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 07:05 AM and sunset is at 03:56 PM.

Days 1–3 Weather Summary

Moderate rain (total 10mm), heaviest on Fri afternoon. Icy conditions (max 12°C on Fri afternoon, min -7°C on Sun night). Winds decreasing (near gales from the S on Fri afternoon, light winds from the S by Sat afternoon).

Days 4–6 Weather Summary

A light covering of new snow, mostly falling on Tue afternoon. Icy conditions (max 2°C on Tue afternoon, min -8°C on Mon night). Winds decreasing (fresh winds from the NW on Mon morning, calm by Mon night).

Days 7–9 Weather Summary

A dusting of snow turning to light rain (total 5mm) on Fri morning. Freeze-thaw conditions (max 4°C on Fri night, min -8°C on Sat night). Wind will be generally light.

Days 10–12 Weather Summary

A light covering of new snow, mostly falling on Tue night. Temperatures will be below freezing (max -2°C on Tue afternoon, min -13°C on Sun night). Winds decreasing (fresh winds from the WNW on Sun night, calm by Tue afternoon).

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
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
10:19AM3.16m
10:55PM2.81m
10:56AM3.19m
11:32PM2.82m
11:33AM3.20m
00:08AM2.83m
12:10PM3.20m
00:45AM2.84m
12:48PM3.19m
1:23AM2.86m
1:28PM3.16m
2:04AM2.90m
2:12PM3.12m
2:49AM2.95m
3:01PM3.06m
3:37AM3.02m
3:56PM3.00m
4:29AM3.10m
4:55PM2.95m
5:26AM3.20m
5:59PM2.93m
6:24AM3.32m
7:03PM2.96m
Low Tide
4:43PM0.09m
4:46AM0.48m
5:20PM0.09m
5:23AM0.48m
5:57PM0.09m
5:59AM0.48m
6:33PM0.09m
6:37AM0.47m
7:11PM0.09m
7:18AM0.46m
7:50PM0.09m
8:02AM0.43m
8:33PM0.10m
8:51AM0.39m
9:19PM0.12m
9:46AM0.33m
10:09PM0.15m
10:45AM0.24m
11:04PM0.18m
11:47AM0.12m
00:03AM0.19m
12:50PM-0.02m
1:03AM0.16m
Wave
height (m) 
direction
period (s) 
1.7
S
6
3
S
7
1.2
WSW
5
1.2
W
5
0.6
WSW
4
1.3
SSW
5
1.3
SSW
5
1.1
WSW
5
0.9
W
5
1.1
NW
4
0.8
NNW
4
0.3
NNW
3
0.5
S
3
1.4
S
5
0.6
W
4
0.9
NNW
4
0.8
NNW
4
0.3
NW
4
0.1
SW
2
0.1
NW
2
0.2
SSE
2
0.5
SE
4
0.4
NNW
3
0.5
WSW
4
0.5
WNW
4
0.4
NW
4
0.6
NW
4
0.9
NW
4
0.9
NW
4
0.9
WNW
4
1
WNW
4
1
WNW
4
0.4
WNW
3
0.2
WSW
2
0.1
SW
2
0.3
ESE
3
light rain
mod rain
rain showers
clear
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
light snow
light snow
clear
clear
clear
part cloud
part cloud
part cloud
light snow
light rain
cloud
part cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
mod snow
light rain
mod rain
rain shwrs
clear
cloudy
some clouds
clear
clear
clear
clear
clear
some clouds
light snow
light snow
clear
clear
clear
some clouds
some clouds
some clouds
light snow
light rain
cloudy
some clouds
cloudy
cloudy
some clouds
clear
clear
clear
clear
clear
some clouds
some clouds
cloudy
mod snow
 km/h
35
S
60
S
30
W
30
WNW
15
W
35
SSW
30
WSW
30
WNW
30
WNW
35
NW
25
NW
10
NW
20
S
30
S
15
NW
25
NNW
25
NNW
10
NW
10
W
5
N
10
ESE
15
E
10
NNW
20
WNW
15
NW
10
NNW
20
NNW
25
NW
30
WNW
30
NW
30
WNW
30
WNW
15
WNW
10
W
0
SSW
20
ENE
 mm 
3
6
1
5
max°C
11
12
4
0
0
4
4
-1
-3
-5
-5
-6
1
2
0
1
0
-4
0
-1
1
3
1
4
-3
-3
-6
-7
-8
-11
-8
-8
-7
-3
-2
-2
Moonrise
7:10
8:02
8:45
9:20
9:48
10:11
10:31
10:50
11:09
11:29
11:53
12:23
Moonset
3:13
4:09
5:12
6:20
7:30
8:40
9:51
11:02
12:15
1:31
2:52
Sunrise
7:05
7:07
7:07
7:07
7:07
7:09
7:09
7:09
7:09
7:09
7:09
7:11
Sunset
3:56
3:57
3:57
3:59
3:59
4:00
4:00
4:00
4:01
4:02
4:02
4:04
Today's sea temperature in Castine, Penobscot Bay is
5.5° C
(Statistics for 19 Dec 1981-2005 – mean: 6.3 max: 7.6 min: 4.7°C)
Issued (local time): 6 am Friday 19 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest