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 07:09 AM and sunset is at 04:21 PM.

Days 1–3 Weather Summary

Moderate rain (total 16mm), heaviest on Fri morning. Icy conditions (max 13°C on Fri morning, min -1°C on Fri night). Winds increasing (light winds from the SE on Thu morning, near gales from the S by Fri morning).

Days 4–6 Weather Summary

A dusting of new snow. Icy conditions (max 6°C on Sun morning, min -6°C on Sun night). Winds increasing (light winds from the WNW on Mon night, strong winds from the SW by Tue morning).

Days 7–9 Weather Summary

Moderate rain (total 10mm), heaviest on Thu night. Freeze-thaw conditions (max 12°C on Fri afternoon, min -5°C on Wed night). Winds increasing (light winds from the W on Wed night, fresh winds from the SW by Thu night).

Days 10–12 Weather Summary

Light rain (total 5mm), mostly falling on Sun night. Freeze-thaw conditions (max 7°C on Mon morning, min -3°C on Mon night). Winds increasing (calm on Sat night, fresh winds from the NNW by Mon night).

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
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
8:56AM0.85m
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
Wave
height (m) 
direction
period (s) 
0.1
E
9
0.4
SE
2
0.7
SSE
4
2.5
SSE
6
1.1
WSW
4
1.6
W
5
0.6
WNW
4
0.4
SE
10
0.7
SSW
4
0.9
WSW
4
0.9
W
4
1.1
NW
4
0.9
NW
4
0.8
NNW
4
0.2
WNW
2
0.8
SSW
4
1.2
SW
4
0.8
W
4
1
NNW
4
0.7
NNW
4
0.2
NNW
2
0.2
WSW
2
0.5
SW
3
0.7
S
4
1
SW
4
0.7
WSW
4
0.4
NW
3
0.3
NW
3
0
E
10
0
E
7
0
E
7
0.1
SE
1
0.2
SSE
2
0.1
N
1
0.3
NNW
2
0.8
NNW
4
clear
clear
light rain
heavy rain
light rain
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
light snow
snow showers
clear
clear
clear
clear
clear
cloud
mod rain
rain showers
clear
part cloud
part cloud
clear
part cloud
cloud
cloud
light rain
part cloud
clear
clear
clear
clear
light rain
heavy rain
light rain
clear
clear
some clouds
some clouds
clear
clear
clear
clear
clear
some clouds
light snow
snow shwrs
clear
clear
clear
clear
clear
cloudy
mod rain
rain shwrs
clear
some clouds
some clouds
clear
some clouds
cloudy
cloudy
light rain
some clouds
clear
clear
 km/h
10
SE
15
SE
20
SSE
55
S
35
WSW
45
W
25
WNW
15
SW
30
SSW
30
WSW
30
WNW
30
WNW
30
NW
25
NW
10
W
30
SW
35
WSW
25
W
30
NW
20
NNW
5
NNW
20
SW
25
SW
30
SW
35
WSW
30
W
20
WNW
15
NW
5
WNW
5
WNW
0
E
10
SE
10
ESE
10
NNW
25
NNW
30
NNW
 mm 
2
11
3
9
1
5
max°C
5
8
12
13
8
0
1
2
6
6
4
-2
-3
-3
0
1
1
3
-2
-2
-4
2
4
7
10
12
6
4
4
2
4
5
5
7
6
0
Moonrise
6:11
7:09
8:01
8:46
9:22
9:53
10:18
10:41
11:03
11:24
11:47
12:14
Moonset
2:54
3:42
4:37
5:39
6:45
7:52
9:00
10:07
11:16
12:26
1:39
Sunrise
7:09
7:09
7:09
7:11
7:11
7:11
7:11
7:11
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): 12 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest