Monhegan Island Sea Conditions and Tide Table

Monhegan Island 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 07:05 AM and sunset is at 04:00 PM.

Days 1–3 Weather Summary

Moderate rain (total 13mm) heaviest on Fri afternoon, then becoming colder with a dusting of snow on Fri night. Icy conditions (max 12°C on Fri morning, min -5°C on Fri night). Winds increasing (light winds from the SSW on Wed night, severe gales from the S by Fri morning).

Days 4–6 Weather Summary

Light rain (total 3mm), mostly falling on Sun morning. Icy conditions (max 5°C on Sun morning, min -8°C on Mon night). Mainly near gales.

Days 7–9 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 3°C on Wed morning, min -8°C on Tue morning). Winds decreasing (strong winds from the WNW on Wed morning, light winds from the NNW by Thu morning).

Days 10–12 Weather Summary

Light rain (total 5mm), mostly falling on Fri morning. Freeze-thaw conditions (max 3°C on Fri morning, min -10°C on Sun morning). Mainly strong winds.

Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
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
Wave Height Map
High Tide
8:53AM2.76m
9:32PM2.43m
9:33AM2.79m
10:14PM2.44m
10:12AM2.82m
10:54PM2.45m
10:50AM2.83m
11:32PM2.45m
11:27AM2.85m
00:09AM2.45m
12:03PM2.85m
00:44AM2.45m
12:41PM2.84m
1:22AM2.47m
1:21PM2.81m
2:02AM2.51m
2:06PM2.76m
2:46AM2.57m
2:56PM2.70m
3:33AM2.65m
3:51PM2.64m
4:24AM2.75m
4:49PM2.59m
5:18AM2.85m
Low Tide
3:26PM0.13m
3:24AM0.45m
4:06PM0.09m
4:03AM0.44m
4:45PM0.07m
4:40AM0.42m
5:22PM0.05m
5:17AM0.41m
5:57PM0.05m
5:55AM0.40m
6:33PM0.04m
6:33AM0.38m
7:09PM0.05m
7:14AM0.37m
7:49PM0.05m
8:00AM0.35m
8:32PM0.07m
8:51AM0.32m
9:19PM0.09m
9:46AM0.27m
10:09PM0.11m
10:44AM0.19m
11:01PM0.13m
Wave
height (m) 
direction
period (s) 
3
SSW
7
2.4
SSW
8
1.5
S
7
0.7
S
8
1
S
4
1.9
S
6
3
S
8
5
S
10
3
SSE
11
2.1
SSE
11
1.3
SSE
10
1.2
SSE
10
2.4
SSW
7
1.8
S
7
1.9
SW
6
1.3
WNW
4
1.4
WNW
4
1.1
NW
4
0.7
NW
4
0.4
SE
10
1.1
SW
5
1.1
SSW
6
1.3
W
5
0.7
WNW
4
0.3
S
9
0.2
S
9
0.3
ESE
3
1.4
SSE
5
1
SSE
6
1.4
SW
5
1
WNW
4
0.8
NW
4
0.8
NNW
4
1
NW
4
1.1
NW
4
1
NW
4
part cloud
part cloud
part cloud
part cloud
clear
rain showers
light rain
rain showers
snow showers
clear
part cloud
light rain
rain showers
clear
clear
clear
part cloud
clear
part cloud
cloud
snow showers
clear
clear
part cloud
cloud
cloud
cloud
light rain
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
some clouds
some clouds
some clouds
some clouds
clear
rain shwrs
light rain
rain shwrs
snow shwrs
clear
some clouds
light rain
rain shwrs
clear
clear
clear
some clouds
clear
some clouds
cloudy
snow shwrs
clear
clear
some clouds
cloudy
cloudy
cloudy
light rain
some clouds
some clouds
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
 km/h
60
SW
50
WSW
35
WNW
15
S
35
SSW
40
S
60
SSE
75
S
45
W
40
NW
20
NW
40
S
45
WSW
45
W
50
W
45
NW
45
NW
45
NW
30
WNW
10
W
35
WSW
25
WNW
45
NW
25
NW
15
NNW
10
NE
20
ESE
40
SSE
30
W
45
WNW
40
NW
35
NW
35
NNW
40
NW
40
NW
35
NW
 mm 
1
2
10
1
2
5
max°C
5
6
6
3
5
10
12
11
4
-2
0
4
5
5
2
-5
-5
-7
-5
-2
1
3
1
-3
-4
-2
1
3
3
2
-5
-5
-5
-8
-8
-8
Moonrise
5:07
6:10
7:09
8:01
8:44
9:19
9:48
10:12
10:33
10:52
11:12
11:32
Moonset
1:54
2:32
3:18
4:14
5:17
6:25
7:34
8:44
9:53
11:04
12:16
Sunrise
7:05
7:05
7:05
7:07
7:07
7:07
7:07
7:09
7:09
7:09
7:09
7:09
Sunset
4:00
4:00
4:01
4:01
4:01
4:02
4:02
4:04
4:05
4:05
4:06
4:07
Today's sea temperature in Monhegan Island is
7.2° C
(Statistics for 17 Dec 1981-2005 – mean: 6.4 max: 7.6 min: 5.0°C)
Issued (local time): 6 am Wednesday 17 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest