Road K Surf Break

Lat Long: 40.83° N 72.51° W

Road K Surf Forecast and Surf Report

Issued: 7 pm 12 Jul 2026 (local time)

Forecast update in  hr  min

Today's Road K sea temperature is
20.6° C
0.7° 

Road K surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Road K surf forecast from 13 Jul 2026:

  • Best quality surf: Wednesday 15 Jul, 11AM (local time) - 4.5ft (1.4m), 6s period, SW swell with cross-offshore winds.
  • Most powerful swell: Tuesday 14 Jul, 11PM (local time) - 6ft (1.9m), 6s period, SW swell with 278 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 15 Jul, 11AM (local time) - 4.5ft (1.4m), 6s period with SW swell.

Best Forecast Surf Conditions for Road K this week:

The surf forecast for Road K over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jul 15) at 11AM. The primary swell is predicted to be 1.4m and 6s period with a secondary swell of 1.0m and 6s. Another secondary swell of 0.3m and 9s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Road K in the next 16 days are 1.9m 6s and forecast to arrive on Tuesday (Jul 14) at 11PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Sunday (Jul 19) at 2PM.

Wave TypeTime (EDT) & Date Wave Height & Period
Next good surf (1 star+)11AM (Wed 15th Jul)4.5ft (1.4m) 6s
Best Surf11AM (Wed 15th Jul)4.5ft (1.4m) 6s
Most Powerful11PM (Tue 14th Jul)6ft (1.9m) 6s

Table - best surf conditions forecast for Road K over the next 16 days.


Alright folks, Rusty here. Let’s have a look at what Road K has to offer over the next couple of weeks.

Honestly, I’m looking at the whole 16-day window and it’s a pretty grim run for quality surf at Road K. The pattern is noisy, messy, and the swell just doesn’t line up right with any decent winds. For the first week, the window is pretty much a write-off for anything you’d paddle out for. The water temp is sitting around 69°F, which is about 1°F cooler than usual for this time of year – nothing wild, just a touch of a chill.

We kick off from Sunday 12 July with tiny 0.3m SE swell and a cross-on southerly breeze, the wave energy is a weak 35 combined. That is a big, fat zero for any kind of fun. This flat, messy spell hangs around through Monday and Tuesday. On Tuesday the 14th, the swell bumps up to 1.5m from the SSW, and the combined energy jumps to 155 (moderate), but the wind is howling from the SW at 25 mph creating strong cross-onshore chop. It’s a messy windswell, period only 5 seconds. Not surf quality, that's just messy.

The first chance for something clean arrives on Wednesday morning the 15th. That's your best bet. We get a clean window with a cross-offshore breeze from the west at 9 mph. The swell is a modest 1.2m from the SSW, with a period of 6 seconds, a combined energy of 117 (moderate). The waves are surfable, but conditions are still just ordinary. It’s not a standout, but if you’re desperate for a paddle, that Wednesday morning is the only time the lineup looks semi-shapely.

After that, it’s back into the doldrums. From Thursday the 16th right through to the end of the period, it's tiny, weak swell (0.3m to 0.9m) under cross-shore or cross-onshore winds. Friday the 17th and Saturday the 18th morning see clean conditions and offshore winds, but the swell is only 0.3-0.5m. You’d be riding whitewater.

Then around Monday 21 July and Tuesday 22 July, there's a little bump back up to 2-2.0m SSW swell with a moderate energy reading of 155-335, but the winds are cross-onshore and messy every time. The period stays short (6 seconds) and the conditions are poor. That bigger stuff is just lumpy and uninviting unless you’re on a kite.

Frankly, there is no true standout session in this whole run. If you’ve got a surfboard, save your energy for Wednesday morning the 15th. For the rest, it’s a long, quiet stretch.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 32°C on Wed afternoon, min 22°C on Sun night). Winds decreasing (strong winds from the SW on Tue night, light winds from the WNW by Wed afternoon).

Days 5-7 Weather Summary

Some drizzle, heaviest during Wed night. Warm (max 29°C on Wed night, min 19°C on Fri morning). Winds decreasing (fresh winds from the W on Thu morning, calm by Fri night).

Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sun
19
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
0
0
0
0
0
0
0
2
1
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
SE
10
0.3
SE
10
0.7
S
4
0.9
SSW
4
1.1
SW
5
1.6
SW
6
1.7
SW
7
1.4
SW
6
0.9
SSW
6
0.7
SSW
5
0.9
SSW
6
0.9
SSW
6
0.6
S
6
0.4
SSW
5
0.4
S
5
0.4
S
6
0.6
SSW
5
1.1
S
5
1.5
S
6
1.2
S
6
1
S
7
Wave Graph
Metric surfscale
Energy kJ
15
14
14
34
49
148
261
146
51
30
53
49
23
10
8
10
20
56
165
109
91
Wind (km/h)
15
SSW
15
SSW
30
SSW
30
SW
30
SW
40
SW
40
WSW
15
WNW
10
WNW
20
WSW
35
W
25
SW
25
N
30
NW
10
SSW
5
NW
5
WNW
20
SSW
25
SSW
30
WSW
30
SW
Wind State
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross
cross-off
cross-off
cross
cross-off
cross-on
off
off
cross-on
glassy
glassy
cross-on
cross-on
cross
cross-on
High Tide
7:04AM0.96m
7:29PM1.26m
7:59AM1.00m
8:22PM1.27m
8:52AM1.04m
9:14PM1.25m
9:45AM1.06m
10:04PM1.21m
10:36AM1.06m
10:54PM1.15m
11:26AM1.05m
11:43PM1.07m
12:15PM1.03m
Low Tide
00:41AM0.02m
12:33PM-0.01m
1:38AM-0.02m
1:32PM-0.03m
2:29AM-0.05m
2:26PM-0.03m
3:16AM-0.06m
3:18PM-0.01m
4:01AM-0.04m
4:09PM0.03m
4:45AM-0.01m
4:59PM0.08m
5:28AM0.04m
5:51PM0.15m
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
light rain
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
rain showers
rain showers
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:28
5:30
5:31
5:31
5:31
5:33
5:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:22
8:21
8:21
8:20
8:19
8:19
8:17
8:16
 mm
1
1
1
Temp °C
22
23
23
22
23
25
26
29
32
29
24
25
27
20
24
24
21
23
25
23
25
Feels °C
20
21
20
17
19
21
25
30
33
27
21
22
22
14
22
21
21
21
25
23
24
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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 16 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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