Oak Beach, Great South Bay Sea Conditions and Tide Table

Oak Beach, Great South Bay 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 04:29 PM.

Days 1–4 Weather Summary

Light rain (total 8mm), mostly falling on Tue morning. Icy conditions (max 7°C on Tue night, min -1°C on Wed night). Winds decreasing (strong winds from the NW on Tue night, calm by Wed night).

Days 5–7 Weather Summary

A moderate fall of snow, heaviest on Fri night. Turning milder with heavy rain (total 21mm), heaviest during Sat night. Icy conditions (max 8°C on Sat night, min -5°C on Thu night). Winds increasing (light winds from the NE on Fri morning, fresh winds from the WNW by Sun morning).

Days 8–10 Weather Summary

Mostly dry. Freeze-thaw conditions (max 6°C on Sun afternoon, min -5°C on Mon afternoon). Winds decreasing (strong winds from the W on Mon morning, moderate winds from the WSW by Wed morning).

Days 11–13 Weather Summary

Some drizzle, heaviest during Thu night. Freeze-thaw conditions (max 4°C on Thu night, min -8°C on Sat morning). Winds increasing (light winds from the WNW on Wed night, strong winds from the NW by Thu night).

Mon
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Sat
3
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
11:43PM0.17m
11:46AM0.22m
00:26AM0.17m
12:29PM0.21m
1:12AM0.18m
1:18PM0.21m
2:02AM0.18m
2:10PM0.20m
2:52AM0.20m
3:05PM0.20m
3:45AM0.21m
4:02PM0.19m
4:41AM0.22m
5:05PM0.19m
5:43AM0.23m
6:13PM0.19m
6:47AM0.24m
7:20PM0.19m
7:49AM0.25m
8:22PM0.20m
8:45AM0.26m
9:18PM0.21m
9:38AM0.27m
Low Tide
6:30PM-0.01m
6:20AM0.02m
7:06PM-0.00m
7:42PM-0.00m
7:38AM0.02m
8:20PM0.00m
8:27AM0.03m
9:06PM0.00m
9:33AM0.03m
10:02PM0.00m
10:53AM0.03m
11:05PM-0.00m
12:06PM0.02m
00:07AM-0.01m
1:09PM0.00m
1:05AM-0.02m
2:08PM-0.01m
2:03AM-0.02m
3:06PM-0.02m
3:01AM-0.03m
4:01PM-0.04m
3:58AM-0.03m
Wave
height (m) 
direction
period (s) 
0.6
SE
10
0.9
WSW
4
1
SSW
4
1.2
SSW
5
1.3
WSW
4
1.5
WNW
5
1.1
NW
4
0.4
SSW
7
0.8
E
9
1.3
S
6
1
ESE
10
0.9
ESE
11
0.6
ESE
11
1.1
E
4
1.6
E
6
1.3
ESE
6
1.1
ESE
6
1.4
SE
6
1.6
S
6
2.1
WSW
6
2.4
WSW
6
1.9
W
6
1.5
WNW
5
1.4
WNW
5
1.5
WNW
5
1.4
WNW
5
0.9
W
4
1.3
SW
5
1.2
SSW
6
1
SW
5
1.1
WSW
4
2.1
SW
6
1.6
WNW
5
1.6
WNW
5
0.8
W
4
0.9
WNW
4
cloud
part cloud
light rain
light rain
part cloud
clear
clear
part cloud
part cloud
cloud
part cloud
part cloud
mod snow
mod snow
cloud
cloud
heavy rain
rain showers
part cloud
part cloud
cloud
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
part cloud
clear
cloud
rain showers
clear
part cloud
part cloud
part cloud
cloudy
some clouds
light rain
light rain
some clouds
clear
clear
some clouds
some clouds
cloudy
some clouds
some clouds
mod snow
mod snow
cloudy
cloudy
heavy rain
rain shwrs
some clouds
some clouds
cloudy
clear
clear
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
clear
cloudy
rain shwrs
clear
some clouds
some clouds
some clouds
 km/h
20
W
20
W
25
SSW
20
WSW
25
W
40
NW
25
NNW
10
NNW
25
WSW
25
W
25
N
20
NNE
10
E
25
E
25
ENE
15
ENE
20
SE
25
WSW
30
W
40
W
45
W
45
WNW
35
NW
35
WNW
40
WNW
35
WNW
20
WSW
30
WSW
20
WNW
25
WNW
25
WSW
40
W
40
NW
35
WNW
25
WNW
30
WNW
 mm 
5
3
15
6
1
max°C
3
3
4
4
7
4
3
2
3
4
3
-4
-3
-1
0
2
8
6
6
2
-1
-2
-4
-1
-1
-2
0
2
2
2
2
4
-5
-4
-4
-6
Moonrise
9:55
10:22
10:45
11:07
11:29
11:53
12:20
12:53
1:35
2:29
3:36
Moonset
6:52
7:59
9:06
10:13
11:20
12:30
1:43
3:00
4:19
5:38
6:49
7:48
Sunrise
7:13
7:13
7:15
7:15
7:15
7:16
7:16
7:16
7:16
7:16
7:16
7:16
Sunset
4:29
4:30
4:30
4:30
4:31
4:31
4:32
4:34
4:35
4:35
4:36
4:37
Today's sea temperature in Oak Beach, Great South Bay is
6.7° C
(Statistics for 22 Dec 1981-2005 – mean: 8.2 max: 10.3 min: 6.2°C)
Issued (local time): 6 pm Monday 22 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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