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 07:01 AM and sunset is at 04:22 PM.

Days 1–3 Weather Summary

Mostly dry. Icy conditions (max 6°C on Tue afternoon, min -5°C on Mon morning). Winds decreasing (strong winds from the NNW on Sun night, calm by Mon night).

Days 4–6 Weather Summary

Light rain (total 2mm), mostly falling on Wed afternoon. Low air temperatures (max 9°C on Wed morning, min 2°C on Thu morning). Winds decreasing (strong winds from the SSW on Wed morning, calm by Thu night).

Days 7–9 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 1°C on Mon morning, min -4°C on Sat night). Winds decreasing (fresh winds from the NW on Sat night, calm by Mon morning).

Days 10–12 Weather Summary

A light covering of new snow, mostly falling on Tue afternoon. Freeze-thaw conditions (max 6°C on Thu night, min -3°C on Tue afternoon). Winds decreasing (near gales from the N on Tue afternoon, calm by Wed night).

Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thu
18
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
Wave Height Map
High Tide
9:45AM1.12m
10:16PM0.78m
10:40AM1.04m
11:15PM0.77m
11:35AM0.95m
00:17AM0.77m
12:31PM0.86m
1:20AM0.78m
1:27PM0.78m
2:22AM0.79m
2:24PM0.71m
3:18AM0.82m
3:20PM0.66m
4:07AM0.84m
4:11PM0.64m
4:50AM0.86m
4:58PM0.63m
5:30AM0.89m
5:41PM0.63m
6:09AM0.91m
6:22PM0.64m
6:47AM0.93m
Low Tide
4:28PM0.04m
4:13AM0.08m
5:22PM0.07m
5:16AM0.14m
6:16PM0.10m
6:22AM0.20m
7:08PM0.13m
7:31AM0.24m
7:58PM0.15m
8:37AM0.26m
8:44PM0.17m
9:39AM0.27m
9:28PM0.18m
10:34AM0.25m
10:10PM0.18m
11:22AM0.24m
10:51PM0.18m
12:06PM0.21m
11:31PM0.18m
12:48PM0.20m
00:12AM0.17m
1:29PM0.18m
Wave
height (m) 
direction
period (s) 
0.7
SE
8
0.8
ESE
8
1.1
S
6
1.1
NNW
4
0.9
ENE
6
0.6
E
8
0.4
ESE
9
0.7
S
3
2.3
SW
7
1.9
SSW
6
3.5
SSW
8
2.5
S
9
1.6
S
8
1.2
S
8
0.8
S
8
0.6
S
7
0.6
S
7
0.6
S
6
0.6
S
7
0.4
S
7
0.6
NNW
3
0.7
NW
4
0.8
W
4
0.6
W
4
0.3
SE
10
0.4
SE
10
0.9
NE
4
2.4
ENE
7
3
E
9
2.5
ESE
11
1.7
ESE
11
1.4
ESE
12
1
ESE
12
0.8
ESE
11
1
E
11
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
light rain
rain showers
clear
part cloud
cloud
cloud
part cloud
clear
clear
part cloud
clear
part cloud
clear
part cloud
part cloud
light snow
light snow
light snow
light snow
part cloud
clear
clear
clear
clear
cloud
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
cloudy
some clouds
some clouds
light rain
rain shwrs
clear
some clouds
cloudy
cloudy
some clouds
clear
clear
some clouds
clear
some clouds
clear
some clouds
some clouds
light snow
light snow
light snow
light snow
some clouds
clear
clear
clear
clear
cloudy
 km/h
0
NNE
20
WSW
35
WNW
40
N
25
NNE
15
NNE
10
S
25
SSW
35
WSW
35
SSW
45
SW
40
WSW
25
NW
15
WNW
10
W
10
N
25
NW
20
NNW
15
NW
10
WNW
30
NNW
35
NW
30
NW
15
WNW
10
W
5
SSE
35
NE
55
NNE
60
N
50
N
40
NNW
25
NW
20
WNW
20
SW
25
SW
 mm 
1
1
max°C
3
4
4
-4
-3
-3
0
6
6
9
9
8
3
3
2
2
3
0
-1
0
-2
-2
0
-1
1
-1
0
-1
-2
-1
1
2
0
3
5
Moonrise
7:18
8:34
9:46
10:54
11:58
1:01
2:02
3:04
4:07
5:10
6:11
Moonset
10:01
10:41
11:11
11:36
11:57
12:17
12:37
12:58
1:20
1:47
2:19
2:58
Sunrise
7:01
7:01
7:03
7:03
7:05
7:05
7:05
7:07
7:07
7:07
7:09
7:09
Sunset
4:22
4:22
4:22
4:22
4:22
4:22
4:22
4:22
4:22
4:22
4:23
4:23
Today's sea temperature in Riverhead is
9.2° C
(Statistics for 07 Dec 1981-2005 – mean: 10.1 max: 13.0 min: 8.4°C)
Issued (local time): 12 am Sunday 07 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest