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 06:54 AM and sunset is at 03:56 PM.

Days 1–3 Weather Summary

Light rain (total 8mm), mostly falling on Sun night. Icy conditions (max 4°C on Sun night, min -8°C on Mon morning). Winds increasing (light winds from the ESE on Sun afternoon, near gales from the SSW by Tue night).

Days 4–6 Weather Summary

Moderate rain (total 11mm), heaviest on Wed afternoon. Icy conditions (max 8°C on Wed afternoon, min -3°C on Thu night). Winds decreasing (near gales from the SSW on Wed afternoon, moderate winds from the WSW by Fri morning).

Days 7–9 Weather Summary

Mostly dry. Temperatures will be below freezing (max -2°C on Sun morning, min -7°C on Sat night). Winds decreasing (near gales from the W on Sat night, moderate winds from the NW by Sun night).

Days 10–12 Weather Summary

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

Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
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
11:59AM3.47m
00:47AM2.89m
12:55PM3.33m
1:45AM2.82m
1:54PM3.15m
2:43AM2.76m
2:55PM2.96m
3:43AM2.71m
3:58PM2.78m
4:42AM2.69m
5:01PM2.64m
5:39AM2.69m
6:03PM2.55m
6:32AM2.72m
7:02PM2.49m
7:22AM2.75m
7:55PM2.47m
8:07AM2.79m
8:44PM2.47m
8:49AM2.82m
9:28PM2.48m
9:28AM2.86m
10:08PM2.49m
Low Tide
6:30PM-0.44m
6:39AM0.04m
7:26PM-0.30m
7:38AM0.14m
8:23PM-0.15m
8:40AM0.25m
9:21PM0.00m
9:44AM0.33m
10:20PM0.14m
10:50AM0.37m
11:17PM0.26m
11:53AM0.36m
00:12AM0.34m
12:52PM0.31m
1:04AM0.40m
1:45PM0.26m
1:52AM0.44m
2:33PM0.19m
2:36AM0.45m
3:16PM0.14m
3:15AM0.45m
3:56PM0.10m
3:53AM0.44m
Wave
height (m) 
direction
period (s) 
0.7
SE
9
0.7
SE
8
1.1
SE
8
1.6
NW
5
1.2
NNW
4
0.7
NW
4
0.2
ESE
9
0.8
SW
4
2.3
SSW
6
1.4
SSW
7
1.3
SSW
7
2.4
SSW
8
1.6
S
8
1.4
S
8
1.5
S
10
0.9
S
10
0.8
S
9
1.5
SSW
6
1.2
SSW
7
1.5
W
5
1.5
W
5
2.1
WSW
6
1.3
WSW
5
0.7
WNW
3
0.7
NNW
3
0.8
NNW
4
0.9
NNW
4
0.5
N
4
0.4
SSE
10
1
SW
4
2.5
SW
7
1.8
SSW
8
2.2
SSW
8
3.5
SSW
9
3
S
10
2.2
S
9
part cloud
cloud
rain showers
clear
clear
clear
clear
cloud
rain showers
cloud
light rain
mod rain
cloud
part cloud
part cloud
part cloud
cloud
light rain
part cloud
cloud
part cloud
clear
clear
part cloud
clear
clear
part cloud
part cloud
clear
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
some clouds
cloudy
rain shwrs
clear
clear
clear
clear
cloudy
rain shwrs
cloudy
light rain
mod rain
cloudy
some clouds
some clouds
some clouds
cloudy
light rain
some clouds
cloudy
some clouds
clear
clear
some clouds
clear
clear
some clouds
some clouds
clear
cloudy
cloudy
cloudy
some clouds
cloudy
cloudy
cloudy
 km/h
25
NNW
10
N
50
WSW
50
NW
35
NW
30
NW
15
WSW
35
SW
60
SSW
35
WSW
35
SSW
50
WSW
35
WSW
35
WNW
35
NW
20
W
25
WSW
40
W
40
WNW
55
WNW
50
W
55
W
40
W
25
NW
35
NNW
35
NNW
35
NNW
25
N
20
WNW
40
SW
60
WSW
40
WSW
50
SW
65
SW
55
SW
50
NW
 mm 
3
5
4
6
1
max°C
-1
-1
4
-8
-7
-7
-2
1
4
5
8
8
6
4
1
0
3
3
-3
-4
-5
-2
-2
-3
-4
-3
-7
-5
-4
1
1
3
6
7
7
6
Moonrise
6:49
8:09
9:24
10:34
11:41
12:46
1:50
2:54
4:00
5:05
6:08
Moonset
9:57
10:33
11:01
11:24
11:43
12:00
12:17
12:36
12:56
1:20
1:50
2:28
Sunrise
6:54
6:56
6:56
6:58
6:58
6:58
7:00
7:01
7:01
7:03
7:03
7:03
Sunset
3:56
3:56
3:56
3:56
3:56
3:56
3:56
3:56
3:56
3:56
3:56
3:56
Today's sea temperature in Head Harbor, Isle au Haut, Penobscot Bay is
8.2° C
(Statistics for 07 Dec 1981-2005 – mean: 7.1 max: 8.3 min: 5.9°C)
Issued (local time): 12 pm Sunday 07 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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