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 06:07 AM and sunset is at 05:24 PM.

Days 1–3 Weather Summary

A light covering of new snow, mostly falling on Tue night. Icy conditions (max 5°C on Wed morning, min -3°C on Thu night). Winds decreasing (fresh winds from the SW on Tue morning, calm by Tue night).

Days 4–6 Weather Summary

A dusting of snow turning to light rain (total 3mm) on Sat night. Icy conditions (max 8°C on Sat night, min -4°C on Fri morning). Winds increasing (light winds from the ESE on Fri night, fresh winds from the SW by Sat night).

Days 7–9 Weather Summary

A light covering of new snow, mostly falling on Wed morning. Freeze-thaw conditions (max 12°C on Tue morning, min -5°C on Wed morning). Mainly fresh winds.

Days 10–12 Weather Summary

A light covering of new snow, mostly falling on Thu morning. Becoming milder with light rain (total 8mm) on Sat afternoon. Freeze-thaw conditions (max 5°C on Sat morning, min -4°C on Thu morning). Winds decreasing (strong winds from the SSW on Fri night, calm by Sat morning).

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
Wed
18
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
High Tide
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
9:14PM2.94m
9:26AM3.26m
Low Tide
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
3:12AM0.21m
3:41PM0.01m
Wave
height (m) 
direction
period (s) 
0.8
SSW
4
0.9
SSW
4
0.4
S
4
0.3
SSW
3
0.4
SSW
2
0.3
SSW
3
0.2
S
3
0.4
ESE
3
0.6
E
3
0.5
E
4
0.4
E
3
0.2
ESE
2
0.7
SSE
4
0.8
S
4
1
SSW
4
0.5
W
4
0.4
SW
2
0.5
SSW
3
0.3
SSW
2
0.4
S
3
0.8
SSW
4
0.8
SSW
4
0.6
WNW
4
0.6
N
4
0.4
ENE
3
0.3
ENE
3
0.2
E
2
0.4
ENE
3
0.4
NE
3
0.4
NW
3
0.2
SSE
2
0.6
S
4
1.1
S
5
0.4
SSW
3
0.3
S
3
0.4
NNE
4
0.5
NE
4
0.4
SE
2
0.3
ESE
2
0.6
SE
4
0.5
SE
4
0.5
SSE
4
1
SSW
4
1
SSW
4
1.3
W
5
1.1
NW
4
1.3
WNW
4
cloud
cloud
snow showers
part cloud
part cloud
part cloud
part cloud
cloud
light snow
cloud
part cloud
cloud
light snow
cloud
rain showers
clear
clear
part cloud
clear
part cloud
part cloud
cloud
part cloud
part cloud
light snow
cloud
light snow
light snow
part cloud
clear
part cloud
cloud
light snow
light rain
mod rain
part cloud
clear
part cloud
part cloud
part cloud
light snow
light snow
cloud
cloud
clear
part cloud
cloud
cloudy
cloudy
snow shwrs
some clouds
some clouds
some clouds
some clouds
cloudy
light snow
cloudy
some clouds
cloudy
light snow
cloudy
rain shwrs
clear
clear
some clouds
clear
some clouds
some clouds
cloudy
some clouds
some clouds
light snow
cloudy
light snow
light snow
some clouds
clear
some clouds
cloudy
light snow
light rain
mod rain
some clouds
clear
some clouds
some clouds
some clouds
light snow
light snow
cloudy
cloudy
clear
some clouds
cloudy
 km/h
35
SW
30
SW
0
SE
15
WNW
15
SW
5
N
10
E
25
ENE
25
ENE
25
ENE
20
ENE
10
ESE
25
S
30
S
40
SW
15
WNW
15
SSW
20
SW
15
SW
15
S
30
SSW
30
SW
30
NW
20
NNE
20
NE
20
NE
15
NE
25
NNE
10
N
15
NNW
15
SE
25
S
35
SSW
15
SW
10
N
25
NNE
20
NE
20
E
15
ESE
20
SE
20
SE
15
S
35
SW
30
WSW
45
NW
40
NW
45
WNW
 mm 
3
2
6
max°C
-1
-1
1
5
5
5
4
0
-2
-3
-3
-1
2
3
8
5
5
5
8
7
6
12
11
0
-4
-3
-3
-4
-2
-2
-3
0
2
5
5
2
1
0
0
-1
0
3
7
10
4
-4
-7
Moonrise
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
6:24
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
6:34
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
5:41
Sunset
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
5:44
Today's sea temperature in Northwest Harbor, Deer Isle, Penobscot Bay is
0.4° C
(Statistics for 03 Mar 1981-2005 – mean: 3.1 max: 4.6 min: 1.6°C)
Issued (local time): 12 pm Tuesday 03 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest