Surf Forecasts:
Road K surf forecast from 29 Jul 2026:
- Best quality surf: Wednesday 29 Jul, 5PM (local time) - 4.5ft (1.3m), 6s period, SSE swell with glassy winds.
- Most powerful swell: Thursday 30 Jul, 11AM (local time) - 3.5ft (1.1m), 9s period, SSE swell with 189 kJ wave energy.
- Next surfable swell (1★+): Wednesday 29 Jul, 5PM (local time) - 4.5ft (1.3m), 6s period with SSE 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 29) at 5PM. The primary swell is predicted to be 1.3m and 6s period with a secondary swell of 0.1m and 8s. 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 Thursday (Jul 30) at 11AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 5s period and expected on Friday (Jul 31) at 5AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5PM (Wed 29th Jul) | 4.5ft (1.3m) 6s |
| Best Surf | 5PM (Wed 29th Jul) | 4.5ft (1.3m) 6s |
| Most Powerful | 11AM (Thu 30th Jul) | 3.5ft (1.1m) 9s |
Table - best surf conditions forecast for Road K over the next 16 days.
The Lowdown
Alright, Rusty here again, but now we’re talking in feet, miles per hour, and Fahrenheit for you imperial heads.
Right, Road K is looking like a scrappy little run. The first wave that breaks is on Wednesday, July 29. Swell energy is at a weak 134, pushing in 4ft of SSE groundswell at a short period. Water temp is about 71°F, which is dead average for the season. The one saving grace is the glassy conditions – dead calm. You’ll find something to ride, but it’s more about getting wet than getting barreled.
Thursday the 30th, the energy jumps to 202, with 4ft of swell on a longer 9-second period. The morning starts with a clean cross-off breeze from the NNE at 15 mph, but by the afternoon that offshore wind cranks up to 18 mph from the north. The surface might look clean, but the *wave comment* says poor, so don't expect much shape.
Friday the 31st of July, the swell gets small again. 2ft from the SSE (102 energy), but with a glassy morning and a light offshore breeze from the NW at 3 mph, it’s a clean little knee-slapper for a longboard.
After that, honestly, it’s a pretty average forecast. You’ll see a pulse of swell around Monday, August 4 (4ft, S swell, 117 energy) with a nice clean NW offshore breeze at 3 mph in the morning. Then another clean morning comes on Saturday, August 9 (4ft S swell, 199 energy). But every afternoon turns into a chop-fest with onshore winds.
My pick for the whole outlook is the morning of Tuesday, August 4. You get that clean 4ft of swell, a steady offshore NNW breeze, and the surface should be smooth. It's the most user-friendly window for Road K.
There are no big swells or epic conditions in the cards. It’s a small-swell, pick-your-clean-window kind of period. Be ready to pounce on those glassy mornings.
-Rusty
Short Range ForecastModerate rain (total 15mm), heaviest on Wed night. Warm (max 23°C on Wed afternoon, min 19°C on Thu afternoon). Winds increasing (calm on Wed afternoon, fresh winds from the N by Thu afternoon). | Days 5-7 Weather SummaryModerate rain (total 12mm), heaviest on Mon afternoon. Warm (max 25°C on Mon night, min 21°C on Mon night). Winds decreasing (fresh winds from the SW on Mon morning, light winds from the NNW by Tue morning). | |||||||||||||||||||
Wed 29 | Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SSE 6 | SSE 7 | SSE 9 | SSE 8 | SSE 8 | SSE 9 | SSE 8 | S 8 | S 9 | S 8 | S 7 | S 7 | S 7 | S 6 | S 6 | S 6 | S 7 | S 7 | S 7 | S 7 |
Wave Graph  | ||||||||||||||||||||
 kJ | 132 | 153 | 189 | 140 | 83 | 56 | 87 | 76 | 117 | 100 | 39 | 54 | 127 | 125 | 178 | 116 | 176 | 117 | 77 | 44 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross-off | off | off | off | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-off | off | off | cross-on | cross-on |
High Tide | 8:25PM1.09m | 8:51AM0.92m | 9:06PM1.09m | 9:31AM0.95m | 9:46PM1.08m | 10:12AM0.98m | 10:26PM1.05m | 10:53AM1.01m | 11:07PM1.01m | 11:36AM1.02m | 11:51PM0.96m | 12:23PM1.03m | 00:40AM0.91m | |||||||
Low Tide | 2:14AM0.09m | 2:11PM0.09m | 2:48AM0.06m | 2:53PM0.07m | 3:24AM0.03m | 3:35PM0.06m | 4:01AM0.02m | 4:19PM0.07m | 4:42AM0.02m | 5:06PM0.09m | 5:26AM0.03m | 5:58PM0.12m | ||||||||
 |  |  |  |  |  | |  |  |  |  | | |  | |  | | | | | |
 | — | — | 5:43 | — | — | 5:45 | — | — | 5:46 | — | — | 5:46 | — | — | 5:47 | — | — | 5:48 | — | — |
 | 8:08 | — | — | 8:07 | — | — | 8:07 | — | — | 8:06 | — | — | 8:05 | — | — | 8:04 | — | — | 8:01 | — |
mm | 2 | 8 | 4 | — | — | — | — | — | 1 | — | — | — | — | 2 | 4 | 6 | — | — | — | — |
Temp °C | 23 | 22 | 20 | 19 | 19 | 21 | 23 | 23 | 23 | 24 | 23 | 23 | 24 | 24 | 23 | 24 | 25 | 22 | 24 | 24 |
Feels °C | 24 | 24 | 21 | 16 | 16 | 22 | 22 | 23 | 23 | 24 | 22 | 23 | 24 | 23 | 23 | 24 | 25 | 22 | 23 | 21 |
Swell 1 Height (m) Direction Period (s) | SSE 6 | SSE 7 | SSE 9 | SSE 8 | SSE 8 | S 8 | SSE 8 | S 8 | S 9 | SE 9 | S 7 | S 7 | SE 9 | SE 9 | — | S 6 | S 7 | S 7 | S 7 | S 7 |
| kJ | 132 | 153 | 189 | 140 | 83 | 40 | 87 | 76 | 117 | 3 | 39 | 54 | 3 | 3 | — | 116 | 176 | 117 | 77 | 44 |
Swell 2 Height (m) Direction Period (s) | E 8 | ENE 6 | E 5 | E 5 | NE 5 | SSE 9 | E 6 | SE 9 | SE 9 | E 6 | SSE 10 | SE 9 | E 5 | — | — | — | — | — | SE 8 | SE 8 |
| kJ | 1 | 7 | 9 | 5 | 14 | 56 | 3 | 3 | 3 | 1 | 32 | 3 | 1 | — | — | — | — | — | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | E 8 | — | S 8 | — | — | ENE 6 | — | E 6 | E 6 | E 6 | SE 8 | ESE 9 | — | — | — | — | — | — | — | — |
| kJ | 1 | — | 4 | — | — | 6 | — | 1 | 1 | 1 | 11 | 7 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | NNE 3 | — | — | — | SW 3 | SW 4 | S 8 | S 4 | SSW 4 | S 7 | S 6 | S 6 | — | — | — | — | SSW 4 |
| kJ | — | — | — | 8 | — | — | — | 2 | 4 | 100 | 13 | 6 | 127 | 125 | 178 | — | — | — | — | 9 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 0 | 71 | 71 | 0 | 0 | 84 | 59 | 59 | 851 | 59 | 851 | 1417 | 84 | 134 | 61 | 0 | 0 | 59 | 55 |
Best forecast wave conditions in Long Island New York | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
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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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