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 06:39 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 Thu morning, min -11°C on Sat night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Icy conditions (max 2°C on Tue morning, min -8°C on Sun morning). Wind will be generally light.

Days 7–9 Weather Summary

Mild at first with light rain (total 2mm) on Wed afternoon followed by colder weather and light fall of snow, heaviest on Fri afternoon. Freeze-thaw conditions (max 3°C on Wed morning, min -15°C on Thu night). Winds decreasing (fresh winds from the NNW on Thu afternoon, calm by Fri morning).

Days 10–12 Weather Summary

A light covering of new snow, mostly falling on Sun afternoon. Temperatures will be below freezing (max -2°C on Sat morning, min -10°C on Sat night). Winds increasing (light winds from the N on Sat night, fresh winds from the NW by Mon night).

Thursday
12
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
Fri
27
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
PM
Wave Height Map
High Tide
7:39PM2.49m
7:51AM2.87m
8:30PM2.58m
8:40AM2.98m
9:15PM2.70m
9:24AM3.11m
9:55PM2.84m
10:04AM3.23m
10:33PM2.98m
10:42AM3.33m
11:09PM3.11m
11:21AM3.39m
11:45PM3.23m
12:00PM3.41m
00:23AM3.33m
12:42PM3.37m
1:03AM3.39m
1:26PM3.29m
1:47AM3.40m
2:15PM3.15m
2:36AM3.36m
3:10PM2.98m
3:31AM3.27m
4:13PM2.83m
4:35AM3.19m
5:24PM2.73m
5:46AM3.15m
6:37PM2.72m
Low Tide
1:24PM0.45m
1:33AM0.66m
2:16PM0.35m
2:24AM0.56m
3:03PM0.22m
3:09AM0.44m
3:44PM0.10m
3:51AM0.30m
4:22PM-0.02m
4:30AM0.17m
4:59PM-0.11m
5:09AM0.05m
5:35PM-0.17m
5:49AM-0.05m
6:12PM-0.18m
6:30AM-0.12m
6:51PM-0.15m
7:15AM-0.14m
7:33PM-0.06m
8:04AM-0.12m
8:20PM0.06m
8:58AM-0.05m
9:13PM0.20m
9:59AM0.03m
10:14PM0.34m
11:07AM0.10m
11:24PM0.41m
12:19PM0.11m
Wave
height (m) 
direction
period (s) 
0.6
NNW
4
0.6
NNW
3
0.7
NNW
4
0.5
NNW
3
0.3
NW
3
0.1
W
3
0.1
N
2
0.1
E
2
0.5
W
3
0.7
NW
4
0.4
NNW
3
0
W
2
0
E
3
0.1
S
2
0.3
SSW
2
0.3
SSW
3
0.3
SSW
3
0.2
S
4
0.2
S
2
0.3
S
3
0.5
N
3
0.9
NNW
4
1
NNW
4
0.6
N
4
0.1
N
3
0.1
S
2
0.3
NE
3
0.4
NNW
3
0.6
WNW
4
0.4
NNW
4
0.1
NE
2
0.2
NNE
2
0.7
NNW
3
0.8
WSW
5
0.9
W
5
0.8
NW
4
0.9
NNW
4
0.9
NNW
4
0.8
NNW
4
0.4
NNW
3
0.1
N
2
0.1
N
2
0.3
NNW
2
0.4
NNW
3
0.2
N
2
0.1
N
2
0
E
2
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
light rain
snow showers
clear
cloud
part cloud
light snow
mod snow
snow showers
clear
clear
part cloud
cloud
light snow
light snow
cloud
cloud
cloud
part cloud
cloud
clear
part cloud
cloud
part cloud
cloud
part cloud
part cloud
part cloud
cloud
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
cloudy
cloudy
cloudy
some clouds
some clouds
cloudy
light rain
snow shwrs
clear
cloudy
some clouds
light snow
mod snow
snow shwrs
clear
clear
some clouds
cloudy
light snow
light snow
cloudy
cloudy
cloudy
some clouds
cloudy
clear
some clouds
cloudy
some clouds
cloudy
some clouds
some clouds
some clouds
cloudy
 km/h
20
NNW
25
NNW
20
NW
20
NNW
15
WNW
5
WNW
5
NW
5
W
20
WNW
25
NNW
15
NNW
5
N
5
S
10
S
10
SSW
15
SW
10
SSW
0
SSE
5
S
10
S
25
N
30
NNW
35
NNW
20
NNW
5
NW
5
SE
10
NNE
20
NNW
20
NW
10
NNW
10
NE
10
NNE
20
NNW
25
WNW
25
WNW
25
NW
30
NNW
30
NW
20
NNW
15
NNW
10
NW
10
NNE
20
NNW
15
NNW
10
NNE
5
NNE
5
SSW
 mm 
2
max°C
0
0
-5
-2
-1
-4
0
0
-2
-4
-2
-3
-1
-1
0
2
2
2
3
2
2
-5
-9
-13
-10
-9
-8
-2
-2
-9
-4
-5
-5
-4
-5
-6
-5
-5
-8
-6
-5
-5
-5
-4
-6
-7
-7
Moonrise
3:48
4:38
5:19
5:52
6:19
6:42
7:02
7:21
7:40
8:01
8:26
8:57
9:37
10:30
11:35
12:50
Moonset
11:49
12:47
1:53
3:03
4:16
5:28
6:41
7:54
9:09
10:26
11:46
1:05
2:20
3:24
4:16
Sunrise
6:39
6:37
6:35
6:33
6:33
6:31
6:30
6:28
6:26
6:24
6:24
6:22
6:20
6:18
6:16
6:15
Sunset
5:00
5:00
5:01
5:04
5:05
5:07
5:07
5:08
5:10
5:12
5:13
5:15
5:15
5:16
5:19
5:20
Today's sea temperature in Castine, Penobscot Bay is
0.1° C
(Statistics for 12 Feb 1981-2005 – mean: 3.5 max: 4.6 min: 2.3°C)
Issued (local time): 6 am Thursday 12 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest