Road K Surf Break

Lat Long: 40.83° N 72.51° W

Road K Surf Forecast and Surf Report

Issued: 7 am 27 Aug 2026 (local time)

Forecast update in  hr  min

Today's Road K sea temperature is
21.8°C
0.3° 

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 27 Aug 2026:

  • Best quality surf: Friday 28 Aug, 8PM (local time) - 2ft (0.6m), 8s period, SE swell with glassy winds.
  • Most powerful swell: Friday 28 Aug, 2AM (local time) - 3.5ft (1.1m), 9s period, SE swell with 170 kJ wave energy.
  • Next surfable swell (1★+): Friday 28 Aug, 8PM (local time) - 2ft (0.6m), 8s period with SE 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 Friday (Aug 28) at 8PM. The primary swell is predicted to be 0.6m and 8s period with a secondary swell of 0.6m and 6s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Road K in the next 16 days are 1.1m 9s and forecast to arrive on Friday (Aug 28) at 2AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 4s period and expected on Saturday (Aug 29) at 2PM.

Wave TypeTime (EDT) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Fri 28th Aug)2ft (0.6m) 8s
Best Surf 8PM (Fri 28th Aug)2ft (0.6m) 8s
Most Powerful 2AM (Fri 28th Aug)3.5ft (1.1m) 9s

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


The Lowdown

Alright, Rusty here. Let's have a look at what Road K has in store for us.

Well, I gotta be straight with you—it’s a grim stretch ahead for Road K. We’re looking at a real dry spell that’s gonna last a good long while. There’s basically nothing worth paddling out for from the start of the forecast right through to the 3rd of September. It’s a solid week of tiny, weak, and often messy surf. We’re talkin’ ankle-snappers with mostly cross or onshore winds and poor conditions every day. Not a single window of decent surf in that whole first week.

The first real glimmer of hope comes on the morning of Friday the 4th of September. We get a tiny bump to a 2ft swell from the east, with a period of 7 seconds. The wind is light from the northeast and offshore, so things will look clean. They’re callin’ it surfable but very ordinary, and with a combined swell energy of only 75 (weak), it’s not gonna set the world on fire. This is one of the very few windows worth even a look.

Then on Saturday the 5th of September, things get a little interesting, but it’s a strange one. The morning is still small, just 3ft from the east, with a fresh 30 km/h northeast cross-offshore wind keeping it clean. But then the afternoon shows a jump to a 6ft east swell. That’s a solid size, though the period is a short 7 seconds. The northeast wind stays strong at 30 km/h, but it’s still cross-offshore, so it’ll be clean. The combined swell energy hits 327 (moderate). This is the pick of the whole forecast. For a sandbar at that size with a short period, expect some punchy, crumbly waves. It ain’t gonna be pretty, but it’ll be our best shot. Keep in mind, a 6ft swell is getting too big for most beginners.

After Saturday, it fades back into nothingness. The rest of the second week is more tiny, weak, and mostly onshore junk. A small spike in swell on the 9th is ruined by onshore winds from the south. Road K is a very consistent spot, so this kind of prolonged flat spell is unusual, but we’re in it right now. The water temp is 71°, which is about average for this time of year.

So, if you’re keen, pencil in the morning of Friday the 4th for a small, clean session, but the real standout is the afternoon of Saturday the 5th of September – a rare bit of size and decent wind for a bigger wave. Don’t expect much else.

Rusty.

Short Range Forecast

Light rain (total 3mm), mostly falling on Fri afternoon. Warm (max 25°C on Fri afternoon, min 19°C on Sat morning). Wind will be generally light.

Days 4-6 Weather Summary

Moderate rain (total 12mm), heaviest on Tue morning. Warm (max 25°C on Mon afternoon, min 19°C on Tue night). Winds increasing (light winds from the WSW on Sun morning, fresh winds from the E by Tue night).

Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
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
Wave
Height (m)
Direction
Period (s)
0.7
SE
9
0.7
SE
9
1.1
SE
9
0.7
SE
8
0.7
SE
8
0.6
SE
8
0.6
SE
8
0.5
SE
8
0.5
SE
8
0.5
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
7
0.4
SE
7
0.4
SE
7
0.4
SE
7
0.4
SE
9
0.6
SE
11
0.6
SE
10
0.6
SE
10
Wave Graph
Metric surfscale
Energy kJ
75
77
170
70
69
50
40
30
33
34
25
17
22
18
17
14
11
31
75
68
59
Wind (km/h)
20
S
25
S
15
SSW
10
SSW
15
SSW
25
NNE
15
NE
10
SE
5
SW
15
SW
25
SSW
30
WSW
20
WSW
10
WSW
10
W
10
NW
30
ENE
20
E
15
E
10
ENE
20
SSW
Wind State
cross-on
on
cross-on
cross-on
cross-on
cross-off
cross-off
cross-on
glassy
cross
cross-on
cross
cross
cross
cross-off
off
cross
cross-on
cross-on
cross
cross-on
High Tide
7:58PM1.10m
8:20AM1.02m
8:38PM1.10m
9:00AM1.07m
9:18PM1.09m
9:41AM1.10m
9:59PM1.07m
10:23AM1.12m
10:42PM1.02m
11:08AM1.12m
11:28PM0.97m
11:57AM1.10m
00:19AM0.91m
Low Tide
1:09PM0.11m
1:42AM0.08m
1:51PM0.06m
2:17AM0.03m
2:33PM0.03m
2:54AM0.00m
3:15PM0.02m
3:32AM-0.01m
3:59PM0.02m
4:13AM-0.00m
4:46PM0.05m
4:58AM0.02m
5:38PM0.10m
clear
clear
part cloud
part cloud
thunderstorm
thunderstorm
part cloud
clear
clear
part cloud
part cloud
rain showers
cloud
cloud
rain showers
rain showers
cloud
light rain
light rain
light rain
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
6:11
6:13
6:13
6:15
6:16
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:30
7:29
7:27
7:25
7:23
7:22
7:21
 mm
2
1
1
1
6
4
3
1
10
Temp °C
24
24
24
24
25
25
20
21
21
22
24
24
24
25
25
22
22
20
20
21
22
Feels °C
23
22
26
26
26
28
19
21
20
22
23
22
24
25
26
23
23
17
20
22
23
  • 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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