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 05:28 AM and sunset is at 07:34 PM.

Days 1–3 Weather Summary

Moderate rain (total 18mm), heaviest on Thu night. Cool air temperatures (max 10°C on Fri night, min 4°C on Wed morning). Mainly strong winds.

Days 4–6 Weather Summary

Light rain (total 2mm), mostly falling on Sun night. Low air temperatures (max 9°C on Mon night, min 5°C on Sat morning). Winds increasing (calm on Sat night, strong winds from the SSW by Mon night).

Days 7–9 Weather Summary

Moderate rain (total 10mm), heaviest on Tue night. Mild temperatures (max 9°C on Tue morning, min 4°C on Thu morning). Winds decreasing (near gales from the S on Tue afternoon, calm by Wed morning).

Days 10–12 Weather Summary

Some drizzle, heaviest during Sun afternoon. Very mild (max 11°C on Fri afternoon, min 6°C on Fri night). Mainly fresh winds.

Wednesday
29
Thursday
30
Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wednesday
6
Thursday
7
Friday
8
Saturday
9
Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thu
14
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
10:16AM2.86m
10:32PM3.03m
11:00AM2.84m
11:09PM3.05m
11:41AM2.80m
11:44PM3.04m
12:19PM2.75m
00:19AM3.01m
12:55PM2.69m
00:53AM2.97m
1:32PM2.62m
1:29AM2.91m
2:11PM2.55m
2:08AM2.85m
2:51PM2.48m
2:50AM2.78m
3:35PM2.43m
3:36AM2.72m
4:23PM2.41m
4:26AM2.66m
5:13PM2.43m
5:21AM2.63m
6:05PM2.51m
6:18AM2.63m
6:57PM2.63m
7:16AM2.68m
7:47PM2.80m
8:13AM2.75m
Low Tide
4:18PM0.16m
4:48AM-0.02m
4:58PM0.20m
5:28AM-0.05m
5:35PM0.25m
6:06AM-0.04m
6:10PM0.31m
6:42AM0.00m
6:44PM0.38m
7:18AM0.06m
7:20PM0.45m
7:56AM0.14m
7:57PM0.51m
8:35AM0.22m
8:38PM0.56m
9:18AM0.29m
9:23PM0.61m
10:04AM0.35m
10:13PM0.64m
10:53AM0.38m
11:08PM0.62m
11:44AM0.38m
00:06AM0.56m
12:37PM0.35m
1:05AM0.43m
1:29PM0.29m
2:02AM0.24m
2:20PM0.20m
Wave
height (m) 
direction
period (s) 
1.6
SE
10
1.6
SE
10
1.7
SE
10
1.8
SE
10
2
ESE
7
1.5
ESE
7
1.1
SE
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
10
0.8
ESE
10
0.8
ESE
10
0.6
ESE
9
0.6
ESE
9
0.4
ESE
8
0.7
S
10
0.9
SSE
9
1.6
S
7
1.9
S
6
3
S
8
2.3
S
9
1.3
S
8
1
S
7
0.7
S
7
0.7
S
7
1
SSE
4
1.5
S
6
1.3
S
7
1.1
S
7
1.1
S
8
0.9
S
8
1
S
7
0.8
S
7
0.6
S
7
0.6
S
7
0.6
S
7
0.5
S
6
0.5
S
6
0.4
SE
11
0.6
SE
11
0.7
E
5
0.4
SE
10
0.3
SE
10
0.4
SE
10
0.4
SE
10
0.3
SE
10
0.4
SE
8
light rain
cloud
light rain
cloud
mod rain
mod rain
cloud
part cloud
clear
clear
clear
part cloud
clear
clear
rain showers
clear
clear
part cloud
part cloud
part cloud
rain showers
part cloud
part cloud
clear
cloud
light rain
light rain
cloud
part cloud
clear
clear
part cloud
clear
clear
light rain
part cloud
cloud
cloud
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
light rain
cloudy
light rain
cloudy
mod rain
mod rain
cloudy
some clouds
clear
clear
clear
some clouds
clear
clear
rain shwrs
clear
clear
some clouds
some clouds
some clouds
rain shwrs
some clouds
some clouds
clear
cloudy
light rain
light rain
cloudy
some clouds
clear
clear
some clouds
clear
clear
light rain
some clouds
cloudy
cloudy
clear
some clouds
some clouds
some clouds
clear
clear
some clouds
clear
clear
 km/h
20
E
25
ESE
30
ESE
35
ESE
40
SE
5
W
20
NW
15
W
20
W
20
SW
20
SSW
5
NNW
5
W
25
WSW
20
NW
25
SW
30
S
30
SSW
45
S
55
SSW
30
WSW
5
NNE
20
SSW
10
SSW
20
SE
30
SSE
30
S
15
WNW
20
WSW
25
W
25
SW
25
WSW
20
WNW
20
SW
20
W
20
W
15
WSW
20
SW
25
N
20
E
5
SSE
15
W
5
SW
25
SW
15
SW
5
SSE
15
SSW
 mm 
1
2
6
9
2
6
1
3
1
max°C
4
4
5
6
6
7
8
9
10
7
8
8
6
8
8
6
8
9
9
9
9
8
9
9
7
8
9
9
11
10
8
10
8
8
9
10
8
9
10
6
6
6
8
9
10
14
16
Moonrise
5:50
6:57
8:04
9:10
10:13
11:11
12:01
12:42
1:16
1:43
2:07
2:27
2:47
3:07
3:28
Moonset
4:15
4:34
4:56
5:22
5:53
6:31
7:18
8:14
9:16
10:22
11:30
12:38
1:48
3:00
4:14
5:33
Sunrise
5:28
5:28
5:26
5:24
5:22
5:22
5:20
5:18
5:18
5:16
5:15
5:13
5:13
5:11
5:11
5:09
Sunset
7:34
7:36
7:37
7:37
7:38
7:39
7:40
7:43
7:44
7:45
7:45
7:46
7:47
7:50
7:51
7:52
Today's sea temperature in Head Harbor, Isle au Haut, Penobscot Bay is
5.3° C
(Statistics for 29 Apr 1981-2005 – mean: 5.9 max: 7.2 min: 4.4°C)
Issued (local time): 1 am Wednesday 29 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest