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 06:39 AM and sunset is at 04:54 PM.

Days 1–3 Weather Summary

A light covering of new snow, mostly falling on Tue night. Icy conditions (max 2°C on Wed morning, min -10°C on Mon night). Winds increasing (light winds from the ENE on Wed morning, fresh winds from the NNW by Thu afternoon).

Days 4–6 Weather Summary

Mostly dry. Icy conditions (max 2°C on Sat afternoon, min -7°C on Sun morning). Winds decreasing (fresh winds from the NW on Sat night, calm by Sun afternoon).

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 4°C on Wed afternoon, min -2°C on Sun night). Winds increasing (light winds from the S on Sun night, strong winds from the SW by Wed morning).

Days 10–12 Weather Summary

Moderate rain (total 12mm), heaviest on Fri morning. Freeze-thaw conditions (max 9°C on Thu morning, min -8°C on Sat night). Winds increasing (light winds from the NW on Thu afternoon, strong winds from the WNW by Fri 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
Wave Height Map
High Tide
5:29PM2.48m
5:42AM2.84m
6:32PM2.45m
6:41AM2.87m
7:30PM2.49m
7:37AM2.95m
8:21PM2.58m
8:25AM3.06m
9:05PM2.70m
9:09AM3.19m
9:44PM2.84m
9:48AM3.30m
10:20PM2.98m
10:26AM3.39m
10:55PM3.12m
11:04AM3.44m
11:30PM3.26m
11:44AM3.45m
00:07AM3.37m
12:26PM3.41m
00:47AM3.44m
1:11PM3.32m
1:31AM3.47m
2:01PM3.18m
2:20AM3.44m
2:56PM3.01m
3:16AM3.37m
4:00PM2.85m
Low Tide
11:28AM0.48m
11:32PM0.70m
12:30PM0.49m
00:31AM0.73m
1:29PM0.45m
1:28AM0.68m
2:20PM0.35m
2:18AM0.58m
3:05PM0.23m
3:03AM0.45m
3:44PM0.11m
3:44AM0.30m
4:19PM-0.01m
4:23AM0.16m
4:53PM-0.10m
5:01AM0.03m
5:28PM-0.17m
5:41AM-0.08m
6:05PM-0.20m
6:24AM-0.16m
6:44PM-0.18m
7:09AM-0.19m
7:27PM-0.10m
7:59AM-0.16m
8:14PM0.02m
8:53AM-0.09m
9:07PM0.16m
9:56AM0.01m
Wave
height (m) 
direction
period (s) 
0.2
ESE
4
0.2
SSE
3
0.8
S
4
0.8
SSE
5
0.6
SSE
5
0.7
E
4
0.6
NNW
4
0.6
N
3
0.6
NNW
3
0.6
NNW
3
0.5
NW
3
0.2
SSE
10
0.2
SSE
8
0.3
WSW
3
0.5
WNW
3
0.3
N
4
0.1
S
7
0.1
S
3
0.1
S
6
0.1
S
6
0.1
S
12
0.5
S
9
0.4
S
9
0.6
S
5
1.4
SSW
5
1.3
SSW
5
0.8
S
8
0.6
S
7
0.5
S
7
0.5
S
7
1.1
SSE
4
1.3
S
6
1.5
SW
6
1.3
WNW
4
1.3
WNW
4
1.2
NW
4
0.8
NW
4
0.7
NW
4
0.2
WNW
3
0.1
S
7
0.2
ESE
2
1.1
NW
4
1.5
NW
5
1.4
NNW
5
1.1
NW
4
0.9
WNW
4
clear
part cloud
light snow
light snow
light snow
snow showers
part cloud
part cloud
clear
clear
clear
part cloud
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
cloud
light rain
part cloud
part cloud
cloud
mod rain
rain showers
clear
clear
clear
clear
clear
part cloud
part cloud
light snow
light snow
cloud
part cloud
cloud
part cloud
cloud
clear
some clouds
light snow
light snow
light snow
snow shwrs
some clouds
some clouds
clear
clear
clear
some clouds
clear
some clouds
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
cloudy
cloudy
cloudy
light rain
some clouds
some clouds
cloudy
mod rain
rain shwrs
clear
clear
clear
clear
clear
some clouds
some clouds
light snow
light snow
cloudy
some clouds
cloudy
some clouds
cloudy
 km/h
15
NNW
15
WSW
30
S
15
SSE
15
NE
25
N
25
NNW
25
NNW
25
NNW
25
NW
25
NW
10
WNW
10
WNW
15
WNW
20
NNW
15
NNW
5
N
10
SSW
10
S
5
WSW
10
NW
15
NNW
10
W
25
SW
40
SW
30
SW
20
W
15
WNW
5
NW
20
ESE
25
SSE
25
SW
45
WNW
45
WNW
45
NW
45
NW
35
NW
30
NW
10
NNW
5
ESE
15
ENE
45
NW
50
NW
50
NW
40
WNW
35
NW
 mm 
1
9
2
max°C
-3
-2
1
2
1
0
0
1
-2
-1
0
-2
1
2
0
-4
-2
-1
0
1
1
1
2
1
2
4
8
9
9
7
7
7
4
-3
-4
-8
-6
-4
-6
-3
-2
-4
-16
-16
-17
-12
Moonrise
1:46
2:49
3:46
4:35
5:16
5:49
6:17
6:39
7:00
7:19
7:38
7:59
8:25
8:56
9:36
10:28
Moonset
10:19
10:58
11:47
12:46
1:51
3:02
4:14
5:26
6:39
7:52
9:07
10:24
11:43
1:03
2:17
Sunrise
6:39
6:37
6:37
6:35
6:33
6:31
6:31
6:28
6:28
6:26
6:24
6:22
6:20
6:20
6:18
6:16
Sunset
4:54
4:55
4:58
4:59
5:00
5:01
5:02
5:05
5:06
5:07
5:08
5:09
5:12
5:13
5:14
Today's sea temperature in Southwest Harbor is
0.7° C
(Statistics for 10 Feb 1981-2005 – mean: 3.7 max: 4.8 min: 2.5°C)
Issued (local time): 12 am Tuesday 10 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest