Dartmouth Sea Conditions and Tide Table

Dartmouth 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 08:10 AM and sunset is at 04:10 PM.

Days 1–3 Weather Summary

Heavy rain (total 33mm), heaviest during Thu morning. Cool air temperatures (max 12°C on Thu morning, min 8°C on Sat night). Winds decreasing (strong winds from the SSW on Thu morning, light winds from the NE by Sat night).

Days 4–6 Weather Summary

Moderate rain (total 13mm), heaviest on Sun morning. Low air temperatures (max 9°C on Sun morning, min 6°C on Tue night). Winds decreasing (strong winds from the SSE on Sun afternoon, light winds from the SW by Mon morning).

Days 7–9 Weather Summary

Mostly dry. Mild temperatures (max 8°C on Wed morning, min 2°C on Thu night). Mainly near gales.

Days 10–12 Weather Summary

Mostly dry. Mild temperatures (max 6°C on Sun afternoon, min 3°C on Sat morning). Mainly strong winds.

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
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
Wave Height Map
High Tide
5:47PM3.02m
6:06AM3.26m
6:26PM3.15m
6:42AM3.39m
7:02PM3.24m
7:17AM3.50m
7:38PM3.29m
7:53AM3.56m
8:14PM3.30m
8:28AM3.59m
8:50PM3.28m
9:03AM3.57m
9:28PM3.23m
9:40AM3.52m
10:08PM3.17m
10:19AM3.43m
10:51PM3.10m
11:01AM3.31m
11:39PM3.02m
11:51AM3.18m
00:34AM2.96m
12:51PM3.05m
1:42AM2.95m
Low Tide
10:58AM0.79m
11:09PM0.70m
11:34AM0.64m
11:45PM0.60m
12:09PM0.53m
00:18AM0.51m
12:43PM0.45m
00:51AM0.45m
1:16PM0.40m
1:24AM0.43m
1:51PM0.38m
1:58AM0.44m
2:27PM0.38m
2:35AM0.50m
3:06PM0.42m
3:15AM0.60m
3:49PM0.50m
4:02AM0.75m
4:40PM0.61m
4:58AM0.91m
5:42PM0.74m
6:10AM1.03m
6:58PM0.81m
Wave
height (m) 
direction
period (s) 
2.3
SW
20
3
SW
10
2.3
SW
17
2.1
SW
14
1.9
WSW
16
1.6
WSW
15
2.4
SSW
7
3
SSW
8
2
SSW
8
1.8
SW
17
2.5
SSE
6
2.5
SW
8
1.3
WSW
9
1.1
WSW
10
1.4
SSW
5
2.1
SSE
6
2.3
SE
6
2.4
E
7
2
E
6
2.3
E
7
3
E
8
3
E
8
2.5
E
8
2.4
E
8
2.4
E
8
2.5
E
8
2.5
E
8
2.3
E
8
2.1
E
7
1.7
E
7
1.2
E
5
1
E
5
0.9
E
5
1.5
E
6
1.6
E
6
1.9
E
6
heavy rain
light rain
rain showers
clear
clear
clear
cloud
mod rain
mod rain
mod rain
rain showers
rain showers
rain showers
light rain
light rain
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
heavy rain
light rain
rain shwrs
clear
clear
clear
cloudy
mod rain
mod rain
mod rain
rain shwrs
rain shwrs
rain shwrs
light rain
light rain
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
clear
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
 km/h
20
S
25
W
25
WNW
30
WSW
25
WSW
25
SSW
40
S
45
SSE
10
WSW
25
SSE
45
SSE
35
SW
15
SW
20
S
25
SE
40
ESE
45
E
45
ENE
40
ENE
45
NE
50
NE
50
NE
45
NE
40
NE
45
NE
45
NE
40
NE
40
ENE
35
ENE
30
NE
30
ENE
25
ENE
20
NE
35
ENE
35
ENE
35
ENE
 mm 
13
5
1
6
8
6
1
2
1
2
1
max°C
12
12
11
10
10
10
10
10
9
9
9
9
9
9
9
9
9
8
8
7
5
3
3
2
3
4
3
3
4
4
5
6
5
5
6
5
Moonrise
7:11
8:15
9:09
9:50
10:21
10:44
11:01
11:16
11:29
11:41
11:55
12:11
Moonset
2:23
3:05
3:59
5:05
6:18
7:35
8:52
10:09
11:26
12:46
2:09
Sunrise
8:10
8:10
8:11
8:11
8:11
8:11
8:12
8:12
8:12
8:14
8:14
8:14
Sunset
4:10
4:12
4:12
4:12
4:13
4:14
4:14
4:15
4:15
4:15
4:16
4:17
Today's sea temperature in Dartmouth is
12.2° C
(Statistics for 18 Dec 1981-2005 – mean: 11.3 max: 12.1 min: 10.7°C)
Issued (local time): 11 am Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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