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 06:20 AM and sunset is at 06:55 PM.

Days 1–3 Weather Summary

Heavy rain (total 68mm), heaviest during Thu night. Low air temperatures (max 8°C on Thu morning, min 1°C on Sat night). Winds increasing (calm on Thu afternoon, strong winds from the NW by Fri night).

Days 4–6 Weather Summary

A dusting of new snow. Low air temperatures (max 9°C on Mon afternoon, min 1°C on Sun night). Wind will be generally light.

Days 7–9 Weather Summary

A light covering of new snow, mostly falling on Wed afternoon will be washed away by heavy rain (total 23mm) on Wed night. Mild temperatures (max 5°C on Wed night, min 1°C on Thu night). Winds decreasing (gales from the E on Wed afternoon, light winds from the SE by Thu night).

Days 10–12 Weather Summary

Mostly dry. Very mild (max 12°C on Mon afternoon, min 1°C on Sat morning). Winds decreasing (fresh winds from the NNE on Sat morning, calm by Sun morning).

Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
Saturday
6
Sunday
7
Monday
8
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
1:36PM3.00m
1:41AM3.20m
2:13PM2.91m
2:18AM3.18m
2:55PM2.82m
3:01AM3.15m
3:42PM2.73m
3:51AM3.12m
4:39PM2.67m
4:50AM3.10m
5:42PM2.67m
5:56AM3.12m
6:50PM2.76m
7:05AM3.21m
7:55PM2.95m
8:12AM3.36m
8:54PM3.21m
9:13AM3.52m
9:47PM3.48m
10:10AM3.66m
10:36PM3.72m
11:03AM3.73m
11:24PM3.88m
Low Tide
7:33AM0.09m
7:42PM0.34m
8:10AM0.12m
8:18PM0.41m
8:51AM0.17m
8:59PM0.48m
9:38AM0.23m
9:47PM0.55m
10:32AM0.27m
10:43PM0.59m
11:34AM0.29m
11:47PM0.59m
12:41PM0.24m
00:57AM0.48m
1:47PM0.12m
2:05AM0.29m
2:47PM-0.05m
3:08AM0.03m
3:41PM-0.22m
4:05AM-0.24m
4:32PM-0.34m
4:58AM-0.46m
5:20PM-0.40m
Wave
height (m) 
direction
period (s) 
0.9
SE
10
0.9
SE
10
0.9
SE
10
1.1
SE
6
1.3
SE
7
1.3
NW
5
1.3
SSE
7
0.9
SSE
7
0.7
SSE
6
0.4
SE
10
0.5
SE
10
0.5
SE
10
0.5
SE
10
0.4
SE
5
0.3
SE
10
0.2
SSE
9
0.4
SSE
5
0.2
SSE
8
1.2
ESE
5
2.3
ESE
6
2.2
SE
10
1.9
S
6
1.5
S
10
1.2
S
11
0.9
S
12
0.7
SSE
5
1.1
NNE
4
0.9
NNE
4
0.6
NE
4
0.2
SSE
9
0.1
SE
9
0.3
SW
2
0.1
SE
8
0.2
W
2
0.4
WSW
2
0.2
S
4
light rain
heavy rain
heavy rain
light rain
mod rain
heavy rain
part cloud
clear
part cloud
part cloud
cloud
clear
clear
clear
clear
part cloud
cloud
light snow
light snow
light snow
heavy rain
cloud
cloud
part cloud
cloud
light rain
cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
light rain
heavy rain
heavy rain
light rain
mod rain
heavy rain
some clouds
clear
some clouds
some clouds
cloudy
clear
clear
clear
clear
some clouds
cloudy
light snow
light snow
light snow
heavy rain
cloudy
cloudy
some clouds
cloudy
light rain
cloudy
some clouds
some clouds
clear
clear
clear
clear
some clouds
some clouds
some clouds
 km/h
5
E
5
NNW
20
NNW
35
NNW
40
NNW
45
NW
40
WNW
35
WNW
20
WNW
15
W
20
WSW
15
NW
20
NW
20
NNW
10
NNW
5
NW
20
SW
10
ESE
40
ESE
65
E
35
ENE
40
SW
20
S
20
NNE
20
N
25
NNE
40
N
30
N
20
N
10
NNW
5
W
15
WSW
10
NW
10
W
20
WSW
10
NW
 mm 
2.0
16
23
5
9
13
5
16
2.0
max°C
8
8
6
5
4
4
4
6
5
5
6
6
4
9
7
4
5
4
3
2
5
3
4
3
3
5
3
2
6
4
5
7
7
8
12
11
Moonrise
10:45
11:54
1:03
2:06
3:01
3:45
4:20
4:49
5:13
5:35
5:56
Moonset
7:32
7:58
8:30
9:13
10:07
11:14
12:30
1:52
3:14
4:36
5:58
7:20
Sunrise
6:20
6:18
6:16
6:15
6:13
6:11
6:09
6:07
6:05
6:03
6:01
6:00
Sunset
6:55
6:57
6:58
6:59
7:00
7:01
7:02
7:04
7:05
7:07
7:07
7:08
Today's sea temperature in Southwest Harbor is 3.5 °C (Statistics for 28 Mar 1981-2005 – mean: 3.5 max: 5.1 min: 2.1°C)
Nearest