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 06:56 AM and sunset is at 03:55 PM.

Days 1–3 Weather Summary

A dusting of new snow. Air temperatures will be below freezing (max 0°C on Sat night, min -12°C on Mon night). Winds decreasing (fresh winds from the NW on Sun night, calm by Mon night).

Days 4–6 Weather Summary

Light rain (total 9mm) at first, then becoming colder with a dusting of snow on Tue night. Icy conditions (max 7°C on Wed afternoon, min -4°C on Fri afternoon). Winds decreasing (fresh winds from the SSW on Wed afternoon, calm by Thu night).

Days 7–9 Weather Summary

Mostly dry. Temperatures will be below freezing (max -3°C on Sat morning, min -8°C on Sat night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 4°C on Thu afternoon, min -9°C on Mon night). Winds decreasing (fresh winds from the N on Tue night, calm by Thu morning).

Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thu
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
Wave Height Map
High Tide
12:13PM3.77m
00:55AM3.25m
1:09PM3.62m
1:51AM3.15m
2:06PM3.44m
2:49AM3.07m
3:06PM3.25m
3:48AM2.99m
4:07PM3.06m
4:48AM2.95m
5:10PM2.91m
5:45AM2.94m
6:11PM2.80m
6:40AM2.96m
7:10PM2.75m
7:31AM3.00m
8:03PM2.74m
8:17AM3.04m
8:52PM2.75m
9:00AM3.09m
9:36PM2.77m
9:41AM3.13m
Low Tide
6:41PM-0.44m
6:54AM0.06m
7:36PM-0.30m
7:52AM0.17m
8:32PM-0.13m
8:52AM0.28m
9:29PM0.04m
9:55AM0.37m
10:27PM0.19m
10:58AM0.41m
11:24PM0.31m
11:59AM0.41m
00:19AM0.40m
12:58PM0.36m
1:12AM0.46m
1:51PM0.29m
2:01AM0.49m
2:39PM0.22m
2:46AM0.50m
3:23PM0.16m
3:29AM0.49m
4:05PM0.12m
Wave
height (m) 
direction
period (s) 
0.5
NNW
3
0.2
N
4
0.3
E
3
1.1
NW
4
0.6
NNW
4
0.6
NW
3
0.1
W
2
0.5
SW
3
1.6
S
5
0.6
SW
4
1.5
S
5
1.3
SSW
5
0.9
WSW
4
0.5
W
4
0.3
SW
5
0.2
SSW
3
0.6
W
4
0.5
W
4
0.3
W
3
0.2
W
2
0.2
WNW
3
0.5
NNW
3
0.6
NW
4
0.6
WNW
3
0.4
WNW
3
0.2
W
3
0.2
NNE
3
0.4
NE
3
0.4
NNE
3
0.8
N
4
1.1
N
5
0.9
N
5
0.8
NNW
5
0.1
NW
3
0.8
SSW
4
part cloud
cloud
snow showers
clear
clear
clear
clear
cloud
snow showers
part cloud
light rain
rain showers
part cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
cloud
part cloud
part cloud
cloud
part cloud
clear
part cloud
clear
part cloud
cloud
some clouds
cloudy
snow shwrs
clear
clear
clear
clear
cloudy
snow shwrs
some clouds
light rain
rain shwrs
some clouds
some clouds
cloudy
some clouds
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
cloudy
some clouds
some clouds
cloudy
some clouds
clear
some clouds
clear
some clouds
cloudy
 km/h
20
NNW
5
NNE
15
NE
30
NW
20
NW
15
NW
10
WSW
20
SW
30
SSW
15
SW
35
SSW
30
SW
25
WNW
15
WNW
5
SW
10
NNW
20
NW
20
WNW
15
WNW
10
NW
10
NNW
20
NNW
25
NW
20
WNW
15
WNW
10
NW
10
NNE
15
NNE
20
NNE
25
N
30
N
25
NNW
20
NW
0
W
25
SSW
 mm 
3
4
2
max°C
-3
-3
-4
-8
-8
-10
-5
-1
3
5
7
5
-1
-2
-1
0
-2
-6
-3
-4
-6
-5
-4
-6
-5
-5
-6
-6
-6
-7
-3
-2
-3
-1
4
Moonrise
6:49
8:08
9:24
10:35
11:42
12:47
1:52
2:56
4:02
5:07
6:11
Moonset
9:59
10:35
11:03
11:25
11:43
12:01
12:18
12:36
12:56
1:20
1:49
2:27
Sunrise
6:56
6:58
6:58
7:00
7:01
7:01
7:01
7:03
7:03
7:05
7:05
7:05
Sunset
3:55
3:55
3:55
3:55
3:55
3:55
3:55
3:56
3:56
3:56
3:56
3:56
Today's sea temperature in Castine, Penobscot Bay is
7.6° C
(Statistics for 07 Dec 1981-2005 – mean: 7.1 max: 8.3 min: 5.9°C)
Issued (local time): 12 am Sunday 07 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest