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 — and sunset is at 04:00 PM.

Days 1–4 Weather Summary

A dusting of new snow. Icy conditions (max 1°C on Wed night, min -11°C on Thu night). Winds increasing (light winds from the NW on Wed night, near gales from the NNW by Thu afternoon).

Days 5–7 Weather Summary

Light rain (total 9mm), mostly falling on Mon afternoon. Icy conditions (max 7°C on Mon afternoon, min -6°C on Sat afternoon). Winds increasing (light winds from the N on Sun night, near gales from the W by Mon night).

Days 8–10 Weather Summary

A light covering of new snow, mostly falling on Thu afternoon. Freeze-thaw conditions (max 2°C on Wed night, min -5°C on Tue night). Winds decreasing (strong winds from the WSW on Wed night, calm by Thu night).

Days 11–13 Weather Summary

A dusting of snow turning to light rain (total 4mm) on Sun night. Freeze-thaw conditions (max 5°C on Mon afternoon, min -11°C on Fri night). Mainly strong winds.

Wed
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Mon
5
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
1:13PM2.87m
1:53AM2.58m
1:58PM2.83m
2:38AM2.65m
2:48PM2.77m
3:25AM2.73m
3:43PM2.71m
4:17AM2.83m
4:43PM2.66m
5:13AM2.94m
5:46PM2.65m
6:10AM3.07m
6:52PM2.66m
7:09AM3.19m
7:54PM2.69m
8:07AM3.28m
8:55PM2.76m
9:05AM3.38m
9:52PM2.84m
10:01AM3.44m
10:47PM2.90m
10:56AM3.44m
11:40PM2.93m
11:49AM3.38m
Low Tide
7:36PM0.06m
7:47AM0.36m
8:19PM0.07m
8:38AM0.32m
9:06PM0.09m
9:33AM0.27m
9:56PM0.11m
10:33AM0.19m
10:51PM0.13m
11:36AM0.08m
11:50PM0.14m
12:40PM-0.05m
00:49AM0.12m
1:42PM-0.20m
1:48AM0.10m
2:41PM-0.30m
2:47AM0.02m
3:38PM-0.41m
3:43AM-0.04m
4:32PM-0.47m
4:39AM-0.08m
5:24PM-0.47m
5:33AM-0.08m
Wave
height (m) 
direction
period (s) 
1.5
ESE
7
0.9
SE
8
0.8
ESE
9
1
NW
4
1.6
NNW
5
1.2
N
5
0.6
N
4
0.4
NNE
3
0.6
NNE
4
0.7
N
4
1.1
NW
4
0.9
NNW
4
0.7
NW
4
0.2
ESE
11
0.5
S
3
1.4
S
6
1.2
SSW
7
2
SSW
9
1.8
SSW
9
1.3
S
9
0.7
S
9
0.7
S
9
1.6
SW
6
1.5
SSW
8
1.1
S
8
0.6
S
7
0.7
S
7
0.9
N
4
1.1
NW
4
0.6
NNW
3
0.5
NW
3
0.3
S
7
0.4
NW
3
0.1
SE
9
0.8
SSW
4
1.6
SSW
7
part cloud
part cloud
snow showers
cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
cloud
light rain
mod rain
part cloud
cloud
cloud
clear
part cloud
part cloud
cloud
cloud
light snow
light snow
light snow
cloud
part cloud
part cloud
part cloud
part cloud
clear
cloud
light snow
rain showers
some clouds
some clouds
snow shwrs
cloudy
some clouds
clear
some clouds
some clouds
some clouds
clear
clear
clear
clear
cloudy
light rain
mod rain
some clouds
cloudy
cloudy
clear
some clouds
some clouds
cloudy
cloudy
light snow
light snow
light snow
cloudy
some clouds
some clouds
some clouds
some clouds
clear
cloudy
light snow
rain shwrs
 km/h
30
N
10
NW
30
W
50
NNW
55
NNW
40
NNW
25
N
25
N
30
N
30
NNW
45
NNW
35
NW
30
NW
10
N
25
S
35
S
35
WSW
55
W
45
W
40
WNW
20
WNW
25
W
50
WSW
35
WSW
20
W
5
NNE
30
N
35
NNW
40
NNW
25
NW
25
NW
15
NW
20
NW
10
W
40
SSW
40
WSW
 mm 
2
7
3
1
max°C
-4
1
0
0
-8
-9
-8
-9
-7
-5
-3
0
1
4
6
7
4
-2
-3
-3
-4
-2
2
2
0
0
-4
-5
-7
-11
-10
-11
-9
-7
3
4
Moonrise
10:30
10:49
11:09
11:29
11:53
12:23
1:02
1:55
3:01
4:19
5:40
Moonset
8:40
9:50
11:01
12:13
1:30
2:50
4:13
5:33
6:45
7:43
8:26
8:59
Sunrise
7:07
7:07
7:07
7:07
7:07
7:09
7:09
7:09
7:09
7:09
7:09
7:09
Sunset
4:00
4:00
4:01
4:01
4:02
4:04
4:05
4:06
4:07
4:07
4:07
4:08
Today's sea temperature in Head Harbor, Isle au Haut, Penobscot Bay is
6.5° C
(Statistics for 24 Dec 1981-2005 – mean: 5.9 max: 6.7 min: 4.7°C)
Issued (local time): 6 pm Wednesday 24 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest