Niantic Sea Conditions and Tide Table

Niantic 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 04:21 PM.

Days 1–4 Weather Summary

Moderate rain (total 19mm), heaviest on Fri morning. Icy conditions (max 13°C on Fri morning, min -2°C on Fri night). Winds increasing (light winds from the SE on Thu afternoon, near gales from the SSE by Fri morning).

Days 5–7 Weather Summary

A dusting of new snow. Icy conditions (max 4°C on Sun afternoon, min -5°C on Sun night). Winds decreasing (fresh winds from the NW on Sun night, light winds from the WNW by Mon night).

Days 8–10 Weather Summary

Moderate rain (total 19mm), heaviest on Fri morning. Very mild (max 11°C on Fri afternoon, min 1°C on Wed afternoon). Wind will be generally light.

Days 11–13 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 5°C on Sat afternoon, min -3°C on Sat night). Wind will be generally light.

Thu
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
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
Wave Height Map
High Tide
9:22PM0.62m
9:37AM0.85m
10:02PM0.63m
10:17AM0.84m
10:44PM0.64m
10:58AM0.83m
11:28PM0.64m
11:38AM0.81m
00:12AM0.63m
12:17PM0.80m
00:58AM0.64m
12:56PM0.77m
1:44AM0.65m
1:37PM0.74m
2:31AM0.68m
2:22PM0.71m
3:21AM0.72m
3:16PM0.67m
4:14AM0.77m
4:18PM0.63m
5:10AM0.83m
5:23PM0.61m
6:06AM0.89m
Low Tide
3:43PM0.01m
3:32AM0.11m
4:19PM0.00m
4:10AM0.10m
4:57PM-0.00m
4:48AM0.09m
5:35PM-0.01m
5:28AM0.10m
6:17PM-0.01m
6:12AM0.10m
7:00PM-0.01m
7:02AM0.11m
7:46PM-0.01m
7:57AM0.12m
8:32PM-0.00m
8:56AM0.11m
9:19PM-0.00m
9:57AM0.08m
10:07PM0.00m
10:57AM0.05m
10:57PM0.00m
11:57AM0.00m
11:51PM-0.00m
12:56PM-0.05m
Wave
height (m) 
direction
period (s) 
0.4
SE
2
0.7
SSE
4
2.3
SSE
6
0.9
SE
10
1.6
W
5
0.7
WNW
4
0.3
SE
10
0.6
SSW
3
0.9
WSW
4
1
W
4
1.1
NW
4
1.2
NNW
4
0.8
NNW
4
0.2
WNW
2
0.4
SW
3
0.7
SW
4
0.4
NW
3
0.5
NW
3
0.3
NNW
3
0
E
10
0.4
SSW
3
0.4
SSW
3
0.2
SSW
2
0.5
SSW
3
0.3
W
3
0.1
SE
9
0.7
NNW
4
0.3
NNW
3
0.4
NNE
3
0.2
NNE
2
0.1
E
8
0.1
E
8
0.2
S
2
0.3
NNW
3
0.2
N
2
0.1
E
10
clear
light rain
heavy rain
light rain
clear
part cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
cloud
cloud
snow showers
clear
clear
part cloud
part cloud
light rain
light rain
light rain
mod rain
part cloud
rain showers
clear
part cloud
clear
clear
cloud
cloud
light snow
clear
clear
clear
clear
light rain
heavy rain
light rain
clear
some clouds
cloudy
some clouds
clear
clear
clear
clear
some clouds
cloudy
cloudy
snow shwrs
clear
clear
some clouds
some clouds
light rain
light rain
light rain
mod rain
some clouds
rain shwrs
clear
some clouds
clear
clear
cloudy
cloudy
light snow
clear
clear
clear
 km/h
15
SE
20
SSE
60
SSE
30
WSW
45
W
25
WNW
15
SW
30
SSW
30
WSW
30
WNW
35
WNW
35
NW
25
NW
15
W
25
SW
30
WSW
15
WNW
20
NW
10
NW
0
SW
25
SSW
20
SW
15
SSW
20
SSW
15
NW
5
NW
25
NW
15
NNW
20
N
10
NNE
10
S
10
S
15
WSW
15
NNW
10
NW
5
WSW
 mm 
1
13
5
1
4
3
9
2
max°C
8
12
13
8
0
1
2
6
6
4
-2
-1
-2
1
3
1
2
4
4
3
5
6
9
10
11
9
6
5
0
1
1
2
3
3
-1
1
Moonrise
7:09
8:01
8:46
9:22
9:53
10:18
10:41
11:03
11:24
11:47
12:14
12:46
Moonset
3:42
4:37
5:39
6:45
7:52
9:00
10:07
11:16
12:26
1:39
2:57
Sunrise
7:09
7:09
7:11
7:11
7:11
7:11
7:11
7:13
7:13
7:13
7:13
7:13
Sunset
4:21
4:21
4:22
4:22
4:22
4:22
4:23
4:23
4:24
4:25
4:25
4:27
Today's sea temperature in Niantic is
7.0° C
(Statistics for 18 Dec 1981-2005 – mean: 8.6 max: 11.7 min: 7.0°C)
Issued (local time): 6 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest