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 05:29 PM.

Days 1–4 Weather Summary

Some drizzle, heaviest during Sat night. Icy conditions (max 9°C on Sun morning, min -4°C on Fri afternoon). Winds increasing (calm on Fri night, fresh winds from the SSW by Sat afternoon).

Days 5–7 Weather Summary

A moderate fall of snow, heaviest on Wed morning. Icy conditions (max 13°C on Tue morning, min -7°C on Wed night). Wind will be generally light.

Days 8–10 Weather Summary

A moderate fall of snow, heaviest on Thu night. Freeze-thaw conditions (max 6°C on Sat afternoon, min -7°C on Thu night). Mainly fresh winds.

Days 11–13 Weather Summary

Light rain (total 9mm), mostly falling on Mon night. Freeze-thaw conditions (max 8°C on Mon afternoon, min -8°C on Tue night). Winds decreasing (near gales from the S on Mon afternoon, calm by Wed morning).

Fri
6
Saturday
7
Sunday
8
Monday
9
Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
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
1:10AM3.25m
1:36PM3.05m
1:50AM3.14m
2:19PM2.88m
3:31AM3.02m
3:05PM2.71m
3:17AM2.89m
3:56PM2.56m
4:10AM2.78m
4:53PM2.46m
5:08AM2.72m
5:55PM2.43m
6:10AM2.72m
6:54PM2.48m
7:09AM2.80m
7:48PM2.59m
8:01AM2.93m
8:35PM2.76m
8:48AM3.08m
9:17PM2.94m
9:31AM3.22m
9:56PM3.14m
10:13AM3.34m
10:35PM3.32m
10:54AM3.42m
11:13PM3.46m
11:37AM3.44m
Low Tide
7:00PM0.06m
7:25AM0.01m
7:39PM0.23m
8:07AM0.14m
8:19PM0.40m
8:52AM0.28m
9:03PM0.56m
9:42AM0.41m
9:53PM0.69m
10:37AM0.51m
10:50PM0.76m
11:37AM0.55m
11:51PM0.77m
12:37PM0.51m
00:51AM0.70m
1:33PM0.41m
1:45AM0.57m
2:21PM0.27m
2:33AM0.40m
3:04PM0.12m
3:18AM0.21m
3:45PM-0.02m
4:00AM0.02m
4:24PM-0.12m
4:42AM-0.15m
5:02PM-0.18m
5:25AM-0.28m
5:43PM-0.18m
Wave
height (m) 
direction
period (s) 
0.4
ESE
3
0.2
SSE
2
0.7
S
4
1
S
4
1.3
SSW
5
0.7
SSW
3
0.4
SSW
4
0.4
SW
2
0.2
S
2
0.5
S
4
0.8
SSW
4
0.3
S
3
0.4
WNW
3
0.2
NNE
2
0.5
E
3
0.4
ENE
3
0.5
NE
4
0.5
ENE
4
0.7
NE
4
1.1
N
5
1.2
NW
5
0.8
NW
5
0.6
S
4
1.6
S
6
1
SSW
5
0.5
SW
3
0.8
W
4
0.7
WNW
4
0.2
NNW
2
1.3
SSE
4
3
S
7
1.7
SW
6
1.2
WSW
5
1.1
W
5
0.5
W
4
0.1
SW
4
0.3
S
3
0.3
SSE
3
0.3
E
3
0.3
NNE
3
0.3
N
3
0.2
S
3
0.2
S
3
0.4
SSE
3
1.3
SE
5
0.9
WSW
4
1.4
WSW
6
part cloud
cloud
cloud
cloud
light rain
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
light snow
light snow
light snow
light snow
light snow
light snow
heavy snow
cloud
clear
cloud
part cloud
cloud
part cloud
clear
clear
part cloud
cloud
light rain
rain showers
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
mod snow
light snow
cloud
part cloud
some clouds
cloudy
cloudy
cloudy
light rain
cloudy
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
light snow
light snow
light snow
light snow
light snow
light snow
heavy snow
cloudy
clear
cloudy
some clouds
cloudy
some clouds
clear
clear
some clouds
cloudy
light rain
rain shwrs
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
cloudy
mod snow
light snow
cloudy
some clouds
 km/h
10
ESE
5
SSE
25
S
30
SSW
25
SW
15
SW
5
SW
10
WSW
5
SW
15
S
20
SW
10
WNW
15
NW
10
NE
20
ENE
20
NNE
15
NNE
20
NE
25
NE
30
NNE
30
NW
20
NW
20
S
35
SSW
25
SW
20
WNW
30
WNW
25
WNW
10
NNE
35
SSE
55
SSE
40
WSW
35
WNW
30
WNW
15
WNW
5
SW
15
S
10
ESE
10
NE
15
N
10
N
5
NNW
10
S
15
SE
30
ESE
25
W
40
W
 mm 
1
2
7
3
max°C
-3
0
2
4
5
9
7
5
8
6
8
13
13
5
0
-1
-5
-5
-5
-5
-3
-1
2
5
6
3
-1
-1
-4
0
8
3
-4
-5
-8
-4
-3
-2
2
3
0
4
2
1
4
3
1
Moonrise
9:19
10:26
12:33
1:38
2:38
3:30
4:14
4:50
5:19
5:44
6:05
6:25
6:44
7:05
7:29
Moonset
7:25
8:49
9:18
9:54
10:39
11:33
12:36
1:43
2:55
4:07
5:20
6:35
7:50
9:09
10:30
Sunrise
6:01
7:00
5:58
5:56
5:54
5:52
5:50
5:48
5:47
5:45
5:43
5:41
5:39
5:37
5:35
Sunset
5:29
5:30
6:31
5:32
5:35
5:36
5:37
5:37
5:39
5:40
5:42
5:43
5:45
5:45
5:46
5:47
Today's sea temperature in Castine, Penobscot Bay is
0.6° C
(Statistics for 06 Mar 1981-2005 – mean: 3.0 max: 4.6 min: 1.7°C)
Issued (local time): 6 pm Friday 06 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest