Riverhead Sea Conditions and Tide Table

Riverhead 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 07:13 AM and sunset is at 04:28 PM.

Days 1–3 Weather Summary

A moderate fall of snow, heaviest on Fri night. Icy conditions (max 5°C on Thu morning, min -6°C on Thu night). Winds decreasing (strong winds from the NNW on Thu afternoon, light winds from the NNE by Fri morning).

Days 4–6 Weather Summary

Moderate rain (total 19mm), heaviest on Sun night. Icy conditions (max 10°C on Mon morning, min -3°C on Sun morning). Winds increasing (light winds from the WNW on Sun morning, near gales from the W by Mon night).

Days 7–9 Weather Summary

Light rain (total 3mm), mostly falling on Thu night. Freeze-thaw conditions (max 5°C on Thu night, min -8°C on Fri night). Winds decreasing (strong winds from the WSW on Wed afternoon, light winds from the SSW by Thu night).

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 4°C on Mon afternoon, min -8°C on Sat morning). Winds decreasing (fresh winds from the SW on Sun night, light winds from the NW by Tue morning).

Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
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
11:22AM0.86m
00:07AM0.77m
12:10PM0.82m
1:01AM0.82m
1:05PM0.78m
1:58AM0.87m
2:05PM0.74m
2:58AM0.93m
3:10PM0.72m
3:58AM1.00m
4:15PM0.71m
4:58AM1.06m
5:19PM0.72m
5:56AM1.11m
6:20PM0.74m
6:53AM1.14m
7:17PM0.77m
7:47AM1.15m
8:13PM0.79m
8:40AM1.12m
9:06PM0.82m
9:30AM1.08m
10:00PM0.83m
Low Tide
6:01PM0.15m
6:11AM0.26m
6:43PM0.13m
7:16AM0.25m
7:30PM0.12m
8:24AM0.23m
8:22PM0.10m
9:32AM0.19m
9:17PM0.08m
10:37AM0.14m
10:15PM0.06m
11:39AM0.10m
11:14PM0.04m
12:38PM0.06m
00:12AM0.02m
1:34PM0.04m
1:10AM0.01m
2:27PM0.03m
2:08AM0.02m
3:17PM0.03m
3:05AM0.04m
4:06PM0.04m
4:01AM0.08m
Wave
height (m) 
direction
period (s) 
1.3
SW
4
1.4
SW
6
1
E
10
0.7
ESE
11
0.5
E
11
0.9
ESE
4
1.5
E
6
1.1
E
6
0.8
ESE
11
0.6
ESE
11
0.6
ESE
12
1
SSW
4
2.1
SSW
7
2.2
SSW
8
2.5
WSW
7
2
WSW
6
1.9
WSW
6
1.6
WSW
6
1.5
SW
6
1.7
SW
6
1.4
SW
6
0.5
SW
6
0.4
SE
12
0.4
SE
12
1.2
SSW
5
1.1
SW
6
0.8
NW
4
0.6
W
5
0.6
WNW
3
0.3
W
4
0.5
W
3
0.9
SW
4
1.8
SW
6
1.5
SSW
6
1.1
SSW
6
0.6
SSW
5
cloud
part cloud
clear
part cloud
light snow
mod snow
cloud
part cloud
clear
part cloud
cloud
heavy rain
light rain
rain showers
cloud
part cloud
clear
part cloud
clear
clear
part cloud
cloud
cloud
light rain
rain showers
clear
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
part cloud
cloudy
some clouds
clear
some clouds
light snow
mod snow
cloudy
some clouds
clear
some clouds
cloudy
heavy rain
light rain
rain shwrs
cloudy
some clouds
clear
some clouds
clear
clear
some clouds
cloudy
cloudy
light rain
rain shwrs
clear
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
 km/h
35
WSW
40
NNW
35
NNW
20
NNE
15
ESE
30
E
30
NE
15
N
20
NW
20
WNW
20
WSW
25
SSW
30
SW
35
W
60
W
55
WNW
55
WNW
40
W
35
W
40
WSW
40
WNW
20
WNW
20
WNW
15
S
25
WSW
40
NNW
35
NW
30
NW
30
NW
15
WNW
20
W
25
WSW
35
WSW
30
WSW
20
W
10
W
 mm 
17
1
1
2
1
max°C
5
5
-4
-4
-4
0
-1
0
-1
-1
1
8
10
9
3
-2
-2
-1
1
2
1
-6
-5
5
2
-1
-6
-6
-5
-5
-2
0
2
2
4
4
Moonrise
10:42
11:04
11:26
11:49
12:16
12:49
1:31
2:25
3:32
4:48
6:07
7:23
Moonset
10:10
11:18
12:28
1:41
2:58
4:18
5:37
6:48
7:47
8:32
9:07
Sunrise
7:13
7:13
7:13
7:13
7:13
7:13
7:15
7:15
7:15
7:15
7:15
7:15
Sunset
4:28
4:28
4:29
4:30
4:30
4:30
4:31
4:32
4:34
4:35
4:36
4:37
Today's sea temperature in Riverhead is
6.0° C
(Statistics for 25 Dec 1981-2005 – mean: 8.1 max: 10.5 min: 6.0°C)
Issued (local time): 12 pm Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest