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 — and sunset is at 05:23 PM.

Days 1–4 Weather Summary

A light covering of new snow, mostly falling on Tue night. Icy conditions (max 6°C on Wed afternoon, min -6°C on Mon afternoon). Winds decreasing (fresh winds from the SW on Tue morning, calm by Thu morning).

Days 5–7 Weather Summary

A dusting of snow turning to light rain (total 3mm) on Sat night. Icy conditions (max 8°C on Sat night, min -8°C on Thu night). Winds increasing (light winds from the NE on Thu afternoon, strong winds from the SSW by Sat night).

Days 8–10 Weather Summary

Light rain (total 2mm) at first, then becoming colder with a dusting of snow on Tue night. Freeze-thaw conditions (max 8°C on Mon night, min -3°C on Mon night). Winds increasing (calm on Tue afternoon, strong winds from the SSW by Tue night).

Days 11–13 Weather Summary

Mild with light rain (total 2mm) on Thu afternoon. Becoming colder with a light covering of snow, mostly falling on Fri night. Freeze-thaw conditions (max 9°C on Thu morning, min -6°C on Thu night). Winds decreasing (near gales from the SSW on Thu morning, light winds from the NE by Sat morning).

Mon
2
Tuesday
3
Wednesday
4
Thursday
5
Friday
6
Saturday
7
Sunday
8
Monday
9
Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
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
night
Wave Height Map
High Tide
10:28PM3.28m
10:43AM3.54m
11:11PM3.36m
11:27AM3.49m
11:50PM3.38m
12:09PM3.38m
00:28AM3.35m
12:50PM3.24m
1:05AM3.28m
1:32PM3.07m
1:44AM3.18m
2:15PM2.89m
3:25AM3.06m
3:01PM2.71m
3:10AM2.94m
3:52PM2.56m
4:02AM2.84m
4:50PM2.45m
5:01AM2.78m
5:53PM2.42m
6:03AM2.79m
6:54PM2.46m
7:03AM2.86m
7:48PM2.58m
7:56AM2.98m
8:34PM2.75m
8:43AM3.12m
Low Tide
4:14PM-0.27m
4:28AM-0.12m
4:58PM-0.27m
5:14AM-0.17m
5:38PM-0.21m
5:57AM-0.17m
6:17PM-0.10m
6:39AM-0.11m
6:54PM0.05m
7:20AM-0.01m
7:32PM0.21m
8:03AM0.12m
8:12PM0.38m
8:48AM0.26m
8:55PM0.54m
9:38AM0.40m
9:44PM0.67m
10:35AM0.51m
10:41PM0.76m
11:38AM0.56m
11:42PM0.78m
12:40PM0.53m
00:44AM0.72m
1:35PM0.44m
1:39AM0.59m
2:22PM0.30m
2:28AM0.41m
3:02PM0.15m
Wave
height (m) 
direction
period (s) 
0.3
WSW
3
0.3
SW
3
0.7
SW
4
0.9
SSW
4
0.4
S
4
0.3
SSW
3
0.4
SW
2
0.3
SSE
3
0.2
SSE
2
0.2
SSE
2
0.4
ENE
3
0.5
E
4
0.4
ESE
3
0.2
ESE
3
0.7
S
4
0.9
S
4
1.4
SSW
5
0.5
NW
3
0.4
SW
4
0.4
S
3
0.4
S
3
0.6
S
4
1.1
WSW
5
0.8
WNW
5
0.3
NW
4
1.1
S
4
1.8
SSW
6
1.5
SSW
5
1.3
SSW
5
1.7
SSW
6
2.1
SSW
6
0.8
WNW
4
0.4
NNW
4
0.4
SE
2
0.7
SE
4
0.5
ESE
4
0.4
S
3
0.3
S
3
0.6
NNW
4
0.2
N
3
0.3
ESE
2
0.9
ESE
4
0.9
ESE
5
0.3
SSE
2
0.7
W
4
0.6
W
4
0.6
NW
4
part cloud
clear
part cloud
cloud
snow showers
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
cloud
light snow
light rain
light rain
clear
part cloud
part cloud
cloud
light rain
rain showers
clear
clear
snow showers
cloud
cloud
cloud
cloud
light rain
part cloud
cloud
cloud
light snow
part cloud
part cloud
part cloud
cloud
cloud
light snow
light snow
light snow
heavy rain
cloud
part cloud
part cloud
some clouds
clear
some clouds
cloudy
snow shwrs
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
some clouds
cloudy
light snow
light rain
light rain
clear
some clouds
some clouds
cloudy
light rain
rain shwrs
clear
clear
snow shwrs
cloudy
cloudy
cloudy
cloudy
light rain
some clouds
cloudy
cloudy
light snow
some clouds
some clouds
some clouds
cloudy
cloudy
light snow
light snow
light snow
heavy rain
cloudy
some clouds
some clouds
 km/h
20
W
20
WSW
35
SW
30
SSW
5
SE
15
NW
15
SW
5
NE
5
SE
10
NE
25
NE
25
NE
20
E
10
SSE
30
S
35
SSW
40
SW
20
NNW
5
NNW
20
SSW
20
SSW
25
SSW
40
WNW
35
NW
5
WNW
40
S
45
SSW
40
SSW
40
SSW
45
SSW
50
SSW
30
NNW
15
NE
20
E
30
E
10
NE
25
SSW
10
WNW
25
NNW
5
NNE
20
ENE
35
E
35
ESE
10
SSW
30
NW
25
WNW
25
NNW
 mm 
1
2
1
1
2
15
max°C
-6
-4
-1
0
1
5
6
4
3
3
-1
-4
-5
-2
1
3
8
5
6
4
5
6
8
0
2
3
6
7
8
9
9
4
-3
-3
-2
2
2
10
2
4
1
-2
1
6
5
4
-1
Moonrise
4:41
5:53
7:02
8:11
9:18
10:25
12:32
1:37
2:36
3:29
4:13
4:49
5:18
5:43
6:04
Moonset
6:10
6:28
6:46
7:05
7:25
8:49
9:18
9:55
10:39
11:34
12:36
1:44
2:55
4:07
5:20
Sunrise
6:07
6:05
6:03
6:03
6:01
6:58
5:56
5:56
5:54
5:52
5:50
5:48
5:47
5:45
5:43
Sunset
5:23
5:24
5:25
5:28
5:29
5:30
6:31
5:32
5:34
5:35
5:37
5:37
5:38
5:39
5:42
5:43
Today's sea temperature in Northwest Harbor, Deer Isle, Penobscot Bay is
0.3° C
(Statistics for 02 Mar 1981-2005 – mean: 3.2 max: 4.6 min: 1.6°C)
Issued (local time): 6 pm Monday 02 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest