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 07:09 AM and sunset is at 06:49 PM.

Days 1–3 Weather Summary

Light rain (total 3mm), mostly falling on Wed night. Icy conditions (max 14°C on Tue night, min 0°C on Thu night). Winds increasing (light winds from the SSW on Tue night, fresh winds from the SW by Wed night).

Days 4–6 Weather Summary

Some drizzle, heaviest during Sun night. Icy conditions (max 12°C on Sun night, min 0°C on Fri morning). Winds decreasing (strong winds from the SW on Fri night, calm by Sat night).

Days 7–9 Weather Summary

Moderate rain (total 12mm), heaviest on Mon morning. Freeze-thaw conditions (max 13°C on Mon morning, min -4°C on Tue night). Winds decreasing (near gales from the SSW on Mon morning, light winds from the S by Wed night).

Days 10–12 Weather Summary

Light rain (total 2mm), mostly falling on Sat night. Mild temperatures (max 8°C on Fri night, min 1°C on Thu morning). Winds decreasing (fresh winds from the SW on Fri afternoon, light winds from the SW by Sat night).

Tuesday
10
Wednesday
11
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
Wed
25
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
4:17PM0.49m
4:46AM0.66m
5:29PM0.49m
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
Low Tide
10:24AM0.08m
10:23PM0.19m
11:22AM0.09m
11:24PM0.19m
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
Wave
height (m) 
direction
period (s) 
0.5
S
7
0.5
SSE
6
0.5
SSE
7
0.5
SSE
6
0.8
SSE
5
1.2
S
6
1
SSE
8
0.8
SSE
8
0.7
SSE
8
0.4
SSE
8
0.6
SSE
8
1.4
S
7
1.2
S
9
0.9
S
8
0.4
S
7
0.6
SSE
3
1.1
SSE
6
1.4
SSE
7
2
S
9
2
S
10
1.5
SSE
10
1.3
SSE
10
1.1
SSE
10
0.9
SSE
9
0.6
SE
9
0.6
SE
9
0.6
SE
8
0.5
SE
8
0.6
SE
8
0.6
SE
8
0.6
SE
8
0.8
SE
8
0.8
SE
10
0.6
ESE
9
0.6
ESE
10
0.4
ESE
10
0.4
SE
10
0.4
ESE
9
0.4
ESE
9
0.9
ENE
4
0.9
ESE
6
0.6
ESE
8
0.5
SE
6
0.5
SE
5
1
SE
5
1
SE
6
0.8
SE
7
clear
clear
part cloud
cloud
part cloud
light rain
cloud
light rain
rain showers
clear
cloud
part cloud
clear
clear
cloud
cloud
part cloud
rain showers
mod rain
light rain
cloud
part cloud
clear
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
light rain
cloud
clear
mod rain
light snow
light snow
light snow
light snow
cloud
cloud
cloud
cloud
clear
clear
some clouds
cloudy
some clouds
light rain
cloudy
light rain
rain shwrs
clear
cloudy
some clouds
clear
clear
cloudy
cloudy
some clouds
rain shwrs
mod rain
light rain
cloudy
some clouds
clear
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
some clouds
light rain
cloudy
clear
mod rain
light snow
light snow
light snow
light snow
cloudy
cloudy
cloudy
cloudy
 km/h
15
SW
15
SSW
15
SSW
10
S
25
SSW
35
SW
25
WNW
30
WNW
25
WNW
15
W
25
S
45
SW
40
W
30
W
5
NNE
25
SE
35
S
40
S
55
SSW
45
SSW
30
WNW
35
WNW
30
WNW
25
NW
15
WNW
20
WSW
15
SSW
15
SE
15
SSE
15
SSE
20
SW
30
SW
20
WNW
10
NW
15
SW
10
SSE
5
SW
15
SSW
15
NNE
30
NE
25
E
10
SE
15
ESE
20
ESE
30
ESE
20
S
25
W
 mm 
1
1
1
1
7
5
2
6
max°C
11
10
14
7
12
10
9
3
2
1
2
7
4
6
5
5
10
12
13
12
7
-2
1
-1
-4
0
1
1
1
4
5
6
8
4
8
8
6
10
9
1
-1
-1
0
0
4
10
10
Moonrise
1:37
2:36
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
Moonset
10:23
11:09
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
Sunrise
7:09
7:07
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
Sunset
6:49
6:50
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
Today's sea temperature in Northwest Harbor is
1.6° C
(Statistics for 10 Mar 1981-2005 – mean: 4.4 max: 6.3 min: 2.7°C)
Issued (local time): 1 am Tuesday 10 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest