Head Harbor, Isle au Haut, Penobscot Bay Sea Conditions and Tide Table

Head Harbor, Isle au Haut, Penobscot Bay 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 07:07 AM and sunset is at 04:00 PM.

Days 1–3 Weather Summary

A dusting of new snow. Icy conditions (max 1°C on Wed night, min -11°C on Thu night). Winds increasing (light winds from the NW on Wed night, near gales from the NNW by Thu afternoon).

Days 4–6 Weather Summary

Light rain (total 6mm), mostly falling on Mon afternoon. Icy conditions (max 7°C on Mon afternoon, min -6°C on Sat night). Winds increasing (calm on Sun night, near gales from the W by Mon night).

Days 7–9 Weather Summary

Light rain (total 5mm), mostly falling on Thu afternoon. Freeze-thaw conditions (max 4°C on Thu night, min -10°C on Fri afternoon). Winds increasing (light winds from the W on Wed afternoon, strong winds from the NNW by Fri morning).

Days 10–12 Weather Summary

Light rain (total 6mm), mostly falling on Sun night. Freeze-thaw conditions (max 4°C on Sun night, min -13°C on Fri night). Mainly strong winds.

Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Mon
5
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
1:58PM2.83m
2:38AM2.65m
2:48PM2.77m
3:25AM2.73m
3:43PM2.71m
4:17AM2.83m
4:43PM2.66m
5:13AM2.94m
5:46PM2.65m
6:10AM3.07m
6:52PM2.66m
7:09AM3.19m
7:54PM2.69m
8:07AM3.28m
8:55PM2.76m
9:05AM3.38m
9:52PM2.84m
10:01AM3.44m
10:47PM2.90m
10:56AM3.44m
11:40PM2.93m
11:49AM3.38m
Low Tide
7:47AM0.36m
8:19PM0.07m
8:38AM0.32m
9:06PM0.09m
9:33AM0.27m
9:56PM0.11m
10:33AM0.19m
10:51PM0.13m
11:36AM0.08m
11:50PM0.14m
12:40PM-0.05m
00:49AM0.12m
1:42PM-0.20m
1:48AM0.10m
2:41PM-0.30m
2:47AM0.02m
3:38PM-0.41m
3:43AM-0.04m
4:32PM-0.47m
4:39AM-0.08m
5:24PM-0.47m
5:33AM-0.08m
6:15PM-0.41m
Wave
height (m) 
direction
period (s) 
0.9
SE
9
1.1
NW
4
1.7
NNW
5
1.2
N
5
0.7
N
4
0.5
NNE
3
0.5
NNE
3
0.6
N
3
0.8
NNW
4
0.9
NNW
4
0.8
NW
4
0.2
S
8
0.6
S
4
1.4
S
6
2.2
SW
7
2
SSW
9
1.7
SSW
9
1.4
SSW
9
0.8
S
9
0.5
S
9
1.3
SW
5
1.6
SSW
7
1.4
SSW
8
1.7
S
8
1.5
S
7
1.3
NW
4
0.9
NNW
4
0.6
S
8
0.7
NW
4
0.4
NW
3
0.4
NW
3
0.1
SE
9
0.9
SSW
4
1.5
S
7
1.1
S
7
snow showers
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
cloud
light rain
light rain
cloud
cloud
part cloud
clear
clear
part cloud
cloud
cloud
light rain
light rain
cloud
clear
part cloud
part cloud
cloud
part cloud
clear
cloud
light rain
rain showers
clear
snow shwrs
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
cloudy
light rain
light rain
cloudy
cloudy
some clouds
clear
clear
some clouds
cloudy
cloudy
light rain
light rain
cloudy
clear
some clouds
some clouds
cloudy
some clouds
clear
cloudy
light rain
rain shwrs
clear
 km/h
30
W
50
NNW
55
NNW
40
NNW
30
N
25
N
25
N
30
NNW
35
NW
40
NW
30
NW
5
W
30
SSE
40
SW
60
W
50
W
45
W
45
W
25
WNW
20
W
45
WSW
45
SW
35
SW
40
SW
50
NNW
45
NW
30
NW
25
NW
35
NW
25
NW
15
NNW
0
ESE
40
SW
35
WSW
30
W
 mm 
2
4
3
2
5
1
max°C
0
-1
-7
-9
-8
-9
-7
-6
-3
0
1
4
6
7
4
-5
-5
-6
-5
-3
2
3
3
4
-5
-8
-12
-11
-9
-9
-8
-4
4
3
3
Moonrise
10:30
10:49
11:09
11:29
11:53
12:23
1:02
1:55
3:01
4:19
5:40
7:00
Moonset
9:50
11:01
12:13
1:30
2:50
4:13
5:33
6:45
7:43
8:26
8:59
Sunrise
7:07
7:07
7:07
7:07
7:07
7:09
7:09
7:09
7:09
7:09
7:09
7:09
Sunset
4:00
4:01
4:01
4:02
4:04
4:05
4:06
4:07
4:07
4:07
4:08
4:09
Today's sea temperature in Head Harbor, Isle au Haut, Penobscot Bay is
6.1° C
(Statistics for 25 Dec 1981-2005 – mean: 5.9 max: 6.7 min: 4.2°C)
Issued (local time): 12 am Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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