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 06:18 AM and sunset is at 06:36 PM.

Days 1–3 Weather Summary

Light rain (total 9mm), mostly falling on Sun night. Cool air temperatures (max 17°C on Mon afternoon, min 8°C on Tue morning). Mainly fresh winds.

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 17°C on Fri afternoon, min 8°C on Wed morning). Winds decreasing (fresh winds from the NE on Wed morning, light winds from the E by Thu afternoon).

Days 7–9 Weather Summary

Moderate rain (total 17mm), heaviest on Mon night. Very mild (max 15°C on Sat night, min 9°C on Sun morning). Winds increasing (calm on Sat night, strong winds from the ENE by Sun afternoon).

Days 10–12 Weather Summary

Light rain (total 8mm), mostly falling on Tue night. Very mild (max 17°C on Wed night, min 9°C on Thu night). Winds increasing (light winds from the W on Wed morning, fresh winds from the NNW by Thu night).

Days 13–16 Weather Summary

Mostly dry. Very mild (max 14°C on Mon night, min 8°C on Fri night). Winds increasing (light winds from the WSW on Sun night, strong winds from the S by Mon night).

Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
1
Friday
2
Saturday
3
Sunday
4
Mon
5
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
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
High Tide
6:37AM2.27m
6:45PM2.58m
7:35AM2.31m
7:43PM2.63m
8:27AM2.40m
8:35PM2.71m
9:12AM2.53m
9:21PM2.81m
9:51AM2.68m
10:03PM2.90m
10:27AM2.83m
10:42PM2.97m
11:02AM2.98m
11:22PM3.02m
11:38AM3.11m
00:02AM3.03m
12:15PM3.20m
00:45AM3.00m
12:57PM3.26m
1:31AM2.94m
1:42PM3.25m
2:21AM2.83m
2:33PM3.20m
3:17AM2.72m
3:30PM3.11m
4:21AM2.61m
4:35PM3.02m
5:31AM2.56m
5:47PM2.96m
Low Tide
12:28PM0.73m
1:21AM0.48m
1:27PM0.67m
2:14AM0.42m
2:21PM0.57m
2:59AM0.33m
3:08PM0.44m
3:39AM0.23m
3:50PM0.28m
4:15AM0.13m
4:30PM0.13m
4:51AM0.05m
5:10PM-0.02m
5:26AM-0.00m
5:50PM-0.13m
6:04AM-0.02m
6:32PM-0.20m
6:45AM-0.01m
7:18PM-0.22m
7:29AM0.05m
8:07PM-0.19m
8:18AM0.14m
9:02PM-0.11m
9:13AM0.25m
10:03PM-0.01m
10:15AM0.35m
11:11PM0.08m
11:26AM0.40m
Wave
Height (m)
Direction
Period (s)
0.5
S
3
0.5
S
4
0.5
S
4
0.5
SSE
4
0.4
SE
9
0.6
NE
4
0.5
SSE
8
0.4
SSE
8
0.7
SE
7
0.9
ESE
5
0.8
ESE
7
0.7
SE
9
0.8
ESE
10
0.9
SE
10
1.3
SE
11
1.5
SE
11
1.6
SE
11
1.5
ESE
11
1.3
ESE
10
1.3
SSE
10
1.3
SSE
10
1.8
E
6
1.9
E
6
1.8
SE
10
1.9
SE
10
1.8
SE
10
1.8
SE
10
1.3
ESE
10
1
ESE
10
0.8
ESE
10
0.6
ESE
9
0.6
SE
9
0.6
SE
8
0.7
SE
8
0.7
S
5
0.8
NNW
4
0.7
NW
3
1
WNW
4
0.9
WNW
4
1
W
4
1.1
WNW
4
0.7
NW
4
0.4
NNW
3
0.3
WSW
2
0.4
SW
3
0.6
SSW
3
1.2
SSW
5
cloud
light rain
mod rain
clear
part cloud
part cloud
cloud
clear
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
light rain
rain showers
part cloud
cloud
cloud
cloud
light rain
mod rain
light rain
cloud
light rain
rain showers
part cloud
part cloud
light rain
clear
cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
cloudy
light rain
mod rain
clear
some clouds
some clouds
cloudy
clear
clear
some clouds
clear
clear
clear
clear
some clouds
some clouds
cloudy
cloudy
cloudy
light rain
rain shwrs
some clouds
cloudy
cloudy
cloudy
light rain
mod rain
light rain
cloudy
light rain
rain shwrs
some clouds
some clouds
light rain
clear
cloudy
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
clear
clear
some clouds
some clouds
clear
km/h
25
SSE
15
S
25
NNE
30
N
10
NNE
25
NNE
20
NNE
10
ESE
25
ENE
30
ENE
20
ENE
20
NE
15
NE
10
E
25
NE
30
NE
30
ENE
30
NE
20
NNE
20
NE
40
NE
50
ENE
45
ENE
40
ENE
40
ENE
35
ENE
35
NE
25
NE
20
NE
10
N
10
W
15
SW
15
SSE
25
SW
20
SW
35
NNW
25
NW
40
WNW
35
WNW
35
WNW
40
WNW
30
NNW
20
NNW
20
SW
10
WSW
25
S
35
S
 mm
1
8
4
1
3
9
1
3
2
2
max °C
14
14
12
13
17
13
9
12
12
9
13
14
11
15
15
12
17
17
14
14
15
9
11
11
9
12
12
12
13
13
14
15
17
15
15
13
10
11
9
9
9
9
9
12
12
12
12
Moonrise
3:51
4:22
4:48
5:11
5:31
5:50
6:10
6:31
6:56
7:27
8:07
8:59
10:03
11:16
12:34
Moonset
12:33
1:40
2:48
3:57
5:07
6:17
7:30
8:46
10:04
11:23
12:38
1:44
2:38
3:19
3:51
Sunrise
6:18
6:18
6:20
6:22
6:22
6:24
6:24
6:26
6:26
6:28
6:30
6:31
6:31
6:33
6:35
6:35
Sunset
6:36
6:34
6:31
6:30
6:29
6:27
6:24
6:22
6:21
6:19
6:17
6:15
6:14
6:12
6:09
6:07
Today's sea temperature in Head Harbor, Isle au Haut, Penobscot Bay is
13.5°C
(Statistics for 20 Sep 1981-2005 – mean: 13.3 max: 14.7 min: 11.6°C)
Issued (local time): 7 am Sunday 20 Sep 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest