Alert Sea Conditions and Tide Table

Alert 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 — and sunset is at 12:00 AM.

Days 1–4 Weather Summary

A dusting of new snow. Extremely cold air temperatures (max -16°C on Sat morning, min -27°C on Thu afternoon). Wind will be generally light.

Days 5–7 Weather Summary

A dusting of new snow. Air temperatures will be below freezing (max -5°C on Mon night, min -22°C on Sun afternoon). Mainly strong winds.

Days 8–10 Weather Summary

Mostly dry. Temperatures will be well below freezing (max -6°C on Thu afternoon, min -24°C on Sat morning). Winds decreasing (near gales from the SW on Thu afternoon, calm by Fri night).

Days 11–13 Weather Summary

Mostly dry. Extremely cold (max -16°C on Sat night, min -30°C on Mon night). Wind will be generally light.

Thu
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
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
Wave Height Map
High Tide
8:53PM0.79m
9:46AM0.68m
9:29PM0.82m
10:20AM0.70m
10:04PM0.83m
10:53AM0.71m
10:39PM0.82m
11:26AM0.70m
11:12PM0.80m
12:00PM0.69m
11:46PM0.76m
12:36PM0.68m
00:23AM0.71m
1:15PM0.66m
1:04AM0.66m
1:58PM0.65m
1:51AM0.61m
2:46PM0.64m
2:48AM0.56m
3:44PM0.64m
4:10AM0.53m
4:51PM0.66m
5:42AM0.53m
Low Tide
2:40PM0.32m
3:27AM0.20m
3:15PM0.33m
4:02AM0.19m
3:49PM0.32m
4:36AM0.18m
4:21PM0.31m
5:09AM0.17m
4:54PM0.29m
5:43AM0.17m
5:30PM0.28m
6:17AM0.16m
6:10PM0.28m
6:52AM0.17m
6:57PM0.28m
7:30AM0.18m
7:54PM0.28m
8:13AM0.21m
8:58PM0.28m
9:04AM0.24m
10:07PM0.27m
10:05AM0.27m
11:23PM0.25m
11:15AM0.30m
Wave
height (m) 
direction
period (s) 
cloud
part cloud
part cloud
part cloud
part cloud
light snow
part cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
clear
clear
light snow
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
clear
clear
part cloud
cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
cloud
cloudy
some clouds
some clouds
some clouds
some clouds
light snow
some clouds
cloudy
cloudy
cloudy
some clouds
some clouds
cloudy
clear
clear
light snow
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
clear
clear
some clouds
cloudy
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
clear
some clouds
some clouds
cloudy
 km/h
0
WSW
5
W
5
WSW
5
WSW
10
WSW
5
SSW
10
SSW
5
SSW
5
NW
5
NNW
0
WSW
5
S
0
S
30
SSW
20
SW
10
WSW
5
SW
10
W
10
WNW
5
WNW
10
N
20
S
25
SSW
20
SSW
15
SW
5
WSW
5
WSW
10
SSW
15
SW
25
SSW
5
SW
10
SSE
15
SW
10
SW
10
W
5
WSW
 mm 
max°C
-27
-27
-26
-26
-17
-16
-16
-17
-23
-21
-20
-19
-15
-5
-15
-12
-12
-18
-21
-20
-19
-6
-10
-17
-19
-20
-24
-22
-16
-16
-23
-24
-26
-27
-28
-30
Moonrise
11:38
9:18
Moonset
10:40
Sunrise
12:00
12:00
12:00
12:00
12:00
12:00
12:00
12:00
12:00
12:00
12:00
12:00
Sunset
12:00
12:00
12:00
12:00
12:00
12:00
12:00
12:00
12:00
12:00
12:00
12:00
Today's sea temperature in Alert is
-1.8° C
(Statistics for 18 Dec 1981-2005 – mean: -1.9 max: -1.8 min: -1.9°C)
Issued (local time): 6 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest