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 07:05 AM and sunset is at 06:51 PM.

Days 1–3 Weather Summary

Drizzle at first, then turning colder with dusting of snow on Thu night. Icy conditions (max 9°C on Thu morning, min -2°C on Sat night). Winds decreasing (strong winds from the WSW on Fri night, light winds from the NNW by Sat night).

Days 4–6 Weather Summary

Heavy rain (total 21mm), heaviest during Mon morning. Icy conditions (max 13°C on Mon night, min -2°C on Sun morning). Winds increasing (light winds from the NE on Sun morning, near gales from the S by Mon night).

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 5°C on Fri night, min -1°C on Wed morning). Wind will be generally light.

Days 10–12 Weather Summary

Some drizzle, heaviest during Sat night. Very mild (max 16°C on Mon afternoon, min 4°C on Sat morning). Winds increasing (calm on Sat morning, fresh winds from the SSW by Sun afternoon).

Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Fri
27
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
5:51AM0.66m
6:37PM0.52m
6:50AM0.69m
7:28PM0.56m
7:40AM0.72m
8:09PM0.61m
8:23AM0.75m
8:47PM0.68m
9:03AM0.77m
9:24PM0.75m
9:42AM0.79m
10:02PM0.82m
10:20AM0.80m
10:41PM0.87m
11:00AM0.79m
11:22PM0.92m
11:43AM0.77m
00:05AM0.94m
12:27PM0.73m
00:51AM0.94m
1:14PM0.69m
1:41AM0.91m
2:06PM0.65m
2:37AM0.87m
3:04PM0.61m
3:42AM0.82m
4:12PM0.58m
4:58AM0.78m
5:31PM0.59m
Low Tide
12:19PM0.09m
00:23AM0.17m
1:12PM0.07m
1:18AM0.13m
1:57PM0.04m
2:05AM0.08m
2:35PM0.01m
2:46AM0.02m
3:09PM-0.03m
3:26AM-0.04m
3:41PM-0.06m
4:06AM-0.09m
4:15PM-0.09m
4:47AM-0.13m
4:51PM-0.09m
5:31AM-0.14m
5:30PM-0.08m
6:18AM-0.14m
6:13PM-0.06m
7:11AM-0.11m
7:02PM-0.02m
8:09AM-0.08m
7:59PM0.03m
9:11AM-0.03m
9:04PM0.07m
10:16AM0.01m
10:16PM0.09m
11:23AM0.03m
Wave
height (m) 
direction
period (s) 
1
SSE
7
1
S
8
0.9
SSE
8
0.5
SSE
8
0.9
SSW
4
1.5
S
8
1.3
S
9
1
S
8
0.5
S
7
0.3
S
6
0.6
SE
3
1.3
SE
6
2
SSE
9
2.1
SSE
10
1.9
SSE
11
1.5
SSE
10
1.3
SSE
10
1
SSE
10
0.9
SE
10
0.7
SE
9
0.7
SE
9
0.6
SE
9
0.6
SE
9
0.6
SE
9
0.6
SE
8
0.7
SE
9
0.7
SE
9
0.6
SE
10
0.7
SE
10
0.6
ESE
10
0.7
SE
10
0.9
ESE
9
1
S
6
0.8
S
6
0.8
S
6
0.7
S
6
0.6
S
6
0.8
S
6
1.1
S
6
1
S
7
0.9
S
7
1
S
7
0.9
NW
4
0.8
NW
4
0.6
NNW
3
0.4
NW
3
0.3
SE
8
part cloud
light rain
snow showers
part cloud
cloud
part cloud
clear
part cloud
part cloud
cloud
part cloud
rain showers
mod rain
light rain
rain showers
clear
part cloud
cloud
clear
part cloud
cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
light rain
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
mod rain
rain showers
clear
clear
clear
clear
clear
some clouds
light rain
snow shwrs
some clouds
cloudy
some clouds
clear
some clouds
some clouds
cloudy
some clouds
rain shwrs
mod rain
light rain
rain shwrs
clear
some clouds
cloudy
clear
some clouds
cloudy
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
light rain
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
mod rain
rain shwrs
clear
clear
clear
clear
clear
 km/h
35
NNW
35
NW
30
WNW
15
WSW
35
SSW
45
SW
45
W
35
WNW
15
NNW
15
E
25
SE
40
SE
45
S
45
S
35
W
35
W
20
WSW
15
NW
25
W
20
W
15
NE
15
ENE
15
SE
15
SE
20
SSE
25
SSW
15
WSW
5
N
15
S
15
SSW
25
SSW
30
SW
25
SW
20
SW
25
SSW
20
SW
20
SSW
25
SSW
35
SSW
20
SSW
25
WNW
40
WNW
35
WNW
35
WNW
25
NW
20
NW
20
W
 mm 
1
3
7
4
7
1
9
4
max°C
9
3
1
1
4
7
4
6
4
-1
2
8
12
12
13
1
4
4
-1
2
3
0
2
2
2
3
5
6
8
9
10
10
13
14
16
16
14
13
11
10
6
2
-1
3
1
-1
3
Moonrise
3:28
4:13
4:51
5:23
5:50
6:15
6:37
7:00
7:23
7:51
8:24
9:04
9:55
10:57
12:08
1:22
Moonset
12:03
1:04
2:10
3:18
4:28
5:38
6:49
8:01
9:17
10:35
11:53
1:09
2:17
3:13
3:58
Sunrise
7:05
7:03
7:01
7:01
6:58
6:56
6:56
6:54
6:52
6:50
6:48
6:47
6:46
6:43
6:41
6:41
Sunset
6:51
6:52
6:52
6:53
6:55
6:57
6:58
6:59
7:00
7:00
7:01
7:02
7:04
7:05
7:06
7:07
Today's sea temperature in Northwest Harbor is
2.9° C
(Statistics for 12 Mar 1981-2005 – mean: 4.4 max: 6.3 min: 2.7°C)
Issued (local time): 1 am Thursday 12 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest