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 07:20 PM.

Days 1–4 Weather Summary

Light rain (total 8mm), mostly falling on Fri morning. Cool air temperatures (max 15°C on Fri afternoon, min 3°C on Sat night). Wind will be generally light.

Days 5–7 Weather Summary

Moderate rain (total 18mm), heaviest on Sun afternoon. Cool air temperatures (max 10°C on Wed morning, min 1°C on Sun night). Wind will be generally light.

Days 8–10 Weather Summary

Some drizzle, heaviest during Thu night. Very mild (max 13°C on Wed afternoon, min 4°C on Wed night). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Very mild (max 16°C on Tue afternoon, min 4°C on Sun night). Winds decreasing (fresh winds from the N on Sun morning, calm by Mon night).

Thu
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
1
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
10:59PM3.51m
11:28AM3.39m
11:43PM3.66m
12:16PM3.42m
00:28AM3.73m
1:05PM3.38m
1:16AM3.73m
1:56PM3.30m
2:08AM3.65m
2:52PM3.18m
3:05AM3.51m
3:52PM3.04m
4:08AM3.35m
4:58PM2.94m
5:16AM3.21m
6:06PM2.91m
6:28AM3.12m
7:13PM2.94m
7:36AM3.09m
8:14PM3.04m
8:38AM3.10m
9:08PM3.14m
9:33AM3.12m
9:56PM3.24m
10:23AM3.13m
10:39PM3.30m
11:07AM3.12m
Low Tide
4:46PM-0.07m
5:15AM-0.30m
5:30PM-0.11m
6:02AM-0.43m
6:16PM-0.11m
6:50AM-0.48m
7:04PM-0.05m
7:41AM-0.45m
7:55PM0.04m
8:36AM-0.34m
8:51PM0.17m
9:35AM-0.20m
9:52PM0.29m
10:38AM-0.05m
11:00PM0.38m
11:45AM0.07m
00:11AM0.40m
12:52PM0.12m
1:20AM0.34m
1:54PM0.13m
2:24AM0.24m
2:51PM0.12m
3:20AM0.12m
3:41PM0.12m
4:10AM0.02m
4:26PM0.15m
4:55AM-0.05m
5:07PM0.20m
Wave
height (m) 
direction
period (s) 
0.3
SSE
3
0.2
S
3
0.2
NNE
3
0.3
N
3
0.3
NNE
2
0.4
SE
3
0.3
SE
3
0.4
SE
3
0.4
S
3
0.3
N
2
0.4
NW
3
0.4
NW
4
0.2
SSW
3
0.2
N
3
0.2
S
2
0.6
S
3
1.2
S
5
0.4
SW
3
0.4
NW
3
0.3
NW
2
0.1
NW
2
0.5
S
3
0.2
WNW
2
0.6
N
3
0.6
N
3
0.6
N
3
0.4
NNE
3
0.4
N
3
0.6
N
3
0.9
N
4
0.7
N
4
0.6
N
3
0.4
NNE
3
0.1
NE
3
0.1
S
3
0
E
2
0.2
SSW
2
0.1
SE
2
0.2
ESE
2
0.1
SE
3
0.1
SE
2
0.3
E
2
0.5
E
3
0.7
NNW
4
0.5
NNW
4
0.5
N
4
0.4
N
3
part cloud
light rain
light rain
light rain
clear
clear
part cloud
cloud
light rain
mod rain
rain showers
part cloud
cloud
part cloud
clear
part cloud
light rain
part cloud
part cloud
part cloud
cloud
part cloud
rain showers
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
light rain
light rain
light rain
light rain
cloud
cloud
part cloud
some clouds
light rain
light rain
light rain
clear
clear
some clouds
cloudy
light rain
mod rain
rain shwrs
some clouds
cloudy
some clouds
clear
some clouds
light rain
some clouds
some clouds
some clouds
cloudy
some clouds
rain shwrs
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
some clouds
light rain
light rain
light rain
light rain
cloudy
cloudy
some clouds
 km/h
10
SSE
5
S
15
NNE
5
NNW
10
NNE
15
ESE
15
SE
10
SSE
15
SSW
25
N
15
WNW
15
NNW
15
NW
10
NNW
10
S
25
S
30
S
20
NW
15
NNW
10
NW
5
W
15
S
5
NNW
25
NNW
25
N
20
N
20
NNE
20
N
25
N
30
N
25
N
25
NNE
20
NNE
10
NE
0
SSW
5
NW
5
WSW
10
E
15
ESE
15
SSE
5
ESE
10
ENE
15
NE
20
NNW
15
NNW
20
N
15
N
 mm 
3
3
1
1
10
7
1
1
1
3
3
2
max°C
9
8
11
15
14
9
11
4
6
6
3
5
6
4
4
4
4
10
13
9
9
10
8
8
8
6
8
10
9
8
11
10
8
12
10
13
16
13
10
9
6
5
6
6
8
11
9
Moonrise
5:30
5:57
6:33
7:19
8:18
9:29
10:45
12:03
1:18
2:29
3:38
4:45
5:52
6:58
8:06
Moonset
6:43
8:05
9:29
10:52
12:07
1:09
1:56
2:31
2:58
3:21
3:40
3:58
4:15
4:34
4:56
Sunrise
5:48
5:47
5:45
5:43
5:41
5:39
5:37
5:37
5:35
5:33
5:31
5:31
5:28
5:28
5:26
Sunset
7:20
7:21
7:22
7:23
7:24
7:25
7:27
7:28
7:30
7:30
7:31
7:32
7:35
7:36
7:37
7:37
Today's sea temperature in Castine, Penobscot Bay is
5.1° C
(Statistics for 16 Apr 1981-2005 – mean: 4.6 max: 6.6 min: 2.9°C)
Issued (local time): 1 pm Thursday 16 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest