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 06:37 AM and sunset is at 05:00 PM.

Days 1–3 Weather Summary

Mostly dry. Air temperatures will be below freezing (max 0°C on Sat afternoon, min -9°C on Sat night). Winds increasing (calm on Fri night, fresh winds from the NW by Sat night).

Days 4–6 Weather Summary

Mostly dry. Icy conditions (max 4°C on Tue afternoon, min -2°C on Sun night). Winds increasing (calm on Sun night, fresh winds from the SSW by Tue morning).

Days 7–9 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 1°C on Wed night, min -15°C on Thu night). Winds decreasing (fresh winds from the NNE on Thu afternoon, light winds from the NNE by Fri night).

Days 10–12 Weather Summary

Mostly dry. Temperatures will be below freezing (max -2°C on Sun afternoon, min -14°C on Tue night). Winds increasing (calm on Mon afternoon, strong winds from the NW by Tue afternoon).

Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Sat
28
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
Wave Height Map
High Tide
7:47AM2.92m
8:31PM2.56m
8:35AM3.03m
9:15PM2.68m
9:19AM3.16m
9:54PM2.81m
9:58AM3.27m
10:30PM2.95m
10:36AM3.36m
11:05PM3.10m
11:14AM3.41m
11:40PM3.23m
11:54AM3.42m
00:17AM3.34m
12:36PM3.38m
00:57AM3.41m
1:21PM3.29m
1:41AM3.44m
2:11PM3.15m
2:30AM3.41m
3:06PM2.98m
3:26AM3.34m
4:10PM2.82m
4:29AM3.27m
5:22PM2.72m
5:41AM3.23m
6:38PM2.73m
6:55AM3.27m
Low Tide
2:20PM0.35m
2:18AM0.57m
3:05PM0.23m
3:03AM0.44m
3:44PM0.11m
3:44AM0.30m
4:19PM-0.01m
4:23AM0.16m
4:53PM-0.10m
5:01AM0.03m
5:28PM-0.17m
5:41AM-0.08m
6:05PM-0.20m
6:24AM-0.16m
6:44PM-0.18m
7:09AM-0.19m
7:27PM-0.10m
7:59AM-0.16m
8:14PM0.02m
8:53AM-0.09m
9:07PM0.16m
9:56AM0.01m
10:08PM0.30m
11:05AM0.08m
11:17PM0.39m
12:20PM0.09m
00:31AM0.38m
1:30PM0.02m
Wave
height (m) 
direction
period (s) 
0.7
NNW
4
0.4
NW
3
0.1
NW
3
0.1
N
2
0.1
S
2
0.5
NNW
3
0.8
NNW
4
0.3
NNW
3
0
W
2
0.1
S
2
0.2
S
2
0.3
SSW
2
0.7
SSW
4
0.4
SSW
4
0.5
W
4
0.4
WNW
4
0.2
W
3
0.4
S
3
0.4
SE
3
0.7
NNE
4
0.7
N
4
0.5
N
3
0.1
N
4
0.1
NE
2
0.3
N
2
0.6
NW
3
0.8
NW
4
0.8
NW
4
0.7
NW
4
0.5
N
3
0.1
N
3
0
E
2
0.4
NNW
2
0.7
NW
3
0.9
NW
4
0.9
NNW
4
0.8
NW
4
0.9
NW
4
0.8
NW
4
0.6
NW
3
0.1
NW
3
0
W
2
0.1
N
2
0
W
2
0.1
NW
2
0.1
N
2
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
clear
clear
part cloud
part cloud
light snow
light snow
part cloud
clear
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
cloud
part cloud
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
some clouds
some clouds
some clouds
cloudy
cloudy
clear
clear
some clouds
some clouds
light snow
light snow
some clouds
clear
some clouds
cloudy
some clouds
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
some clouds
cloudy
some clouds
some clouds
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
cloudy
some clouds
clear
 km/h
30
NNW
20
WNW
10
NW
5
NNE
10
WSW
35
NNW
30
NNW
15
NNW
0
ESE
10
SSW
15
SSW
20
SSW
30
SSW
10
SW
30
WNW
25
NW
10
NW
25
S
15
ENE
30
N
30
N
20
NNW
10
WNW
10
NNE
20
NNW
30
NW
35
NW
35
NW
30
NW
25
N
5
NNE
5
SSW
25
N
35
NW
40
NW
35
NW
35
NW
40
NW
35
WNW
25
NW
10
W
5
NNW
10
N
5
WNW
10
N
5
N
 mm 
max°C
-2
-1
-3
-1
0
-3
-2
-1
-1
1
1
2
3
4
2
0
1
1
0
-3
-12
-9
-7
-8
-3
-2
-8
-3
-2
-7
-5
-3
-3
-9
-10
-14
-9
-8
-9
-1
1
1
2
3
1
1
Moonrise
4:37
5:18
5:51
6:18
6:41
7:01
7:20
7:40
8:01
8:26
8:57
9:38
10:30
11:35
12:50
2:09
Moonset
12:48
1:53
3:04
4:16
5:28
6:40
7:54
9:08
10:25
11:45
1:04
2:19
3:23
4:15
4:54
Sunrise
6:37
6:35
6:33
6:31
6:31
6:28
6:28
6:26
6:24
6:22
6:20
6:20
6:18
6:16
6:15
6:13
Sunset
5:00
5:01
5:04
5:05
5:06
5:07
5:08
5:09
5:12
5:13
5:14
5:15
5:16
5:17
5:20
Today's sea temperature in Northwest Harbor, Deer Isle, Penobscot Bay is
-0.1° C
(Statistics for 13 Feb 1981-2005 – mean: 3.5 max: 4.6 min: 2.3°C)
Issued (local time): 12 am Friday 13 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest