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 07:07 AM and sunset is at 04:22 PM.

Days 1–3 Weather Summary

Some drizzle, heaviest during Thu night. Icy conditions (max 13°C on Thu night, min -3°C on Tue morning). Winds increasing (calm on Wed night, near gales from the S by Thu night).

Days 4–6 Weather Summary

Moderate rain (total 10mm), heaviest on Fri morning. Icy conditions (max 13°C on Fri morning, min -2°C on Fri night). Winds decreasing (gales from the S on Fri morning, light winds from the WSW by Sat afternoon).

Days 7–9 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 4°C on Wed afternoon, min -6°C on Mon night). Winds decreasing (strong winds from the NW on Mon afternoon, light winds from the SE by Wed night).

Days 10–12 Weather Summary

Heavy rain (total 27mm), heaviest during Sat night. Very mild (max 10°C on Sat night, min 3°C on Thu afternoon). Winds increasing (calm on Sat afternoon, strong winds from the W by Sun morning).

Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
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
5:41PM0.63m
6:09AM0.91m
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
Low Tide
12:06PM0.21m
11:31PM0.18m
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
Wave
height (m) 
direction
period (s) 
0.7
SW
5
0.6
SW
4
1.2
SW
5
1.8
SSW
6
2.1
SSW
7
1.4
SSW
7
0.9
SSW
7
1
S
6
1.7
S
6
4
S
9
3
SSE
10
3
SSE
10
1.9
SSE
10
1.2
SSE
10
1.6
SW
5
2
S
7
1.9
SSW
7
1.7
SW
6
1.3
W
5
1.1
NW
4
0.9
NNW
4
0.3
ESE
10
0.9
SW
4
2.2
SW
6
1.3
SSW
7
1
SSW
7
0.5
SSW
6
0.4
SSW
5
0.5
S
4
0.4
SE
10
0.8
SSE
4
0.9
S
5
1
S
5
0.7
S
6
0.6
S
6
0.7
S
6
clear
part cloud
clear
part cloud
part cloud
clear
clear
clear
light rain
mod rain
rain showers
part cloud
part cloud
part cloud
cloud
part cloud
clear
part cloud
clear
clear
clear
cloud
cloud
light snow
cloud
part cloud
light snow
cloud
cloud
cloud
mod rain
cloud
part cloud
part cloud
cloud
heavy rain
clear
some clouds
clear
some clouds
some clouds
clear
clear
clear
light rain
mod rain
rain shwrs
some clouds
some clouds
some clouds
cloudy
some clouds
clear
some clouds
clear
clear
clear
cloudy
cloudy
light snow
cloudy
some clouds
light snow
cloudy
cloudy
cloudy
mod rain
cloudy
some clouds
some clouds
cloudy
heavy rain
 km/h
20
WSW
15
SW
30
WSW
35
SW
35
WSW
15
W
15
S
15
SSE
35
S
65
S
30
W
50
WNW
30
WNW
15
W
30
SW
30
WSW
30
WSW
40
WNW
40
NW
40
NW
35
NNW
10
W
30
SW
40
WSW
20
WNW
10
WNW
10
ENE
15
SSE
5
NW
10
NE
25
SE
15
WSW
25
W
15
NW
5
NW
20
SE
 mm 
1
8
2
8
13
max°C
-2
-1
3
5
5
4
7
10
13
13
8
2
0
1
7
6
7
1
-2
-2
-5
-2
2
1
3
4
1
4
3
4
9
8
8
5
5
10
Moonrise
4:07
5:10
6:11
7:09
8:01
8:46
9:22
9:53
10:19
10:42
11:04
11:26
Moonset
1:47
2:19
2:58
3:46
4:41
5:43
6:49
7:56
9:03
10:10
11:18
Sunrise
7:07
7:09
7:09
7:09
7:11
7:11
7:11
7:11
7:13
7:13
7:13
7:13
Sunset
4:22
4:23
4:23
4:23
4:24
4:24
4:25
4:25
4:27
4:28
4:28
4:29
Today's sea temperature in Riverhead is
7.7° C
(Statistics for 16 Dec 1981-2005 – mean: 9.1 max: 12.1 min: 7.4°C)
Issued (local time): 12 pm Tuesday 16 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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