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Surf Forecasts:

Road K surfForecast / Long Island NY / USA

information circle12 Day Weather and Surf, issued 6 pm Sunday 11 Jan 2026 EST
Forecast update in hr  min  s Forecast update imminent
Road K surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Road K sea temperature is
3.9° C
 (Which is 2.9°C colder than average for this time of year)
Nearby Cam: 1km away, Hamptons.com - LIVE SURF CAM! Ponquogue Beach Pavilion, Hampton Bays, New York

Best Forecast Surf Conditions for Road K this week:

The surf forecast for Road K over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jan 15) at 1AM. The primary swell is predicted to be 1.2m and 7s period with a secondary swell of 0.1m and 9s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Road K in the next 12 days are 1.8m 10s and forecast to arrive on Friday (Jan 16) at 7PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 5s period and expected on Friday (Jan 16) at 10AM.

Wave TypeTime (EST) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Thu 15th Jan)4ft (1.2m) 7s
Best Surf 7AM (Sat 17th Jan)3.5ft (1.0m) 7s
Most Powerful 7PM (Fri 16th Jan)6ft (1.8m) 10s

Table - best surf conditions forecast for Road K over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Mostly dry. Icy conditions (max 7°C on Tue night, min -1°C on Sun night). Winds decreasing (near gales from the WNW on Sun night, moderate winds from the WSW by Tue morning).

Days 3-6 Weather Summary Mild with light rain (total 2mm) on Thu night Becoming colder with a light covering of snow, mostly falling on Thu night. Icy conditions (max 7°C on Wed night, min -3°C on Fri night). Winds increasing (calm on Wed night, strong winds from the NE by Thu night).

Sun
11
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
1
0
1
0
0
1
1
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.6
S
0.9
S
0.5
S
1.2
SW
1.4
SW
0.9
SW
1
SW
1.7
SSW
1.8
SSW
1.4
SSW
1.2
S
1.2
S
1.3
S
0.7
SSE
1.1
S
1.7
S
1.4
S
1.1
SW
0.5
S
0.9
SSW
1.2
S
Period(s) (?)8885665677787889116967
Wave
Graph
(?)Metric surfscale
Energy kJ (?)3541043582161585321533016813118618167141465442823964152
Wind
(km/h)
35
WNW
50
WNW
35
WNW
35
WSW
30
WSW
20
WSW
25
SW
40
SSW
30
SW
20
SSW
5
SW
10
SW
10
SW
45
NE
45
NNW
30
WNW
25
WNW
20
SW
20
S
15
WSW
30
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		crosscrosscrosscross-
on		cross-
on		crosscross-
on		glasscross-
on		cross-
on		cross-
off		offcross-
off		cross-
off		cross-
on		oncrosscross
High Tide
/ height (m)
2:17AM
0.80
2:37PM
0.63
3:12AM
0.81
3:34PM
0.62
4:04AM
0.84
4:27PM
0.63
4:51AM
0.87
5:15PM
0.66
5:35AM
0.91
6:00PM
0.69
6:18AM
0.94
6:43PM
0.73
7:00AM
0.97
Low Tide
/ height (m)
6:58PM
0.07
7:58AM
0.17
7:47PM
0.09
9:06AM
0.17
8:38PM
0.10
10:17AM
0.15
9:31PM
0.09
11:09AM
0.11
10:23PM
0.07
11:47AM
0.06
11:14PM
0.03
12:21PM
0.01
12:00AM
-0.01
12:54PM
-0.04
Sun
11
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunrise--7:13--7:13--7:11--7:11--7:11--7:11--7:11
Sunset4:42--4:43--4:44--4:45--4:45--4:46--4:47--
part cloud
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
cloud
part cloud
clear
part cloud
light snow
light snow
part cloud
clear
cloud
cloud
part cloud
cloud
Rain (mm)
-------------2-------
Temp. °C6225446766766601-22773
Feels °C (?)-3-11-8-5-6-3-1-2-114232-8-8-11-512-5
  • 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

Latest Updates

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FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Road K surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Road K at:
surf-forecast.com

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Information about the Road K Surf forecast

The above surf forecast table for Road K provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Road K can be found by selecting the local surf guide option on the grey menu. Our Road K surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Road K) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Road K may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Road K is 28 km (17 miles) from Mastic. If you plan a vacation in Long Island New York, look for hotels and other accommodation in Mastic. Mastic has rooms for a wide range of budgets as well as car hire and transport links.

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