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 07:09 AM and sunset is at 04:23 PM.

Days 1–3 Weather Summary

Heavy rain (total 20mm), heaviest during Fri morning. Icy conditions (max 13°C on Thu night, min -2°C on Fri night). Winds increasing (light winds from the S on Wed night, gales from the S by Fri morning).

Days 4–6 Weather Summary

Mostly dry. Icy conditions (max 7°C on Sat night, min -6°C on Mon night). Winds increasing (light winds from the WSW on Sat afternoon, strong winds from the W by Sun night).

Days 7–9 Weather Summary

A moderate fall of snow, heaviest on Thu morning. Freeze-thaw conditions (max 5°C on Wed morning, min -3°C on Tue morning). Winds decreasing (fresh winds from the W on Tue night, calm by Wed night).

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 5°C on Fri morning, min -8°C on Sat night). Mainly strong winds.

Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
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
6:22PM0.64m
6:47AM0.93m
7:02PM0.65m
7:26AM0.95m
7:42PM0.66m
8:04AM0.96m
8:22PM0.67m
8:42AM0.96m
9:03PM0.68m
9:20AM0.94m
9:46PM0.69m
9:58AM0.92m
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
Low Tide
12:48PM0.20m
00:12AM0.17m
1:29PM0.18m
00:52AM0.17m
2:09PM0.17m
1:33AM0.17m
2:49PM0.17m
2:13AM0.18m
3:29PM0.17m
2:53AM0.19m
4:07PM0.17m
3:35AM0.22m
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
Wave
height (m) 
direction
period (s) 
1.6
SSW
6
1.8
SSW
6
1.1
SSW
7
0.7
SSW
7
0.8
SSE
7
1.7
S
6
4
S
9
3
SSE
10
2.5
SSE
10
1.4
SSE
10
0.9
SSE
9
1.4
SSE
9
2
SSW
7
1.4
S
7
1.8
WSW
6
1
ESE
10
0.8
ESE
10
0.7
NE
5
0.4
SE
10
0.6
SW
4
1.9
SW
6
1.7
SSW
7
1.3
SSW
7
0.5
SSW
6
0.5
S
7
0.8
E
4
1.1
SSE
6
1.2
S
7
1.3
WSW
5
1.6
WSW
6
1.2
WSW
5
1.2
W
5
1.1
NW
4
1.2
NW
4
1.3
NW
4
1.2
WNW
5
part cloud
clear
clear
clear
part cloud
light rain
heavy rain
rain showers
clear
part cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
cloud
cloud
snow showers
part cloud
part cloud
part cloud
mod snow
cloud
cloud
part cloud
clear
part cloud
part cloud
cloud
part cloud
clear
clear
clear
some clouds
clear
clear
clear
some clouds
light rain
heavy rain
rain shwrs
clear
some clouds
some clouds
cloudy
some clouds
clear
clear
clear
clear
clear
cloudy
cloudy
snow shwrs
some clouds
some clouds
some clouds
mod snow
cloudy
cloudy
some clouds
clear
some clouds
some clouds
cloudy
some clouds
clear
clear
clear
 km/h
35
SW
35
WSW
10
W
10
SSE
20
SE
40
S
60
S
40
WSW
50
WNW
25
NW
10
WSW
30
SSW
30
W
25
W
45
W
35
NW
40
NNW
25
NNW
15
WNW
25
SW
35
WSW
30
W
30
WNW
20
NW
15
ENE
30
ENE
15
E
30
W
35
W
40
W
35
WNW
40
NW
40
NNW
45
NW
50
NW
40
WNW
 mm 
4
14
2
max°C
6
5
4
6
10
13
13
8
1
0
1
7
6
7
5
-1
-1
-5
-1
2
3
5
5
1
-1
1
5
5
4
2
-2
-3
-6
-6
-5
-6
Moonrise
5:10
6:11
7:09
8:01
8:46
9:22
9:53
10:19
10:42
11:04
11:26
11:49
Moonset
2:19
2:58
3:46
4:41
5:43
6:49
7:56
9:03
10:10
11:18
12:28
Sunrise
7:09
7:09
7:09
7:11
7:11
7:11
7:11
7:13
7:13
7:13
7:13
7:13
Sunset
4:23
4:23
4:23
4:24
4:24
4:25
4:25
4:27
4:28
4:28
4:29
4:30
Today's sea temperature in Riverhead is
7.3° C
(Statistics for 17 Dec 1981-2005 – mean: 9.0 max: 12.1 min: 7.4°C)
Issued (local time): 6 am Wednesday 17 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest