South Harpswell, Potts Harbor Sea Conditions and Tide Table

South Harpswell, Potts Harbor 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 07:09 AM and sunset is at 04:05 PM.

Days 1–3 Weather Summary

A dusting of new snow. Icy conditions (max 5°C on Sun morning, min -7°C on Sun night). Winds decreasing (fresh winds from the WSW on Sun morning, calm by Mon night).

Days 4–6 Weather Summary

A dusting of snow giving way to moderate rain (total 16mm) heaviest on Fri morning. Icy conditions (max 4°C on Thu night, min -13°C on Fri night). Winds increasing (calm on Wed night, strong winds from the NNW by Fri night).

Days 7–9 Weather Summary

A light covering of new snow, mostly falling on Sun morning. Freeze-thaw conditions (max 1°C on Sun morning, min -13°C on Mon night). Winds increasing (light winds from the NNE on Sat afternoon, strong winds from the NW by Sun night).

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 1°C on Thu morning, min -14°C on Tue night). Winds decreasing (fresh winds from the WNW on Tue afternoon, light winds from the N by Wed night).

Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
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
11:39AM2.85m
00:19AM2.45m
12:15PM2.85m
00:56AM2.46m
12:54PM2.83m
1:34AM2.48m
1:35PM2.81m
2:15AM2.53m
2:20PM2.77m
3:00AM2.60m
3:10PM2.72m
3:47AM2.68m
4:05PM2.66m
4:39AM2.77m
5:05PM2.61m
5:35AM2.88m
6:08PM2.59m
6:32AM3.01m
7:14PM2.61m
7:31AM3.13m
8:16PM2.63m
8:29AM3.22m
9:17PM2.71m
Low Tide
6:05PM0.06m
6:02AM0.40m
6:40PM0.06m
6:41AM0.39m
7:18PM0.06m
7:23AM0.37m
7:57PM0.06m
8:08AM0.35m
8:40PM0.07m
8:59AM0.32m
9:27PM0.09m
9:54AM0.26m
10:17PM0.11m
10:54AM0.19m
11:12PM0.13m
11:57AM0.08m
00:11AM0.14m
1:01PM-0.05m
1:10AM0.11m
2:03PM-0.20m
2:09AM0.09m
3:02PM-0.30m
3:08AM0.02m
Wave
height (m) 
direction
period (s) 
2.1
S
8
1.5
SSE
8
1
SSE
8
0.8
SE
10
0.6
SE
9
0.3
SE
9
0.3
SE
10
0.3
SE
10
0.7
SE
4
1
SSE
5
1
SE
6
0.7
SE
6
0.6
ESE
6
0.6
ESE
6
0.7
S
4
0.8
SSE
5
0.9
SSE
5
1.1
N
4
0.9
SSE
10
0.6
S
10
0.4
SSE
9
1
S
5
1.4
SSE
7
1.4
NW
4
1.3
NNW
5
1
NW
4
0.6
WNW
3
0.5
SE
11
0.6
WNW
3
0.4
ESE
12
0.4
SE
11
0.2
ESE
11
0.9
SSW
4
0.6
SSW
5
0.7
N
3
0.7
N
4
clear
clear
clear
clear
clear
clear
cloud
cloud
light snow
light snow
part cloud
part cloud
part cloud
part cloud
light rain
heavy rain
rain showers
clear
clear
cloud
cloud
light snow
cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
cloudy
cloudy
light snow
light snow
some clouds
some clouds
some clouds
some clouds
light rain
heavy rain
rain shwrs
clear
clear
cloudy
cloudy
light snow
cloudy
some clouds
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
 km/h
35
WSW
30
WNW
30
NW
35
NW
20
NW
5
NE
10
NE
15
E
25
SE
10
NNW
25
N
10
NNW
20
WSW
10
WSW
10
SW
15
WSW
35
N
35
NNW
25
NNW
20
NNW
20
SW
15
SSW
20
NNW
45
NW
45
NW
35
NW
25
NW
25
WNW
30
WNW
20
W
15
WNW
10
WSW
20
WSW
15
WNW
30
N
20
NNW
 mm 
1
12
3
max°C
5
0
-3
-5
-5
-5
-4
-2
1
0
1
-2
-1
3
4
4
3
-7
-9
-9
-2
1
-2
-2
-8
-8
-11
-11
-11
-13
-9
-5
-4
1
-1
-7
Moonrise
8:47
9:22
9:51
10:15
10:35
10:55
11:14
11:35
12:00
12:30
1:09
2:02
Moonset
5:20
6:28
7:37
8:47
9:56
11:07
12:19
1:35
2:55
4:17
5:38
Sunrise
7:09
7:11
7:11
7:11
7:11
7:11
7:11
7:13
7:13
7:13
7:13
7:13
Sunset
4:05
4:06
4:06
4:07
4:07
4:07
4:08
4:09
4:09
4:10
4:12
4:13
Today's sea temperature in South Harpswell, Potts Harbor is
5.9° C
(Statistics for 21 Dec 1981-2005 – mean: 6.0 max: 6.8 min: 4.4°C)
Issued (local time): 6 am Sunday 21 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest