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 06:13 AM and sunset is at 06:45 PM.

Days 1–3 Weather Summary

Light rain (total 4mm), mostly falling on Thu night. Warm air temperatures (max 20°C on Wed night, min 10°C on Tue morning). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 6mm), mostly falling on Sun afternoon. Warm air temperatures (max 20°C on Fri afternoon, min 8°C on Sat morning). Winds decreasing (fresh winds from the NNW on Fri morning, calm by Sat morning).

Days 7–9 Weather Summary

Heavy rain (total 39mm), heaviest during Wed afternoon. Very mild (max 15°C on Mon afternoon, min 9°C on Mon morning). Winds increasing (calm on Mon afternoon, strong winds from the ESE by Wed afternoon).

Days 10–12 Weather Summary

Moderate rain (total 19mm), heaviest on Fri night. Very mild (max 19°C on Sat night, min 11°C on Thu morning). Wind will be generally light.

Days 13–16 Weather Summary

Heavy rain (total 21mm), heaviest during Wed afternoon. Warm (max 24°C on Mon night, min 10°C on Wed morning). Winds increasing (light winds from the WSW on Mon morning, fresh winds from the SSE by Wed morning).

Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wed
30
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
2:29PM3.30m
3:03AM2.96m
3:12PM3.17m
3:52AM2.79m
4:00PM3.04m
4:46AM2.64m
4:54PM2.93m
5:44AM2.55m
5:52PM2.87m
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
Low Tide
8:17AM0.24m
8:50PM0.10m
8:59AM0.41m
9:38PM0.25m
9:46AM0.58m
10:31PM0.39m
10:37AM0.71m
11:28PM0.50m
11:34AM0.79m
00:30AM0.55m
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
Wave
Height (m)
Direction
Period (s)
0.2
N
2
0.2
S
3
0.2
S
2
0.4
SSW
3
0.5
S
3
0.1
S
4
0.1
S
3
0.1
SE
2
0.1
SW
2
0.4
NNW
2
0.4
NNW
3
0.3
N
3
0.1
N
3
0.4
SSW
3
0.3
SSW
3
0.7
S
4
0.3
S
4
0.3
N
2
0.3
NNE
3
0.2
S
2
0.1
S
2
0.1
NE
2
0.2
SSE
3
0.1
S
2
0.6
ESE
3
1.1
SE
5
0.6
ENE
4
0.3
NNE
3
0.3
S
2
0.2
S
3
0.1
SE
2
0.1
SE
2
0.3
E
2
0.4
NNE
3
0.6
N
4
0.3
NW
3
0.1
S
2
0.4
SSW
2
0.2
SSW
3
0.2
SSW
2
0.3
SSW
3
0.2
W
2
0.4
NE
3
0.2
N
3
0.1
SE
2
0.7
SSE
3
1.1
S
5
clear
clear
part cloud
cloud
part cloud
part cloud
cloud
cloud
rain showers
part cloud
clear
clear
clear
part cloud
part cloud
light rain
light rain
part cloud
part cloud
part cloud
clear
part cloud
part cloud
light rain
heavy rain
heavy rain
light rain
part cloud
part cloud
part cloud
cloud
light rain
mod rain
light rain
light rain
clear
clear
clear
part cloud
part cloud
clear
part cloud
cloud
part cloud
part cloud
mod rain
mod rain
clear
clear
some clouds
cloudy
some clouds
some clouds
cloudy
cloudy
rain shwrs
some clouds
clear
clear
clear
some clouds
some clouds
light rain
light rain
some clouds
some clouds
some clouds
clear
some clouds
some clouds
light rain
heavy rain
heavy rain
light rain
some clouds
some clouds
some clouds
cloudy
light rain
mod rain
light rain
light rain
clear
clear
clear
some clouds
some clouds
clear
some clouds
cloudy
some clouds
some clouds
mod rain
mod rain
km/h
5
N
15
S
15
SSW
20
SSW
25
SSW
5
NNE
10
ESE
10
SE
10
WSW
30
NNW
20
NNW
15
NNW
5
WNW
25
SSW
15
S
25
S
10
E
15
N
15
N
10
SW
10
NNW
5
E
15
SSE
10
SE
35
E
35
E
20
NE
5
WNW
15
S
5
SE
10
ESE
10
E
15
ENE
20
NNE
20
N
15
NNW
10
SW
20
SSW
15
SSW
15
SW
15
SW
15
NW
20
NNE
10
ENE
10
SE
35
SSE
30
SSE
 mm
4
2
4
1
15
20
3
2
7
5
5
6
9
max °C
14
15
14
14
16
20
16
16
16
18
20
16
11
11
14
13
12
12
12
15
14
14
14
13
10
10
11
13
15
13
14
14
14
16
16
19
17
21
21
20
22
24
18
17
12
11
13
Moonrise
11:20
12:27
1:30
2:26
3:13
3:52
4:23
4:49
5:11
5:31
5:50
6:10
6:31
6:56
7:27
8:07
Moonset
8:27
9:00
9:42
10:32
11:29
12:33
1:40
2:48
3:57
5:07
6:18
7:31
8:46
10:05
11:24
Sunrise
6:13
6:13
6:15
6:16
6:16
6:18
6:20
6:20
6:22
6:22
6:24
6:24
6:26
6:28
6:28
6:30
Sunset
6:45
6:44
6:42
6:39
6:37
6:36
6:34
6:32
6:30
6:29
6:27
6:24
6:22
6:21
6:20
6:17
Today's sea temperature in Northwest Harbor, Deer Isle, Penobscot Bay is
14.4°C
(Statistics for 15 Sep 1981-2005 – mean: 13.8 max: 16.4 min: 12.4°C)
Issued (local time): 1 am Tuesday 15 Sep 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest