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 07:09 AM and sunset is at 04:05 PM.

Days 1–3 Weather Summary

Mostly dry. Icy conditions (max 1°C on Sun morning, min -12°C on Thu night). Winds decreasing (near gales from the NNW on Thu night, light winds from the WNW by Sun afternoon).

Days 4–6 Weather Summary

Moderate rain (total 15mm), heaviest on Mon afternoon. Icy conditions (max 8°C on Mon afternoon, min -6°C on Tue night). Winds increasing (calm on Sun night, gales from the WSW by Mon night).

Days 7–9 Weather Summary

Mostly dry. Temperatures will be below freezing (max -2°C on Wed night, min -8°C on Fri night). Winds decreasing (near gales from the WSW on Wed night, light winds from the WNW by Fri afternoon).

Days 10–12 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 2°C on Sun night, min -13°C on Tue morning). Winds increasing (light winds from the NW on Sun morning, near gales from the N by Tue afternoon).

Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tue
6
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
2:56PM2.70m
3:33AM2.65m
3:51PM2.64m
4:24AM2.75m
4:49PM2.59m
5:18AM2.85m
5:52PM2.57m
6:16AM2.97m
6:58PM2.59m
7:16AM3.09m
8:00PM2.62m
8:13AM3.18m
9:00PM2.69m
9:10AM3.27m
9:57PM2.77m
10:06AM3.33m
10:52PM2.83m
11:01AM3.34m
11:45PM2.86m
11:54AM3.29m
00:36AM2.86m
12:46PM3.18m
Low Tide
8:51AM0.32m
9:19PM0.09m
9:46AM0.27m
10:09PM0.11m
10:44AM0.19m
11:01PM0.13m
11:45AM0.09m
11:58PM0.14m
12:49PM-0.03m
00:59AM0.12m
1:51PM-0.17m
1:57AM0.10m
2:49PM-0.28m
2:55AM0.03m
3:45PM-0.38m
3:52AM-0.03m
4:41PM-0.44m
4:47AM-0.07m
5:33PM-0.45m
5:42AM-0.08m
6:24PM-0.40m
6:34AM-0.04m
Wave
height (m) 
direction
period (s) 
1
N
4
0.5
N
3
0.5
ENE
5
0.7
ENE
5
0.5
ESE
12
0.6
N
4
0.6
NW
3
0.4
NW
3
0.1
SE
9
0.5
S
4
1.6
SSE
6
2.1
SSW
6
3
SSW
8
2.5
SW
8
2.5
SW
7
2.5
SW
7
2.2
SW
7
1.6
SW
6
1.1
WSW
5
1.2
WSW
6
0.9
WSW
6
0.8
SW
6
0.6
SW
5
0.5
SW
5
0.4
WSW
4
0.3
S
7
0.5
N
3
0.1
SE
9
0.2
SSE
5
1.4
SW
5
1.4
SSW
6
1.1
SSW
6
1
NNW
4
1.3
N
5
1.3
N
5
clear
part cloud
cloud
cloud
clear
clear
clear
clear
part cloud
light rain
mod rain
rain showers
cloud
cloud
cloud
clear
part cloud
cloud
part cloud
cloud
part cloud
cloud
part cloud
part cloud
clear
cloud
clear
clear
cloud
part cloud
clear
snow showers
clear
clear
clear
clear
some clouds
cloudy
cloudy
clear
clear
clear
clear
some clouds
light rain
mod rain
rain shwrs
cloudy
cloudy
cloudy
clear
some clouds
cloudy
some clouds
cloudy
some clouds
cloudy
some clouds
some clouds
clear
cloudy
clear
clear
cloudy
some clouds
clear
snow shwrs
clear
clear
clear
 km/h
35
N
25
N
25
NNE
30
NNE
25
NNW
25
NW
35
NW
20
NW
5
ESE
25
SSE
35
SSE
55
WSW
60
W
55
W
60
W
60
W
55
W
45
W
40
WNW
40
W
25
W
15
WNW
15
NNW
25
NNW
20
NNW
15
NW
30
NNW
10
NW
20
SSW
45
SW
35
WSW
30
WNW
45
NNW
50
N
50
NNW
 mm 
2
9
4
max°C
-9
-8
-8
-7
-6
-5
1
1
4
6
8
8
-2
-3
-5
-2
-1
-2
-5
-5
-6
-6
-5
-4
-7
-6
-7
-8
-3
2
2
2
-3
-11
-10
Moonrise
10:52
11:12
11:32
11:57
12:27
1:06
1:59
3:05
4:23
5:44
7:03
8:18
Moonset
11:04
12:16
1:32
2:52
4:15
5:35
6:47
7:45
8:28
9:01
9:26
Sunrise
7:09
7:09
7:09
7:09
7:09
7:11
7:11
7:11
7:11
7:11
7:11
7:09
Sunset
4:05
4:06
4:07
4:07
4:07
4:08
4:09
4:10
4:12
4:13
4:14
4:15
Today's sea temperature in Monhegan Island is
6.7° C
(Statistics for 26 Dec 1981-2005 – mean: 5.7 max: 6.7 min: 4.0°C)
Issued (local time): 12 am Friday 26 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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