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

Some drizzle, heaviest during Wed night. Icy conditions (max 13°C on Tue night, min -3°C on Thu night). Winds increasing (light winds from the SW on Tue morning, strong winds from the SSW by Wed night).

Days 4–6 Weather Summary

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

Days 7–9 Weather Summary

Moderate rain (total 14mm), heaviest on Mon afternoon. Freeze-thaw conditions (max 8°C on Mon morning, min -9°C on Tue night). Winds decreasing (gales from the S on Mon morning, light winds from the SW by Wed night).

Days 10–12 Weather Summary

Light rain (total 4mm), mostly falling on Fri afternoon. Freeze-thaw conditions (max 3°C on Fri afternoon, min -12°C on Sun morning). Winds increasing (moderate winds from the SW on Thu morning, near gales from the NW by Sat night).

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
0.8
S
6
1.8
E
6
1.2
ESE
6
2.1
S
7
2.1
S
8
1.5
S
8
1.3
S
8
0.9
S
8
0.9
S
8
1.3
S
6
1.7
SSE
7
1.3
SSE
8
1
S
8
0.6
S
8
0.7
S
8
2.5
S
7
3.5
S
9
3.5
S
10
2.4
S
10
1.9
S
10
1.7
S
10
1.6
SSE
10
1.3
SSE
10
1.2
SSE
10
0.8
SSE
9
0.9
SSE
9
1.1
SSE
8
1.6
SSW
6
1.8
S
6
2.4
S
7
1.4
S
7
1.2
NW
4
1.6
NW
5
1.4
NW
5
1.3
NNW
5
1.3
NNW
5
0.4
NNW
4
0.9
SE
4
1.9
SSE
6
1.5
SSE
7
1.2
S
8
1
S
9
1
S
9
1.1
S
8
1.2
E
5
clear
clear
part cloud
part cloud
cloud
light rain
cloud
cloud
part cloud
clear
cloud
light snow
snow showers
cloud
part cloud
cloud
cloud
light rain
light rain
light rain
light rain
cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
part cloud
cloud
light rain
part cloud
part cloud
clear
clear
clear
clear
part cloud
light snow
light snow
rain showers
part cloud
clear
cloud
light snow
light snow
clear
clear
some clouds
some clouds
cloudy
light rain
cloudy
cloudy
some clouds
clear
cloudy
light snow
snow shwrs
cloudy
some clouds
cloudy
cloudy
light rain
light rain
light rain
light rain
cloudy
some clouds
some clouds
some clouds
cloudy
some clouds
cloudy
cloudy
some clouds
cloudy
light rain
some clouds
some clouds
clear
clear
clear
clear
some clouds
light snow
light snow
rain shwrs
some clouds
clear
cloudy
light snow
light snow
 km/h
15
SW
25
SW
25
NE
40
E
25
SE
40
SSW
40
WSW
40
NW
40
NW
20
WNW
30
SSW
35
SSE
25
W
25
NNW
30
NW
10
SSE
30
SSE
55
S
60
S
55
SSW
20
NW
25
NW
30
NW
30
NW
35
WNW
35
WNW
10
SW
25
SW
30
SW
40
SSW
45
S
50
SW
40
WNW
45
NW
55
NW
50
NW
45
NW
45
NNW
20
N
45
SE
45
SE
30
WSW
25
NW
15
NW
30
NNE
30
ENE
35
E
 mm 
1
1
2
4
5
5
4
3
max°C
9
9
13
1
2
7
7
5
-1
-2
0
1
2
1
2
-1
0
7
8
8
5
-3
-1
-3
-8
-4
-1
1
2
2
2
3
3
-5
-4
-7
-10
-5
-7
-4
0
3
7
7
5
-6
-4
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): 7 am Tuesday 10 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest