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 07:30 PM.

Days 1–4 Weather Summary

Mostly dry. Warm air temperatures (max 21°C on Sat night, min 7°C on Mon morning). Winds decreasing (fresh winds from the SSW on Fri night, light winds from the NE by Mon morning).

Days 5–7 Weather Summary

Light rain (total 2mm), mostly falling on Mon night. Warm air temperatures (max 21°C on Tue afternoon, min 7°C on Wed morning). Wind will be generally light.

Days 8–10 Weather Summary

Heavy rain (total 27mm), heaviest during Fri night. Very mild (max 14°C on Sat afternoon, min 5°C on Fri morning). Winds decreasing (fresh winds from the E on Fri night, light winds from the N by Sun morning).

Days 11–13 Weather Summary

Light rain (total 8mm), mostly falling on Wed morning. Very mild (max 15°C on Tue afternoon, min 8°C on Sun night). Winds increasing (light winds from the SSW on Sun night, fresh winds from the S by Tue afternoon).

Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wed
30
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
3:11AM0.76m
3:54PM0.60m
4:07AM0.74m
4:52PM0.62m
5:06AM0.74m
5:48PM0.66m
6:02AM0.75m
6:39PM0.72m
6:55AM0.77m
7:26PM0.80m
7:44AM0.79m
8:11PM0.89m
8:33AM0.81m
8:56PM0.97m
9:21AM0.81m
9:43PM1.04m
10:10AM0.80m
10:32PM1.08m
11:00AM0.79m
11:23PM1.09m
11:51AM0.77m
00:16AM1.06m
12:45PM0.73m
Low Tide
8:42PM0.23m
9:40AM0.08m
9:40PM0.23m
10:31AM0.09m
10:39PM0.21m
11:21AM0.09m
11:37PM0.17m
12:10PM0.07m
00:35AM0.12m
12:58PM0.04m
1:31AM0.04m
1:45PM0.01m
2:24AM-0.04m
2:30PM-0.02m
3:15AM-0.11m
3:14PM-0.05m
4:04AM-0.16m
3:59PM-0.06m
4:55AM-0.17m
4:47PM-0.05m
5:47AM-0.15m
5:38PM-0.02m
6:43AM-0.11m
Wave
height (m) 
direction
period (s) 
1
S
6
1.1
S
7
1.1
S
8
0.9
S
8
0.8
S
7
0.6
S
7
0.4
S
6
0.3
S
6
0.3
S
5
0.6
S
4
0.8
S
6
0.7
S
6
0.6
SSE
6
0.5
S
6
0.5
S
6
0.4
SE
8
0.4
SE
9
0.3
SE
8
0.7
E
4
0.9
ESE
4
1
ESE
5
1.1
SE
7
0.8
SE
7
0.9
SE
7
0.8
SSE
7
0.4
SSE
7
0.4
SE
7
0.3
SE
7
0.1
SE
7
0.4
SSW
3
0.5
S
4
0.6
SSE
4
0.8
SSE
4
0.8
SSE
5
0.9
SSE
6
0.9
SE
7
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
light rain
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
light rain
light rain
heavy rain
light rain
cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
rain showers
light rain
light rain
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
some clouds
light rain
some clouds
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
light rain
light rain
heavy rain
light rain
cloudy
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
rain shwrs
light rain
light rain
 km/h
30
SSW
30
SW
30
SW
20
W
25
NW
20
NW
15
N
10
SE
15
S
20
S
20
W
15
WSW
15
NNW
10
WNW
20
SW
15
SW
10
W
10
SSW
25
E
30
E
30
ESE
20
SSW
20
NW
25
NW
25
NNW
10
N
15
SSW
10
SSW
10
SSW
20
SSW
20
S
25
S
30
S
25
S
20
SSW
15
NW
 mm 
2
3
4
18
2
1
4
3
max°C
11
14
18
21
11
16
15
8
9
11
14
21
19
11
15
15
16
20
13
7
6
11
12
14
11
9
12
11
10
11
9
13
15
14
13
14
Moonrise
12:33
1:26
2:11
2:48
3:20
3:47
4:11
4:35
4:59
5:27
5:59
6:40
7:30
Moonset
9:04
10:02
11:07
12:18
1:30
2:44
3:59
5:16
6:35
7:58
9:21
10:42
11:53
Sunrise
6:03
6:01
6:01
5:58
5:58
5:56
5:54
5:54
5:52
5:50
5:50
5:48
Sunset
7:30
7:31
7:32
7:34
7:35
7:36
7:37
7:37
7:38
7:39
7:40
7:43
7:44
Today's sea temperature in Northwest Harbor is 6.7 °C (Statistics for 18 Apr 1981-2005 – mean: 6.9 max: 8.6 min: 5.2°C)
Issued (local time): 7 pm Friday 18 Apr 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest