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 04:30 PM.

Days 1–4 Weather Summary

A moderate fall of snow, heaviest on Fri night. Icy conditions (max 6°C on Thu afternoon, min -5°C on Thu night). Winds decreasing (fresh winds from the N on Thu afternoon, light winds from the ENE by Fri morning).

Days 5–7 Weather Summary

Moderate rain (total 13mm), heaviest on Sun night. Icy conditions (max 11°C on Mon morning, min -1°C on Mon night). Winds increasing (light winds from the WSW on Sun afternoon, near gales from the W by Mon night).

Days 8–10 Weather Summary

Mostly dry. Freeze-thaw conditions (max 4°C on Fri night, min -5°C on Wed night). Mainly fresh winds.

Days 11–13 Weather Summary

Some drizzle, heaviest during Mon night. Freeze-thaw conditions (max 6°C on Mon afternoon, min -5°C on Sat night). Wind will be generally light.

Thu
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tue
6
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
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
10:10PM0.21m
10:28AM0.26m
11:03PM0.22m
11:18AM0.25m
11:56PM0.21m
12:09PM0.24m
Low Tide
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
4:54PM-0.04m
4:53AM-0.03m
5:44PM-0.05m
5:45AM-0.03m
6:30PM-0.05m
6:34AM-0.02m
Wave
height (m) 
direction
period (s) 
1.3
SW
5
1.2
N
4
0.7
ESE
11
0.5
E
11
0.9
ESE
4
1.6
E
6
1.1
E
6
0.8
ESE
11
0.5
E
11
0.6
ESE
12
1.4
SSW
5
1.9
SSW
7
2.1
S
8
3
SW
7
2.2
W
6
2
W
6
1.8
WSW
6
1.9
SW
6
1.8
SW
6
1.1
SSW
6
1.1
WNW
4
0.9
W
4
0.9
WSW
4
1.2
SW
5
1.3
SSW
6
1.4
W
5
0.7
SSW
6
0.5
S
6
0.3
SSE
7
0.3
S
6
0.2
SSE
7
0.6
SW
3
0.7
SW
4
0.7
SSW
4
0.4
SE
9
0.3
SE
9
clear
part cloud
part cloud
light snow
mod snow
part cloud
clear
clear
part cloud
cloud
heavy rain
cloud
rain showers
part cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
light rain
cloud
clear
some clouds
some clouds
light snow
mod snow
some clouds
clear
clear
some clouds
cloudy
heavy rain
cloudy
rain shwrs
some clouds
cloudy
some clouds
some clouds
cloudy
some clouds
some clouds
clear
some clouds
some clouds
some clouds
cloudy
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
light rain
cloudy
 km/h
30
NNW
30
N
15
NNE
10
SE
25
ESE
30
NE
15
N
15
NW
10
WNW
15
WSW
25
SSW
25
SW
40
W
50
W
40
WNW
40
WNW
35
W
35
W
30
W
25
NW
25
WNW
25
WNW
25
W
25
WSW
20
W
30
NW
25
NW
15
NW
10
WNW
10
NW
10
WSW
20
SW
20
SW
15
WSW
10
NW
10
NNW
 mm 
12
1
1
max°C
6
-3
-4
-2
1
-2
-1
-2
-1
3
7
11
9
3
-1
-1
0
1
2
-1
-3
-2
0
3
3
4
-3
-2
-3
-3
-1
4
4
6
6
2
Moonrise
11:07
11:29
11:53
12:20
12:53
1:35
2:29
3:36
4:52
6:11
7:27
Moonset
10:13
11:20
12:30
1:43
3:00
4:19
5:38
6:49
7:48
8:34
9:09
9:37
Sunrise
7:15
7:15
7:16
7:16
7:16
7:16
7:16
7:16
7:16
7:16
7:16
7:16
Sunset
4:30
4:31
4:31
4:32
4:34
4:35
4:35
4:36
4:37
4:37
4:38
4:39
Today's sea temperature in Oak Beach, Great South Bay is
6.7° C
(Statistics for 25 Dec 1981-2005 – mean: 7.9 max: 10.3 min: 5.7°C)
Issued (local time): 6 pm Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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