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 06:39 AM and sunset is at 05:28 PM.

Days 1–3 Weather Summary

Moderate rain (total 16mm), heaviest on Fri morning. Air temperatures will be slightly above freezing (max 3°C on Wed morning, min 1°C on Wed night). Winds increasing (calm on Wed morning, fresh winds from the ENE by Fri afternoon).

Days 4–6 Weather Summary

A light covering of new snow, mostly falling on Mon afternoon. Icy conditions (max 5°C on Sat morning, min -2°C on Mon afternoon). Winds increasing (light winds from the NNW on Sat morning, gales from the NNE by Mon morning).

Days 7–9 Weather Summary

Light rain (total 4mm), mostly falling on Wed night. Freeze-thaw conditions (max 6°C on Wed afternoon, min -4°C on Thu night). Winds increasing (light winds from the WSW on Tue night, fresh winds from the SW by Wed night).

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 11°C on Sun afternoon, min -3°C on Fri morning). Winds increasing (light winds from the W on Fri afternoon, strong winds from the SSW by Mon morning).

Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
1
Monday
2
Tuesday
3
Wednesday
4
Thu
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
High Tide
8:36AM0.95m
9:01PM0.91m
9:16AM0.93m
9:43PM0.95m
9:57AM0.89m
10:27PM0.97m
10:41AM0.84m
11:14PM0.98m
11:29AM0.78m
00:07AM0.97m
12:23PM0.72m
1:06AM0.95m
1:26PM0.67m
2:14AM0.93m
2:39PM0.65m
3:27AM0.93m
3:57PM0.66m
4:37AM0.95m
5:08PM0.71m
5:40AM0.97m
6:07PM0.77m
6:34AM0.98m
6:59PM0.83m
7:21AM0.98m
7:45PM0.89m
8:05AM0.95m
8:27PM0.93m
8:45AM0.91m
Low Tide
2:59PM0.06m
3:13AM0.09m
3:33PM0.05m
3:59AM0.09m
4:09PM0.04m
4:48AM0.10m
4:49PM0.06m
5:42AM0.13m
5:34PM0.08m
6:42AM0.16m
6:27PM0.11m
7:50AM0.19m
7:30PM0.14m
9:04AM0.21m
8:42PM0.16m
10:17AM0.19m
9:57PM0.16m
11:21AM0.16m
11:07PM0.13m
12:15PM0.13m
00:09AM0.10m
1:01PM0.09m
1:04AM0.07m
1:43PM0.07m
1:54AM0.06m
2:20PM0.05m
2:40AM0.06m
2:56PM0.06m
Wave
height (m) 
direction
period (s) 
1
SE
9
0.9
SE
8
1.1
SE
9
1.2
S
8
1.2
S
8
1
S
7
1.1
ESE
5
1.6
ESE
6
1.3
SE
7
1.1
SE
7
0.9
SSE
7
1.2
E
5
1.1
E
4
1.3
E
5
2.5
E
7
4
ESE
10
3.5
ESE
12
2.2
ESE
12
1.6
ESE
13
1.3
ESE
12
0.9
ESE
12
0.6
E
11
1.2
SSW
5
2.5
SSW
7
1.7
SSW
8
1.7
S
8
1.4
S
8
0.9
SSE
8
0.7
SSE
8
1.1
S
5
1.4
SSW
5
1.6
SSW
6
1.3
SSW
6
1.6
S
6
1.5
S
6
1.4
S
6
2
S
6
2.4
S
7
1.6
S
7
1.1
SSW
6
0.9
SE
8
0.8
SE
9
1.1
SSW
4
1.2
SSW
5
0.9
S
5
0.9
WSW
4
0.8
SE
8
light rain
light rain
light rain
part cloud
cloud
cloud
mod rain
light rain
part cloud
part cloud
cloud
part cloud
part cloud
cloud
light snow
light snow
light snow
cloud
cloud
cloud
clear
cloud
cloud
light rain
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
part cloud
cloud
part cloud
part cloud
light rain
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
light rain
light rain
light rain
some clouds
cloudy
cloudy
mod rain
light rain
some clouds
some clouds
cloudy
some clouds
some clouds
cloudy
light snow
light snow
light snow
cloudy
cloudy
cloudy
clear
cloudy
cloudy
light rain
some clouds
clear
clear
clear
clear
some clouds
some clouds
some clouds
cloudy
some clouds
cloudy
some clouds
some clouds
light rain
clear
clear
clear
clear
some clouds
some clouds
clear
clear
clear
 km/h
10
SSW
5
NNE
20
NE
15
E
15
ESE
15
E
20
E
35
ENE
10
WNW
15
WNW
10
ENE
25
ENE
25
E
30
E
45
NE
65
NNE
60
N
35
NW
30
NW
20
W
15
WNW
15
S
30
S
35
SW
25
SW
25
W
30
WNW
20
NW
15
W
25
SW
30
SSW
30
SSW
30
SSW
25
SW
25
SSW
25
SSW
40
SSW
35
SW
35
WNW
30
W
15
W
15
S
30
SSW
30
SSW
20
W
25
NNW
5
WNW
 mm 
1
1
2
7
5
4
2
max°C
3
3
3
2
2
2
3
3
2
5
4
-1
1
2
0
0
-1
0
2
3
-2
3
6
6
6
6
0
-1
3
3
5
6
9
10
11
10
11
10
6
6
7
5
7
9
9
1
2
Moonrise
7:14
7:36
7:58
8:23
8:51
9:25
10:08
11:02
12:07
1:20
2:36
3:50
5:02
6:11
7:17
8:23
Moonset
6:59
8:09
9:21
10:35
11:51
1:07
2:20
3:24
4:17
4:59
5:33
6:00
6:23
6:44
7:05
Sunrise
6:39
6:39
6:37
6:35
6:35
6:33
6:31
6:30
6:28
6:26
6:26
6:24
6:22
6:20
6:18
6:18
Sunset
5:28
5:30
5:30
5:31
5:32
5:34
5:36
5:37
5:37
5:38
5:39
5:40
5:42
5:44
5:45
5:45
Today's sea temperature in Riverhead is
-0.2° C
(Statistics for 18 Feb 1981-2005 – mean: 4.3 max: 6.2 min: 2.9°C)
Issued (local time): 12 pm Wednesday 18 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest