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Surf Forecasts:

Road K surfForecast / Long Island NY / USA

information circle12 Day Weather and Surf, issued 6 am Sunday 23 Nov 2025 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
12.1° C
 (Which is slightly warmer than usual)

Best Forecast Surf Conditions for Road K this week:

The most powerful waves expected at Road K in the next 12 days are 2.0m 7s and forecast to arrive on Friday (Nov 28) at 10AM. 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 7s period and expected on Friday (Nov 28) at 10PM.

Wave TypeTime (EST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful10AM (Fri 28th Nov)6.5ft (2.0m) 7s

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 Moderate rain (total 12mm), heaviest on Tue night. Very mild (max 14°C on Tue night, min 6°C on Sun morning). Winds increasing (calm on Mon night, strong winds from the S by Tue night).

Days 3-6 Weather Summary Mostly dry. Very mild (max 14°C on Wed morning, min 1°C on Fri night). Winds increasing (light winds from the SSW on Wed afternoon, near gales from the W by Fri morning).

Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.5
S
0.4
SSW
0.4
SSW
0.3
WSW
0.3
ESE
0.3
ESE
0.7
SSW
1.1
SSW
1.6
S
1.2
SSW
1.2
S
1.6
SSW
1.5
SW
1.8
SW
1.8
SW
2
SW
1.8
WSW
1.5
W
0.4
WSW
0.2
WSW
0.1
E
Period(s) (?)7765994567777777876511
Wave
Graph
(?)Metric surfscale
Energy kJ (?)23151251716145917513113823724230933142935301422
Wind
(km/h)
15
SW
30
WSW
35
WNW
30
NW
20
NW
15
SW
25
SSW
30
S
35
SW
20
SW
20
SSW
45
WNW
40
W
40
W
45
W
55
W
55
WNW
45
WNW
35
NW
25
NW
10
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
off		offoffcrosscross-
on		oncrosscrosscross-
on		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offoffcross-
off
High Tide
/ height (m)
9:36PM
0.75
9:49AM
0.95
10:21PM
0.74
10:33AM
0.91
11:09PM
0.73
11:22AM
0.88
12:02AM
0.75
12:16PM
0.84
12:59AM
0.78
1:15PM
0.83
1:57AM
0.84
2:15PM
0.83
2:54AM
0.93
Low Tide
/ height (m)
2:47PM
0.04
2:43AM
0.07
3:29PM
0.05
3:28AM
0.09
4:14PM
0.06
4:19AM
0.12
5:03PM
0.06
5:16AM
0.13
5:56PM
0.06
6:17AM
0.13
6:51PM
0.04
7:21AM
0.11
7:46PM
0.00
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunrise6:45--6:47--6:48--6:48--6:50--6:50--6:52--
Sunset-4:25--4:24--4:24--4:23--4:23--4:23--4:22-
part cloud
part cloud
clear
clear
clear
part cloud
cloud
light rain
mod rain
part cloud
cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
cloud
Rain (mm)
-------210------------
Temp. °C81087810111114141413664453345
Feels °C (?)22-102555911118-4-5-8-9-8-9-6-40
  • 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

Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.
Ben Mondy

Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.

Feel that? If you are in the northern hemisphere, you will have had that first bite of winter. The lick of a frost, the chill of a cold offshore breeze and the sound of winter swells pounding the shores. If you are near the mountains, your favourite jackets, gloves, and footwear might get dusted off and prepped for battle. And in that beautiful Venn diagram, you will find PrimaLoft. They have spent over 40 years developing innovative insulations that have powered your warmest winter gear. In t

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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

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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