Castine, Penobscot Bay Sea Conditions and Tide Table

Castine, 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 06:39 PM.

Days 1–4 Weather Summary

Heavy rain (total 32mm), heaviest during Mon afternoon. Icy conditions (max 11°C on Mon night, min -7°C on Tue night). Winds increasing (light winds from the S on Sun night, strong winds from the S by Mon night).

Days 5–7 Weather Summary

A dusting of new snow. Icy conditions (max 5°C on Fri afternoon, min -3°C on Wed night). Winds increasing (calm on Wed night, fresh winds from the S by Fri morning).

Days 8–10 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 1°C on Tue afternoon, min -9°C on Tue morning). Winds increasing (calm on Sun morning, fresh winds from the NNW by Mon afternoon).

Days 11–13 Weather Summary

A moderate fall of snow, heaviest on Thu night. Freeze-thaw conditions (max 6°C on Wed afternoon, min -4°C on Thu morning). Winds increasing (calm on Thu afternoon, fresh winds from the ENE by Fri afternoon).

Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tue
31
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
AM
Wave Height Map
High Tide
9:35PM2.76m
9:48AM3.08m
10:17PM2.94m
10:31AM3.22m
10:56PM3.14m
11:13AM3.34m
11:35PM3.32m
11:54AM3.42m
00:13AM3.46m
12:37PM3.44m
00:54AM3.56m
1:22PM3.40m
1:38AM3.59m
2:10PM3.30m
2:25AM3.55m
3:02PM3.15m
3:18AM3.44m
4:00PM2.99m
4:17AM3.30m
5:05PM2.85m
5:25AM3.18m
6:17PM2.77m
6:38AM3.11m
7:29PM2.80m
7:51AM3.12m
8:34PM2.90m
8:55AM3.19m
Low Tide
3:33AM0.40m
4:04PM0.12m
4:18AM0.21m
4:45PM-0.02m
5:00AM0.02m
5:24PM-0.12m
5:42AM-0.15m
6:02PM-0.18m
6:25AM-0.28m
6:43PM-0.18m
7:09AM-0.35m
7:25PM-0.13m
7:57AM-0.35m
8:12PM-0.02m
8:48AM-0.27m
9:03PM0.12m
9:45AM-0.15m
10:00PM0.27m
10:48AM-0.01m
11:06PM0.39m
11:58AM0.10m
00:19AM0.44m
1:09PM0.13m
1:32AM0.39m
2:16PM0.09m
2:39AM0.27m
3:15PM0.02m
Wave
height (m) 
direction
period (s) 
0.7
SSE
4
1.7
SSE
5
1.5
S
6
2.5
S
7
1.4
SW
5
1.2
SW
5
1
W
5
0.8
W
4
0.5
W
4
0.4
SE
4
0.5
SSE
4
0.5
S
4
0.6
S
4
1.3
S
5
1.4
SSW
5
0.5
W
3
0.5
N
4
0.3
N
3
0.4
NE
3
0.1
NE
3
0.2
SSE
2
0.2
SSE
2
0.6
NNE
4
0.9
NNW
4
0.9
NNW
4
0.9
NNW
4
0.7
NNW
4
0.1
W
3
0.4
SW
3
0.4
WSW
3
0.4
WNW
3
0.3
NNW
3
0.1
N
3
0.6
ESE
3
0.9
ESE
4
1
E
5
0.9
NE
5
1.2
N
4
1
N
4
1.3
NNW
4
0.7
NW
4
0.3
NW
4
0.2
S
2
0.2
S
3
0.2
S
4
0.1
SW
2
0.2
N
2
part cloud
light rain
heavy rain
heavy rain
part cloud
part cloud
clear
clear
cloud
part cloud
cloud
part cloud
part cloud
cloud
light snow
cloud
cloud
part cloud
part cloud
cloud
part cloud
cloud
light snow
part cloud
clear
clear
clear
part cloud
cloud
part cloud
clear
cloud
cloud
mod snow
light snow
light snow
mod snow
light snow
light snow
snow showers
clear
cloud
light snow
cloud
part cloud
part cloud
part cloud
some clouds
light rain
heavy rain
heavy rain
some clouds
some clouds
clear
clear
cloudy
some clouds
cloudy
some clouds
some clouds
cloudy
light snow
cloudy
cloudy
some clouds
some clouds
cloudy
some clouds
cloudy
light snow
some clouds
clear
clear
clear
some clouds
cloudy
some clouds
clear
cloudy
cloudy
mod snow
light snow
light snow
mod snow
light snow
light snow
snow shwrs
clear
cloudy
light snow
cloudy
some clouds
some clouds
some clouds
 km/h
25
SSE
40
SE
30
S
45
S
30
WSW
30
WSW
25
WNW
25
WNW
15
WNW
10
ENE
20
SSE
15
SSE
15
S
35
S
25
SW
15
NW
15
N
15
N
15
NNE
5
E
10
S
10
E
25
N
30
NNW
30
NNW
30
NNW
25
NW
5
SW
15
WSW
20
WNW
15
NW
15
N
5
ENE
20
E
25
ENE
30
ENE
25
NNE
35
N
30
N
35
NNW
25
NW
15
NW
10
SE
5
SSE
5
SW
5
WSW
10
NNW
 mm 
2
15
15
max°C
1
5
8
11
8
4
0
-5
-1
-1
0
0
0
2
5
5
-1
3
0
-2
-1
-2
-3
-1
-4
-5
1
-1
3
6
3
-2
0
-1
-1
-1
-3
-8
-6
-7
-6
-1
-1
1
2
2
3
Moonrise
5:44
6:05
6:25
6:44
7:05
7:29
7:59
8:36
9:26
10:27
11:39
12:56
2:12
3:27
4:38
Moonset
4:07
5:20
6:35
7:50
9:09
10:30
11:52
1:10
2:19
3:14
3:56
4:29
4:54
5:15
5:34
Sunrise
6:46
6:43
6:43
6:41
6:39
6:37
6:35
6:33
6:31
6:30
6:28
6:26
6:24
6:22
6:20
6:18
Sunset
6:39
6:40
6:43
6:44
6:45
6:46
6:47
6:49
6:50
6:52
6:52
6:53
6:54
6:55
6:58
6:59
Today's sea temperature in Castine, Penobscot Bay is
1.7° C
(Statistics for 15 Mar 1981-2005 – mean: 3.1 max: 4.6 min: 1.9°C)
Issued (local time): 7 pm Sunday 15 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest