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 06:37 AM and sunset is at 05:00 PM.

Days 1–3 Weather Summary

Mostly dry. Icy conditions (max 1°C on Thu afternoon, min -5°C on Thu night). Winds decreasing (strong winds from the N on Wed night, calm by Fri night).

Days 4–6 Weather Summary

Mostly dry. Icy conditions (max 2°C on Mon night, min -7°C on Sun morning). Winds decreasing (strong winds from the NW on Sat night, calm by Mon morning).

Days 7–9 Weather Summary

Mild at first with light rain (total 5mm) on Wed afternoon followed by colder weather and light fall of snow, heaviest on Wed afternoon. Freeze-thaw conditions (max 3°C on Tue night, min -8°C on Wed night). Mainly near gales.

Days 10–12 Weather Summary

A light covering of new snow, mostly falling on Sat night. Temperatures will be below freezing (max 0°C on Fri night, min -6°C on Sun morning). Winds decreasing (strong winds from the NNW on Sun night, light winds from the WSW by Mon night).

Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Fri
27
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
Wave Height Map
High Tide
7:32PM2.22m
7:39AM2.63m
8:23PM2.30m
8:27AM2.73m
9:07PM2.41m
9:11AM2.84m
9:46PM2.53m
9:50AM2.94m
10:22PM2.66m
10:28AM3.03m
10:57PM2.79m
11:06AM3.08m
11:32PM2.91m
11:46AM3.08m
00:09AM3.01m
12:28PM3.05m
00:49AM3.08m
1:13PM2.96m
1:33AM3.10m
2:03PM2.83m
2:22AM3.07m
2:58PM2.69m
3:18AM3.01m
4:02PM2.54m
4:21AM2.94m
5:14PM2.45m
5:33AM2.91m
6:30PM2.46m
Low Tide
1:21PM0.40m
1:20AM0.60m
2:12PM0.31m
2:10AM0.52m
2:57PM0.21m
2:55AM0.40m
3:36PM0.10m
3:36AM0.27m
4:11PM-0.01m
4:15AM0.14m
4:45PM-0.09m
4:53AM0.03m
5:20PM-0.16m
5:33AM-0.07m
5:57PM-0.18m
6:16AM-0.14m
6:36PM-0.16m
7:01AM-0.17m
7:19PM-0.09m
7:51AM-0.15m
8:06PM0.01m
8:45AM-0.08m
8:59PM0.14m
9:48AM0.01m
10:00PM0.27m
10:57AM0.08m
11:09PM0.35m
12:12PM0.08m
Wave
height (m) 
direction
period (s) 
1
N
4
0.9
NNW
4
0.9
NNW
4
0.7
NNW
4
0.4
NW
3
0.2
SSE
10
0.2
SSE
9
0.2
SSE
8
0.4
SSE
8
1.2
NNW
4
0.5
NNW
3
0.2
ESE
8
0.1
SE
8
0.1
SE
9
0.4
SW
3
0.6
S
8
0.6
S
9
0.6
S
8
1.1
S
5
0.9
S
6
1.8
NNE
5
1.1
NNW
4
1
NNW
4
0.4
S
8
0.4
S
7
1.2
ESE
4
1.6
SE
7
1.3
SSE
7
1
S
8
1.1
S
8
1.3
ESE
7
1
ESE
7
1.2
NNW
4
0.9
NNW
4
0.6
WNW
3
0.1
SE
9
0.5
SW
5
0.7
NNW
4
0.3
SSW
8
1.1
SSW
4
1.4
S
6
1.4
S
7
1.6
ENE
5
2
ENE
6
3
ENE
7
3
E
8
part cloud
part cloud
clear
clear
clear
cloud
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
cloud
cloud
clear
part cloud
cloud
light rain
light snow
snow showers
clear
clear
part cloud
light snow
light snow
cloud
cloud
cloud
light snow
light snow
cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
light snow
light snow
light snow
light snow
mod snow
heavy snow
mod snow
some clouds
some clouds
clear
clear
clear
cloudy
clear
clear
some clouds
some clouds
clear
some clouds
some clouds
cloudy
cloudy
clear
some clouds
cloudy
light rain
light snow
snow shwrs
clear
clear
some clouds
light snow
light snow
cloudy
cloudy
cloudy
light snow
light snow
cloudy
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
cloudy
light snow
light snow
light snow
light snow
mod snow
heavy snow
mod snow
 km/h
35
NNW
35
NNW
35
NNW
30
NW
20
WNW
5
W
10
NNE
10
W
25
WNW
40
NNW
25
NNW
10
NNE
0
ESE
10
SW
15
SW
10
N
5
S
15
S
30
SW
5
N
55
N
40
NNW
35
NNW
15
NNE
25
ESE
40
ESE
20
ENE
15
NE
20
ENE
25
NE
35
N
35
NNW
40
NNW
35
NW
25
WNW
5
ENE
25
N
30
NNW
5
ESE
40
SSW
35
SE
30
NE
35
NE
45
NE
60
ENE
60
NE
 mm 
1
4
4
max°C
0
1
-3
-2
-1
-1
-1
1
1
-5
-3
-3
-1
0
2
1
1
3
3
2
-3
-2
-1
-3
-2
0
0
-3
-1
0
-5
-1
-2
-2
-1
-1
-3
-2
0
1
3
1
-3
-4
-4
-7
Moonrise
3:46
4:35
5:16
5:50
6:17
6:40
7:01
7:20
7:40
8:01
8:26
8:58
9:38
10:31
11:36
12:51
Moonset
11:50
12:48
1:54
3:04
4:16
5:28
6:40
7:53
9:08
10:24
11:44
1:03
2:17
3:22
4:14
Sunrise
6:37
6:35
6:35
6:33
6:31
6:30
6:28
6:26
6:24
6:24
6:22
6:20
6:18
6:16
6:16
6:13
Sunset
5:00
5:00
5:01
5:04
5:05
5:06
5:07
5:08
5:09
5:12
5:13
5:14
5:15
5:16
5:17
Today's sea temperature in Head Harbor, Isle au Haut, Penobscot Bay is
2.3° C
(Statistics for 12 Feb 1981-2005 – mean: 3.4 max: 4.4 min: 2.3°C)
Issued (local time): 12 am Thursday 12 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
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