Northwest Harbor, Deer Isle, Penobscot Bay Sea Conditions and Tide Table

Northwest Harbor, Deer Isle, 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

Moderate rain (total 10mm), heaviest on Sun night. Cool air temperatures (max 17°C on Mon afternoon, min 7°C on Tue morning). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 18°C on Fri afternoon, min 8°C on Wed morning). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 8mm), mostly falling on Sat afternoon. Very mild (max 16°C on Sat night, min 8°C on Sun morning). Winds increasing (light winds from the ENE on Sat afternoon, fresh winds from the NE by Sun morning).

Days 10–12 Weather Summary

Light rain (total 3mm), mostly falling on Tue morning. Very mild (max 16°C on Wed afternoon, min 8°C on Fri morning). Wind will be generally light.

Days 13–16 Weather Summary

Mostly dry. Very mild (max 14°C on Sun afternoon, min 7°C on Sat night). Winds increasing (calm on Sun night, fresh 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
6:45AM2.52m
6:53PM2.87m
7:43AM2.57m
7:51PM2.92m
8:35AM2.67m
8:43PM3.01m
9:20AM2.81m
9:29PM3.12m
9:59AM2.97m
10:11PM3.22m
10:35AM3.15m
10:50PM3.29m
11:10AM3.31m
11:30PM3.35m
11:46AM3.45m
00:10AM3.36m
12:23PM3.56m
00:53AM3.33m
1:05PM3.61m
1:39AM3.26m
1:50PM3.61m
2:29AM3.15m
2:41PM3.55m
3:25AM3.01m
3:38PM3.45m
4:29AM2.90m
4:43PM3.35m
5:39AM2.85m
5:55PM3.28m
Low Tide
12:36PM0.80m
1:29AM0.53m
1:35PM0.75m
2:22AM0.46m
2:29PM0.63m
3:07AM0.36m
3:16PM0.48m
3:47AM0.25m
3:58PM0.31m
4:23AM0.15m
4:38PM0.14m
4:59AM0.06m
5:18PM-0.02m
5:34AM-0.00m
5:58PM-0.14m
6:12AM-0.03m
6:40PM-0.23m
6:53AM-0.01m
7:26PM-0.25m
7:37AM0.06m
8:15PM-0.21m
8:26AM0.16m
9:10PM-0.12m
9:21AM0.28m
10:11PM-0.01m
10:23AM0.39m
11:19PM0.09m
11:34AM0.45m
Wave
Height (m)
Direction
Period (s)
0.4
S
3
0.3
S
3
0.1
NE
2
0.5
NNW
3
0.4
NNW
3
0.3
NE
3
0.4
NE
4
0.2
NNE
3
0.2
ENE
3
0.3
ENE
3
0.3
SE
3
0.1
NE
2
0.2
NNE
3
0.2
SSE
2
0.3
NE
2
0.4
NE
3
0.3
E
3
0.4
NE
3
0.4
NE
3
0.3
N
3
0.7
NE
4
0.6
ENE
4
0.7
E
4
0.7
E
4
0.6
E
4
0.4
ENE
3
0.5
NE
4
0.4
NE
3
0.3
NNE
3
0.2
N
2
0.1
S
3
0.2
S
3
0.2
S
2
0.3
S
3
0.3
SW
2
0.6
NNW
3
0.5
NW
3
0.8
WNW
4
0.6
WNW
4
0.6
WNW
4
0.7
WNW
4
0.6
NNW
3
0.4
NNW
3
0.1
S
3
0.1
W
2
0.4
SSW
3
0.8
S
4
cloud
light rain
rain showers
clear
clear
part cloud
cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
light rain
cloud
part cloud
part cloud
cloud
cloud
light rain
light rain
light rain
cloud
cloud
rain showers
part cloud
part cloud
light rain
part cloud
part cloud
clear
cloud
cloud
part cloud
cloud
part cloud
clear
clear
part cloud
part cloud
clear
cloudy
light rain
rain shwrs
clear
clear
some clouds
cloudy
clear
clear
some clouds
clear
clear
clear
clear
clear
some clouds
some clouds
cloudy
cloudy
light rain
cloudy
some clouds
some clouds
cloudy
cloudy
light rain
light rain
light rain
cloudy
cloudy
rain shwrs
some clouds
some clouds
light rain
some clouds
some clouds
clear
cloudy
cloudy
some clouds
cloudy
some clouds
clear
clear
some clouds
some clouds
clear
km/h
20
S
10
SSE
15
NNE
25
NNW
20
N
15
NNE
20
NNE
10
ENE
15
NE
20
ENE
10
ESE
15
NNE
10
NE
10
SE
15
NNE
20
NE
15
ENE
15
NE
15
NNE
10
ENE
30
NE
30
ENE
30
ENE
30
ENE
25
NE
15
ENE
20
NE
15
NNE
10
NNE
10
NNW
5
WNW
15
SSW
10
SSE
20
SSW
10
WSW
25
NNW
25
NW
35
WNW
30
WNW
30
WNW
30
NW
25
NW
20
NNW
10
SSW
5
W
25
S
30
S
 mm
2
8
2
1
5
1
1
1
max °C
14
14
11
13
17
12
9
15
12
11
13
14
13
16
15
15
18
17
14
14
16
10
12
12
11
14
12
12
13
13
14
16
16
15
15
13
11
11
8
9
10
9
10
14
12
12
12
Moonrise
3:52
4:23
4:49
5:11
5:31
5:50
6:10
6:31
6:56
7:27
8:07
8:58
10:02
11:15
12:34
Moonset
12:33
1:40
2:48
3:57
5:07
6:18
7:31
8:46
10:05
11:24
12:40
1:46
2:39
3:20
3:52
Sunrise
6:18
6:20
6:20
6:22
6:22
6:24
6:24
6:26
6:28
6:28
6:30
6:31
6:33
6:33
6:35
6:35
Sunset
6:36
6:34
6:32
6:30
6:29
6:27
6:24
6:22
6:21
6:20
6:17
6:15
6:14
6:12
6:09
6:08
Today's sea temperature in Northwest Harbor, Deer Isle, Penobscot Bay is
14.7°C
(Statistics for 20 Sep 1981-2005 – mean: 13.3 max: 14.6 min: 11.5°C)
Issued (local time): 7 am Sunday 20 Sep 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest