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 — and sunset is at 04:25 PM.

Days 1–4 Weather Summary

Light rain (total 2mm) at first, then becoming colder with a dusting of snow on Thu morning. Icy conditions (max 6°C on Tue night, min -7°C on Thu night). Mainly strong winds.

Days 5–7 Weather Summary

A dusting of snow turning to light rain (total 4mm) on Sun night. Icy conditions (max 8°C on Sun night, min -4°C on Fri afternoon). Winds increasing (light winds from the SSE on Sat night, strong winds from the WNW by Mon morning).

Days 8–10 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 3°C on Wed night, min -4°C on Mon night). Winds decreasing (strong winds from the W on Mon night, moderate winds from the WSW by Wed afternoon).

Days 11–13 Weather Summary

Mostly dry. Temperatures will be below freezing (max -3°C on Thu afternoon, min -9°C on Thu night). Mainly strong winds.

Tue
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sun
4
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
10:30PM0.71m
10:39AM0.89m
11:17PM0.74m
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
Low Tide
4:44PM0.16m
4:21AM0.24m
5:22PM0.16m
5:12AM0.25m
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
Wave
height (m) 
direction
period (s) 
0.7
SSW
4
1.2
SW
5
1.3
W
5
1
NNW
4
0.5
E
10
1.4
ESE
10
1.5
SSE
7
1.2
NE
6
0.8
ESE
10
0.5
E
10
0.7
E
10
1.2
ENE
5
1.1
ESE
12
0.9
ESE
12
0.8
ESE
12
1
ESE
12
1.7
S
6
1.8
WSW
6
1.8
WSW
6
2.3
WSW
7
2.3
SW
7
1.9
SW
7
1.6
WSW
6
0.9
SW
6
0.8
WSW
5
1.3
SW
5
2
SW
6
1.7
SSW
7
1.2
W
5
1.1
W
5
1.1
WSW
5
0.9
WSW
5
0.8
WSW
5
1.3
WSW
5
1.2
SW
6
0.6
SW
5
light rain
part cloud
clear
clear
part cloud
light snow
part cloud
clear
part cloud
part cloud
light snow
part cloud
clear
part cloud
cloud
light rain
rain showers
clear
cloud
part cloud
cloud
part cloud
clear
clear
part cloud
part cloud
light snow
part cloud
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
light rain
some clouds
clear
clear
some clouds
light snow
some clouds
clear
some clouds
some clouds
light snow
some clouds
clear
some clouds
cloudy
light rain
rain shwrs
clear
cloudy
some clouds
cloudy
some clouds
clear
clear
some clouds
some clouds
light snow
some clouds
clear
some clouds
some clouds
some clouds
clear
some clouds
some clouds
some clouds
 km/h
10
SSE
30
W
40
NW
35
NNW
10
WSW
35
SW
25
NW
35
NNW
25
N
15
ENE
25
ENE
30
ENE
20
ENE
10
ENE
10
SSE
25
S
30
WSW
50
WNW
40
W
50
W
45
W
45
W
40
WNW
25
W
25
W
30
WSW
40
WSW
45
NW
35
WNW
40
W
40
WNW
35
WNW
25
WSW
30
WSW
30
W
25
NNW
 mm 
2
2
2
max°C
4
6
4
4
2
4
4
-3
-5
-3
-3
-1
-1
-2
3
6
8
-2
-2
-4
-1
-1
-2
-1
0
3
1
-3
-8
-7
-6
-6
-4
-3
-3
-6
Moonrise
10:19
10:42
11:04
11:26
11:49
12:16
12:49
1:31
2:25
3:32
4:48
Moonset
7:56
9:03
10:10
11:18
12:28
1:41
2:58
4:18
5:37
6:48
7:47
8:32
Sunrise
7:13
7:13
7:13
7:13
7:13
7:13
7:13
7:15
7:15
7:15
7:15
7:15
Sunset
4:25
4:27
4:28
4:28
4:29
4:30
4:30
4:30
4:31
4:32
4:34
4:35
Today's sea temperature in Riverhead is
6.2° C
(Statistics for 23 Dec 1981-2005 – mean: 8.3 max: 10.5 min: 6.5°C)
Issued (local time): 6 pm Tuesday 23 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest