Southwest Harbor Sea Conditions and Tide Table

Southwest 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 04:48 AM and sunset is at 08:16 PM.

Days 1–3 Weather Summary

Moderate rain (total 10mm), heaviest on Mon morning. Cool air temperatures (max 19°C on Mon afternoon, min 12°C on Sat morning). Wind will be generally light.

Days 4–6 Weather Summary

Heavy rain (total 20mm), heaviest during Thu afternoon. Cool air temperatures (max 17°C on Tue morning, min 13°C on Thu afternoon). Winds increasing (light winds from the WSW on Tue night, strong winds from the SSE by Thu afternoon).

Days 7–9 Weather Summary

Light rain (total 6mm), mostly falling on Fri night. Very mild (max 19°C on Fri morning, min 12°C on Sat night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Warm (max 21°C on Wed afternoon, min 12°C on Tue night). Wind will be generally light.

Days 13–16 Weather Summary

Light rain (total 7mm), mostly falling on Sat night. Warm (max 23°C on Thu afternoon, min 15°C on Fri night). Winds decreasing (fresh winds from the S on Fri afternoon, calm by Sun night).

Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sun
28
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
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PM
night
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PM
Wave Height Map
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High Tide
9:34AM3.17m
9:46PM3.83m
10:32AM3.25m
10:41PM3.94m
11:28AM3.31m
11:36PM3.99m
12:24PM3.35m
00:32AM3.97m
1:20PM3.36m
1:29AM3.87m
2:16PM3.35m
2:27AM3.72m
3:13PM3.33m
3:26AM3.53m
4:10PM3.30m
4:26AM3.33m
5:07PM3.27m
5:28AM3.13m
6:04PM3.24m
6:31AM2.97m
6:59PM3.21m
7:32AM2.87m
7:52PM3.20m
8:30AM2.81m
8:42PM3.21m
9:23AM2.80m
9:29PM3.22m
10:11AM2.80m
Low Tide
3:39PM0.11m
4:28AM-0.37m
4:34PM0.04m
5:23AM-0.48m
5:30PM-0.01m
6:18AM-0.52m
6:26PM-0.02m
7:13AM-0.50m
7:23PM0.00m
8:08AM-0.42m
8:21PM0.06m
9:03AM-0.29m
9:21PM0.14m
9:59AM-0.13m
10:23PM0.22m
10:55AM0.04m
11:27PM0.28m
11:51AM0.20m
00:30AM0.31m
12:47PM0.35m
1:31AM0.32m
1:42PM0.47m
2:29AM0.29m
2:35PM0.54m
3:21AM0.26m
3:24PM0.58m
4:09AM0.21m
4:08PM0.59m
Wave
Height (m)
Direction
Period (s)
0.5
SSE
7
0.4
SSE
7
0.4
SSE
7
0.4
SSE
7
0.4
SSE
7
0.8
S
5
0.6
S
6
0.7
SSE
6
0.6
SSE
6
0.6
S
8
0.6
S
8
0.6
S
8
0.5
S
7
0.5
S
7
0.6
S
7
0.8
S
4
1.9
SSE
6
1.2
S
8
0.9
S
8
0.9
S
8
0.7
S
8
0.6
S
8
0.7
SSW
5
0.8
S
8
0.7
SW
5
0.5
S
8
0.5
S
7
0.4
SSE
7
0.5
S
4
0.4
SSE
7
0.5
SE
4
0.5
SSE
6
0.4
SSE
6
0.4
SSE
6
0.4
S
7
0.4
S
7
0.3
S
7
0.4
S
4
0.4
S
7
0.7
S
4
1
S
4
0.9
S
6
0.6
S
6
0.8
SSE
6
0.7
SSE
7
0.8
SSE
8
0.9
SSE
8
cloud
clear
part cloud
part cloud
part cloud
light rain
mod rain
cloud
clear
clear
part cloud
clear
part cloud
clear
cloud
cloud
heavy rain
rain showers
clear
clear
rain showers
clear
clear
clear
clear
part cloud
clear
clear
cloud
cloud
cloud
part cloud
part cloud
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
cloud
light rain
cloud
cloud
rain showers
clear
part cloud
cloudy
clear
some clouds
some clouds
some clouds
light rain
mod rain
cloudy
clear
clear
some clouds
clear
some clouds
clear
cloudy
cloudy
heavy rain
rain shwrs
clear
clear
rain shwrs
clear
clear
clear
clear
some clouds
clear
clear
cloudy
cloudy
cloudy
some clouds
some clouds
clear
some clouds
clear
clear
some clouds
some clouds
some clouds
cloudy
light rain
cloudy
cloudy
rain shwrs
clear
some clouds
km/h
0
WSW
15
SSW
10
WSW
15
S
15
S
15
SSW
15
NE
10
NNE
15
NW
20
SW
15
SSW
15
SW
15
SSW
15
S
20
S
25
SSE
50
SSE
15
W
15
W
25
SW
10
WSW
20
W
25
SW
20
W
25
W
15
WNW
15
WNW
20
SW
20
SSW
5
NW
20
ENE
15
ENE
10
W
15
NW
10
SW
10
WNW
10
SW
20
SW
10
SSW
25
SSW
35
S
25
S
15
SSW
25
S
15
WNW
15
W
15
WSW
1
9
15
5
6
3
4
max °C
14
16
16
15
17
15
13
19
16
17
17
16
16
16
15
14
14
16
19
17
15
17
17
14
16
18
18
17
17
15
13
14
15
19
21
21
22
23
21
18
17
16
17
17
19
22
22
Moonrise
2:54
3:42
4:45
6:01
7:23
8:45
10:03
11:16
12:26
1:33
2:40
3:46
4:52
5:57
6:58
7:53
Moonset
7:12
8:29
9:32
10:21
10:57
11:25
11:47
12:07
12:25
12:44
1:04
1:26
1:54
2:28
3:09
Sunrise
4:48
4:48
4:48
4:48
4:48
4:48
4:48
4:48
4:48
4:48
4:48
4:50
4:50
4:50
4:50
4:50
Sunset
8:16
8:17
8:17
8:19
8:19
8:19
8:20
8:20
8:20
8:20
8:20
8:21
8:21
8:21
8:21
8:21
Today's sea temperature in Southwest Harbor is
10.9° C
(Statistics for 13 Jun 1981-2005 – mean: 11.0 max: 12.5 min: 9.6°C)
Issued (local time): 7 am Saturday 13 Jun 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest