thu night). Winds increasing (calm on Fri morning, fresh winds from the N by Fri night).

Days 7–9 Weather Summary

Mostly dry. Temperatures will be well below freezing (max -9°C on Sat morning, min -19°C on Mon night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Extremely cold (max -11°C on Thu night, min -19°C on Tue morning). Wind will be generally light.

Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
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
8:45AM9.57m
8:29PM9.75m
9:33AM9.35m
9:19PM9.23m
10:23AM9.05m
10:13PM8.59m
11:14AM8.73m
11:10PM7.92m
12:09PM8.44m
00:17AM7.34m
1:05PM8.22m
1:35AM6.99m
2:02PM8.10m
2:59AM6.93m
2:55PM8.08m
4:09AM7.12m
3:44PM8.15m
5:04AM7.41m
4:28PM8.28m
5:48AM7.72m
5:08PM8.45m
6:26AM8.01m
5:47PM8.63m
Low Tide
2:55PM1.63m
3:20AM-0.87m
3:48PM1.82m
4:11AM-0.26m
4:43PM2.03m
5:03AM0.45m
5:41PM2.19m
5:58AM1.18m
6:42PM2.25m
6:55AM1.84m
7:44PM2.15m
7:53AM2.36m
8:43PM1.90m
8:52AM2.69m
9:38PM1.55m
9:47AM2.85m
10:27PM1.16m
10:38AM2.87m
11:13PM0.77m
11:26AM2.79m
11:56PM0.44m
12:11PM2.68m
00:37AM0.17m
Wave
height (m) 
direction
period (s) 
0.4
N
3
0.2
N
2
0.3
N
2
0.1
N
2
0.1
N
2
0
W
2
0
E
1
0
W
1
0.1
N
2
0.2
N
2
0.2
N
2
0.2
N
2
0.3
N
2
0.2
N
2
0.1
N
2
0
W
2
0
W
1
0.1
N
1
0.5
N
3
0.4
N
3
0.3
NNE
2
0.3
N
2
0.3
N
2
0.2
N
2
0.2
N
2
0.1
N
2
0
W
2
0.1
N
2
0.1
N
2
0
W
2
0
W
2
0
W
2
0
W
1
0
W
2
0
W
2
0
W
2
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
cloudy
cloudy
cloudy
some clouds
clear
clear
clear
clear
clear
clear
cloudy
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
 km/h
15
N
10
NNE
10
N
5
NE
5
NE
5
ESE
5
E
5
NE
5
NNE
10
NNE
10
N
10
NNE
10
NE
10
NNE
5
ENE
5
E
0
NE
10
ENE
25
N
20
N
10
NE
15
NNE
15
N
10
NNE
10
NNE
5
ENE
5
E
5
NE
5
NE
5
ENE
5
ENE
5
E
5
SE
5
ENE
5
NNE
5
ENE
 mm 
max°C
-14
-13
-14
-15
-14
-14
-13
-11
-12
-13
-14
-15
-16
-16
-16
-15
-13
-4
-9
-11
-14
-15
-14
-14
-17
-16
-18
-19
-18
-16
-15
-14
-13
-12
-12
-11
Moonrise
6:39
8:34
10:17
11:52
1:21
2:48
4:15
5:45
7:18
8:57
10:38
Moonset
1:30
1:29
1:27
1:25
1:22
1:19
1:16
1:13
1:10
1:08
1:07
1:10
Sunrise
9:57
9:59
10:00
10:03
10:03
10:04
10:07
10:07
10:08
10:10
10:11
10:11
Sunset
3:44
3:42
3:41
3:41
3:41
3:40
3:40
3:40
3:40
3:40
3:40
3:40
Today's sea temperature in Anchorage (Knik Arm) is
-1.4° C
(Statistics for 07 Dec 1981-2005 – mean: 5.6 max: 7.0 min: 4.5°C)
Issued (local time): 2 am Sunday 07 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest