Northwest Harbor Sea Conditions and Tide Table

Northwest Harbor 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 04:24 PM.

Days 1–4 Weather Summary

A light covering of new snow, mostly falling on Fri night. Icy conditions (max 5°C on Thu afternoon, min -6°C on Thu night). Winds decreasing (strong winds from the NNW on Thu afternoon, light winds from the NE by Fri morning).

Days 5–7 Weather Summary

Moderate rain (total 13mm), heaviest on Sun night. Icy conditions (max 10°C on Mon afternoon, min -3°C on Tue afternoon). Winds increasing (light winds from the SW on Sun night, near gales from the W by Mon night).

Days 8–10 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 3°C on Fri morning, min -6°C on Thu morning). Mainly fresh winds.

Days 11–13 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 5°C on Mon afternoon, min -4°C on Sat night). Wind will be generally light.

Thu
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tue
6
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
1:38PM0.67m
2:20AM0.66m
2:27PM0.63m
3:10AM0.69m
3:20PM0.59m
4:03AM0.73m
4:18PM0.56m
4:58AM0.77m
5:18PM0.55m
5:52AM0.83m
6:16PM0.55m
6:46AM0.88m
7:06PM0.57m
7:38AM0.90m
8:04PM0.59m
8:32AM0.92m
8:58PM0.62m
9:27AM0.92m
9:51PM0.64m
10:20AM0.90m
10:45PM0.66m
11:12AM0.85m
11:38PM0.67m
12:03PM0.78m
Low Tide
7:53PM-0.05m
8:24AM0.04m
8:37PM-0.05m
9:20AM0.02m
9:23PM-0.04m
10:18AM-0.02m
10:13PM-0.03m
11:18AM-0.06m
11:06PM-0.04m
12:17PM-0.11m
00:03AM-0.05m
1:15PM-0.16m
00:58AM-0.07m
2:07PM-0.18m
1:55AM-0.10m
2:59PM-0.20m
2:51AM-0.12m
3:49PM-0.20m
3:46AM-0.13m
4:40PM-0.19m
4:41AM-0.12m
5:31PM-0.16m
5:41AM-0.08m
Wave
height (m) 
direction
period (s) 
0.8
WNW
3
0.7
N
4
0.5
ESE
11
0.2
ESE
11
0.5
E
3
0.8
E
4
0.5
ESE
12
0.4
SE
12
0.3
ESE
12
0.4
SE
12
0.5
S
5
0.9
S
7
1.2
S
9
1.3
S
9
1.2
S
9
1.1
WNW
4
0.8
W
4
0.9
SSW
7
0.9
SSW
8
0.8
NW
4
0.6
NW
3
0.5
WNW
3
0.5
W
3
0.6
SSW
6
0.6
S
6
0.8
S
7
0.7
NW
4
0.3
S
6
0.2
SSE
7
0.2
S
6
0.1
SE
8
0.2
SSE
7
0.3
SSW
4
0.4
SSW
4
0.3
SSW
4
0.2
SSE
9
clear
clear
part cloud
cloud
mod snow
part cloud
clear
clear
part cloud
cloud
heavy rain
cloud
light rain
part cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
snow showers
part cloud
clear
clear
clear
clear
clear
clear
cloud
cloud
part cloud
light snow
cloud
clear
clear
some clouds
cloudy
mod snow
some clouds
clear
clear
some clouds
cloudy
heavy rain
cloudy
light rain
some clouds
cloudy
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
snow shwrs
some clouds
clear
clear
clear
clear
clear
clear
cloudy
cloudy
some clouds
light snow
cloudy
 km/h
40
NW
30
NNW
20
NNE
10
ESE
25
E
25
NE
15
NNW
15
NW
20
WNW
20
WSW
20
SSW
20
SW
30
WSW
55
W
50
W
50
W
35
W
35
W
35
W
35
NW
30
WNW
30
WNW
30
WSW
25
WSW
25
W
35
WNW
30
NW
15
NW
15
WNW
10
W
10
WSW
15
SW
15
SW
20
WSW
10
NW
10
N
 mm 
11
2
max°C
5
-3
-5
-4
-2
-1
0
-1
0
1
7
9
10
3
-2
-2
-1
1
2
-1
-4
-2
-2
3
2
2
-4
-3
-4
-3
-2
4
4
5
4
1
Moonrise
11:03
11:24
11:48
12:14
12:47
1:29
2:23
3:30
4:46
6:05
7:22
Moonset
10:08
11:16
12:26
1:39
2:56
4:16
5:35
6:46
7:45
8:30
9:05
9:33
Sunrise
7:11
7:11
7:11
7:13
7:13
7:13
7:13
7:13
7:13
7:13
7:13
7:13
Sunset
4:24
4:25
4:27
4:27
4:28
4:29
4:30
4:30
4:31
4:31
4:32
4:34
Today's sea temperature in Northwest Harbor is
6.4° C
(Statistics for 25 Dec 1981-2005 – mean: 8.1 max: 10.4 min: 6.0°C)
Issued (local time): 6 pm Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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