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 06:56 AM and sunset is at 06:32 PM.

Days 1–3 Weather Summary

A dusting of snow turning to light rain (total 4mm) on Wed night. Icy conditions (max 12°C on Tue night, min -3°C on Thu night). Winds increasing (light winds from the SW on Tue morning, strong winds from the WSW by Thu morning).

Days 4–6 Weather Summary

A light covering of new snow, mostly falling on Fri night. Becoming milder with light rain (total 7mm) on Sat morning. Icy conditions (max 7°C on Sun night, min -3°C on Fri morning). Winds increasing (light winds from the NE on Sat night, near gales from the S by Sun night).

Days 7–9 Weather Summary

Moderate rain (total 18mm), heaviest on Mon afternoon. Freeze-thaw conditions (max 8°C on Mon morning, min -7°C on Tue night). Winds decreasing (gales from the SSW on Mon afternoon, calm by Wed night).

Days 10–12 Weather Summary

Some drizzle, heaviest during Fri afternoon. Freeze-thaw conditions (max 5°C on Fri night, min -2°C on Sat night). Winds decreasing (strong winds from the SSW on Fri afternoon, calm by Sun morning).

Tuesday
10
Wednesday
11
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
Wed
25
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
PM
Wave Height Map
High Tide
4:44PM2.30m
4:54AM2.56m
5:42PM2.21m
5:53AM2.51m
6:45PM2.18m
6:55AM2.51m
7:46PM2.22m
7:55AM2.58m
8:40PM2.33m
8:48AM2.69m
9:26PM2.48m
9:35AM2.82m
10:06PM2.65m
10:18AM2.94m
10:44PM2.84m
11:00AM3.04m
11:21PM3.01m
11:41AM3.11m
11:59PM3.16m
12:24PM3.12m
00:40AM3.26m
1:09PM3.08m
1:23AM3.30m
1:57PM2.98m
2:11AM3.27m
2:50PM2.85m
3:03AM3.18m
3:49PM2.70m
Low Tide
10:30AM0.36m
10:36PM0.61m
11:27AM0.46m
11:33PM0.68m
12:30PM0.50m
00:34AM0.70m
1:32PM0.48m
1:36AM0.65m
2:27PM0.39m
2:31AM0.53m
3:14PM0.27m
3:20AM0.37m
3:54PM0.14m
4:04AM0.19m
4:33PM0.01m
4:46AM0.01m
5:10PM-0.09m
5:28AM-0.16m
5:48PM-0.16m
6:11AM-0.28m
6:28PM-0.18m
6:56AM-0.35m
7:11PM-0.14m
7:44AM-0.34m
7:57PM-0.06m
8:35AM-0.27m
8:48PM0.07m
9:33AM-0.15m
Wave
height (m) 
direction
period (s) 
0.9
S
7
0.8
S
7
0.9
S
6
1.6
E
6
1.2
ESE
6
1.9
S
7
2.2
S
8
1.5
S
8
1.3
S
8
0.9
S
8
0.9
S
8
1.3
S
5
1.9
SSE
8
1.6
SSE
8
1
S
9
0.7
S
8
1.1
SSE
4
2.5
S
7
3.5
S
9
4
S
10
3
S
10
2.2
S
10
1.9
S
10
1.7
SSE
10
1.4
SSE
10
1.2
SSE
10
0.9
SSE
9
1.1
SSE
8
1.3
SSE
8
1.3
SSW
6
1.3
SSW
5
1.8
SSW
6
1.2
S
7
0.9
ESE
10
0.7
SE
10
0.7
SE
9
0.5
SE
9
0.6
SE
8
0.9
NNW
4
0.9
N
4
0.8
NNW
4
0.8
NNW
4
0.7
NNW
4
0.4
NNW
3
0.2
SSE
15
1.5
S
5
1.8
S
7
clear
clear
clear
cloud
light snow
light rain
light rain
light rain
part cloud
part cloud
part cloud
light snow
mod rain
part cloud
part cloud
cloud
light snow
cloud
light rain
mod rain
mod rain
cloud
cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
light rain
part cloud
cloud
cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
light snow
cloud
mod rain
clear
clear
clear
cloudy
light snow
light rain
light rain
light rain
some clouds
some clouds
some clouds
light snow
mod rain
some clouds
some clouds
cloudy
light snow
cloudy
light rain
mod rain
mod rain
cloudy
cloudy
some clouds
cloudy
cloudy
some clouds
some clouds
some clouds
cloudy
cloudy
light rain
some clouds
cloudy
cloudy
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
light snow
cloudy
mod rain
 km/h
15
SW
25
SSW
25
NE
40
E
30
SE
40
SSW
50
WSW
35
NW
35
NW
25
W
30
SSW
35
SSE
20
WSW
40
NNW
15
N
20
SE
35
S
55
S
60
S
65
SSW
25
SSW
30
NW
35
NW
40
NW
25
WNW
35
NW
20
S
30
SW
35
SSW
35
SSW
40
SSW
45
SSW
30
WNW
30
WNW
25
NW
25
N
5
SSW
25
SW
45
NNW
35
N
30
NNW
35
NNW
30
NNW
15
NW
15
S
45
SSE
25
SW
 mm 
2
1
1
7
5
6
7
1
10
max°C
10
9
12
1
2
7
7
4
-1
-2
0
1
4
1
-1
-1
2
7
8
8
8
1
0
-3
-6
-2
0
1
1
1
2
3
5
3
5
2
-1
2
3
-9
-3
-3
-6
-1
-2
1
5
Moonrise
1:35
2:35
3:28
4:12
4:48
5:17
5:42
6:04
6:24
6:44
7:05
7:29
7:59
8:37
9:27
10:29
Moonset
9:55
10:40
11:34
12:36
1:44
2:55
4:07
5:20
6:34
7:49
9:08
10:28
11:50
1:08
2:16
Sunrise
6:56
6:54
6:52
6:50
6:48
6:47
6:45
6:43
6:41
6:39
6:37
6:35
6:33
6:33
6:31
6:28
Sunset
6:32
6:35
6:36
6:37
6:37
6:39
6:40
6:42
6:43
6:45
6:45
6:46
6:47
6:49
6:51
6:52
Today's sea temperature in Head Harbor, Isle au Haut, Penobscot Bay is
2.3° C
(Statistics for 10 Mar 1981-2005 – mean: 3.0 max: 4.3 min: 1.9°C)
Issued (local time): 1 am Tuesday 10 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest