Democrat Point Robert Moses surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 7 am Thursday 21 May 2026 EDT
Forecast update in hr  min  s Forecast update imminent
Democrat Point Robert Moses surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Democrat Point Robert Moses sea temperature is
12.8° C
(Which is slightly warmer than usual)

How big are the waves at Democrat Point Robert Moses today?

The current surf forecast for Democrat Point Robert Moses at 2PM is: 0.4m 9s primary swell from a Southeast direction and 0.6m 6s secondary swell from a South direction (forecast issued at 07:00am May 21). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (21 May)2.5ft (0.7m)6s
Afternoon (21 May)1.5ft (0.4m)9s
Evening (21 May)1.5ft (0.4m)9s

Table - waves today at Democrat Point Robert Moses. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 22mm), heaviest during Sat night. Very mild (max 16°C on Thu morning, min 7°C on Sat afternoon). Winds increasing (light winds from the SE on Thu night, strong winds from the E by Sat night).

Thursday
21
Friday
22
Saturday
23
Sun
24
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
Rating
(10 max)
1
1
1
0
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.8
S
6
0.7
S
6
0.7
S
6
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
8
0.4
SE
9
0.4
SE
9
0.4
SE
9
1.2
ESE
5
1.3
ESE
6
1.3
ESE
6
1.3
ESE
6
1.3
ESE
6
1.3
ESE
6
1.3
ESE
7
1.3
ESE
7
1.4
ESE
6
1.7
ESE
7
2.1
ESE
7
2.5
ESE
8
2.5
ESE
8
Wave Graph
Metric surfscale
Energy kJ
48
37
37
28
28
27
27
25
27
27
31
73
108
131
131
118
126
149
144
170
234
396
693
853
Wind (km/h)
15
N
20
NNE
20
NNE
20
NNE
10
ENE
10
SE
10
SE
10
ENE
15
E
20
ENE
25
ENE
25
E
25
E
20
ESE
20
E
20
E
20
ENE
25
E
25
E
25
E
30
E
35
E
35
E
35
E
off
off
off
cross-off
cross-off
cross-on
cross-on
cross-off
cross
cross-off
cross-off
cross
cross
cross
cross
cross
cross-off
cross
cross
cross
cross
cross
cross
cross
High Tide
12:06PM1.29m
00:17AM1.45m
1:05PM1.29m
1:16AM1.37m
2:02PM1.30m
Low Tide
5:45AM-0.04m
5:49PM0.13m
6:44AM0.02m
6:55PM0.20m
7:46AM0.06m
8:05PM0.24m
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:31
5:30
5:30
5:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:07
8:08
8:09
8:10
1
1
2
2
3
3
2
Temp °C
17
16
16
14
13
13
13
13
13
13
13
14
13
12
12
11
11
10
9
7
7
8
9
10
13
11
12
10
11
11
11
11
10
9
8
8
8
7
7
7
6
4
3
1
0
1
2
3
Swell 1
Height (m)
Direction
Period (s)
0.8
S
6
0.7
S
6
0.7
S
6
0.6
S
6
0.6
S
6
0.5
S
6
0.6
E
5
0.4
S
6
0.4
SE
9
0.4
SE
9
0.4
SSE
6
0.3
SE
9
0.2
ESE
10
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
Energy kJ
48
37
37
27
27
18
20
11
26
27
12
14
10
7
7
7
7
7
7
7
7
Swell 2
Height (m)
Direction
Period (s)
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.5
E
5
0.5
S
6
0.4
SE
8
0.4
S
6
0.4
SSE
6
0.4
SE
9
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
10
Energy kJ
29
29
29
28
28
11
18
25
11
12
28
7
7
7
7
7
4
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
15
0.1
SE
14
0.1
SE
15
0.1
SE
15
0.1
SE
14
0.4
SE
9
0.4
SE
9
0.1
SE
14
0.1
SE
14
0.1
SE
14
0.1
SE
13
Energy kJ
8
8
8
8
8
27
27
8
7
7
7
Wind waves
Height (m)
Direction
Period (s)
0.3
NNW
2
0.3
NNE
3
0.4
NE
3
0.6
ENE
4
0.5
ENE
4
0.6
E
5
0.7
E
5
0.7
E
4
0.9
E
4
1.2
ESE
5
1.3
ESE
6
1.3
ESE
6
1.3
ESE
6
1.3
ESE
6
1.3
ESE
6
1.3
ESE
7
1.3
ESE
7
1.4
ESE
6
1.7
ESE
7
2.1
ESE
7
2.5
ESE
8
2.5
ESE
8
Energy kJ
1
1
3
9
10
21
27
19
31
73
108
131
131
118
126
149
144
170
234
396
693
853
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
2
2
1
1
1
1
Distance (km)
0
0
0
2
0
796
520
0
544
544
543
549
559
573
588
588
455
544
595
588
455
455
455
472
Best forecast wave conditions in Long Island New York
Rating
(10 max)
1
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
1
2
2
1
1
2
2
2
2
2
2
1
1
1
1
2
2
2
2
2
1
1
1
2
Header Global
Rating
(10 max)
5
5
5
5
5
5
5
7
7
7
6
6
7
8
6
7
8
8
7
7
6
6
5
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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