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 07:03 AM and sunset is at 04:00 PM.

Days 1–3 Weather Summary

Mostly dry. Icy conditions (max 7°C on Wed afternoon, min -8°C on Sun night). Winds increasing (light winds from the W on Tue morning, near gales from the SW by Tue night).

Days 4–6 Weather Summary

Light rain (total 8mm), mostly falling on Fri morning. Icy conditions (max 11°C on Fri morning, min -7°C on Fri night). Winds increasing (light winds from the SW on Wed night, severe gales from the SSE by Fri morning).

Days 7–9 Weather Summary

Drizzle at first, then turning colder with dusting of snow on Tue afternoon. Freeze-thaw conditions (max 6°C on Sat night, min -8°C on Mon night). Winds decreasing (near gales from the SSW on Sat night, calm by Mon night).

Days 10–12 Weather Summary

A light covering of new snow, mostly falling on Fri morning. Becoming milder with moderate rain (total 14mm) heaviest on Fri afternoon. Freeze-thaw conditions (max 5°C on Tue night, min -10°C on Wed night). Winds decreasing (near gales from the W on Wed morning, light winds from the ESE by Thu night).

Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Fri
26
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
Wave Height Map
High Tide
7:25AM2.69m
8:00PM2.40m
8:11AM2.72m
8:48PM2.41m
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
Low Tide
1:55PM0.25m
2:00AM0.45m
2:43PM0.18m
2:43AM0.45m
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
Wave
height (m) 
direction
period (s) 
1.4
SSE
11
1.2
S
8
0.6
SSE
9
0.6
S
6
0.7
SW
4
1.7
SSW
6
2.5
SSW
8
2.5
SSW
8
2.1
SSW
8
0.7
S
9
1.1
S
4
2.5
S
7
3.5
S
8
4
S
10
3
SSE
10
1.8
SSE
11
1.2
SSE
10
1.4
SSE
10
2.5
SSW
8
2
S
8
1.3
S
8
1.2
S
8
1.1
NW
5
0.7
ESE
10
0.4
SE
10
1.3
SSW
4
1.9
SSW
7
1.9
SW
6
1.5
W
5
1.1
WNW
4
0.6
WNW
3
0.5
NW
3
0.1
SE
8
1.3
SSE
4
2.3
SE
7
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
light rain
rain showers
part cloud
clear
part cloud
cloud
light rain
part cloud
clear
clear
clear
clear
cloud
light snow
rain showers
part cloud
clear
clear
clear
part cloud
part cloud
light snow
mod rain
some clouds
some clouds
some clouds
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
some clouds
some clouds
light rain
rain shwrs
some clouds
clear
some clouds
cloudy
light rain
some clouds
clear
clear
clear
clear
cloudy
light snow
rain shwrs
some clouds
clear
clear
clear
some clouds
some clouds
light snow
mod rain
 km/h
45
NW
45
WNW
25
W
10
W
25
WSW
50
SW
55
SW
50
SW
50
WNW
10
S
35
S
50
S
60
S
60
WSW
50
W
35
WNW
20
NW
45
SSW
45
SW
35
W
15
W
40
NW
35
NNW
25
N
15
S
45
SSW
40
W
55
W
50
NW
40
NW
25
NW
25
NW
5
ESE
45
SE
50
ESE
 mm 
5
3
1
3
10
max°C
-7
-5
-3
-1
0
3
6
7
6
3
5
10
11
8
-2
-5
-3
6
6
5
4
0
-5
-7
0
2
5
4
-2
-6
-7
-6
-1
1
3
Moonrise
2:57
4:02
5:07
6:10
7:09
8:01
8:44
9:19
9:48
10:12
10:33
10:52
Moonset
1:00
1:24
1:54
2:32
3:18
4:14
5:17
6:25
7:34
8:44
9:53
Sunrise
7:03
7:03
7:05
7:05
7:05
7:07
7:07
7:07
7:07
7:09
7:09
7:09
Sunset
4:00
4:00
4:00
4:00
4:01
4:01
4:01
4:02
4:02
4:04
4:05
4:05
Today's sea temperature in Monhegan Island is
7.6° C
(Statistics for 15 Dec 1981-2005 – mean: 6.5 max: 7.6 min: 5.0°C)
Issued (local time): 12 am Monday 15 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest