Surf Forecasts:
Road K surf forecast from 23 Jul 2026:
- Best quality surf: Saturday 25 Jul, 11PM (local time) - 4ft (1.2m), 7s period, E swell with cross-offshore winds.
- Most powerful swell: Thursday 23 Jul, 2AM (local time) - 5ft (1.5m), 8s period, S swell with 304 kJ wave energy.
- Next surfable swell (1★+): Thursday 23 Jul, 11AM (local time) - 4ft (1.2m), 8s period with S 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 Thursday (Jul 23) at 11AM. The primary swell is predicted to be 1.2m and 8s period. 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 1.5m 8s and forecast to arrive on Thursday (Jul 23) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 4s period and expected on Thursday (Jul 23) at 2PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Thu 23rd Jul) | 4ft (1.2m) 8s |
| Best Surf | 11PM (Sat 25th Jul) | 4ft (1.2m) 7s |
| Most Powerful | 2AM (Thu 23rd Jul) | 5ft (1.5m) 8s |
Table - best surf conditions forecast for Road K over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s break down the surf at Road K.
First thing, the water temperature is about normal for this time of year. The start of the forecast is a bit of a dud. Thursday the 23rd morning has a little 1.2m south swell with a short 8-second period and cross-off wind, but it’s just ordinary. The energy is weak (182). Not worth getting excited.
The weekend is a total loss. From Friday the 24th through Sunday the 26th, it’s all poor surf with tiny, weak swell and onshore wind. Don’t bother.
Tuesday morning the 28th shows a little life. Clean cross-off wind and 1.1m of south swell with moderate energy (230). The period is still short (7 seconds), but it’s the best we’ve seen.
The real standout is Thursday morning the 30th. Light offshore wind from the west will give you glassy conditions. Swell is 1.2m from the south with a 9-second period, which means better shape. The energy is moderate (243). This is the pick of the forecast. The break is a very consistent sandbar, exposed to the swell, and beginner-friendly, so expect a crowd.
After that, it’s a slow fade. Friday the 31st and Saturday the 1st of August have some surfable moments, but nothing special. The rest of the first week of August is mostly small, weak swell and onshore wind. There’s a clean moment on Tuesday the 4th morning with 1.1m of south swell, but it’s ordinary.
The final days are a real low point. Very small, weak swell and onshore wind. Not a surfer’s paradise.
So, the one to aim for is Thursday morning the 30th of July. That’s your best shot.
Short Range ForecastMostly dry. Warm (max 27°C on Wed night, min 18°C on Thu morning). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 18mm), heaviest on Mon night. Warm (max 25°C on Tue afternoon, min 17°C on Sat night). Winds increasing (light winds from the E on Sun afternoon, strong winds from the SW by Mon night). | ||||||||||||||||||
Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | ||||||||||||||
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) | S 8 | S 8 | S 8 | S 7 | S 7 | ESE 6 | ESE 6 | ESE 7 | ESE 7 | ESE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SSW 5 | SE 7 | SSE 7 | SSE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 304 | 182 | 142 | 112 | 34 | 44 | 60 | 88 | 102 | 99 | 49 | 49 | 45 | 35 | 35 | 82 | 105 | 233 | 103 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | on | glassy | cross | cross-on | cross-off | cross | cross-on | cross-off | cross | on | cross-on | on | cross-on | cross | cross-off | cross-on | on |
High Tide | 3:16AM0.78m | 3:51PM0.95m | 4:14AM0.76m | 4:45PM0.97m | 5:08AM0.76m | 5:34PM0.99m | 5:58AM0.78m | 6:19PM1.02m | 6:44AM0.82m | 7:03PM1.05m | 7:27AM0.85m | 7:44PM1.08m | |||||||
Low Tide | 8:45PM0.29m | 8:30AM0.22m | 9:55PM0.30m | 9:20AM0.23m | 11:10PM0.28m | 10:13AM0.23m | 00:06AM0.26m | 11:06AM0.22m | 00:43AM0.22m | 11:58AM0.20m | 1:12AM0.17m | 12:45PM0.16m | 1:42AM0.13m | ||||||
 |  | |  | | |  | | | | | | | | |  |  | |  | |
 | — | 5:37 | — | — | 5:37 | — | — | 5:39 | — | — | 5:39 | — | — | 5:41 | — | — | 5:41 | — | — |
 | 8:15 | — | 8:14 | — | — | 8:14 | — | — | 8:13 | — | — | 8:12 | — | — | 8:10 | — | — | 8:09 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 16 | 2 | — | 3 |
Temp °C | 27 | 20 | 21 | 21 | 21 | 22 | 21 | 21 | 22 | 21 | 20 | 21 | 21 | 22 | 23 | 22 | 23 | 25 | 24 |
Feels °C | 27 | 18 | 20 | 18 | 20 | 20 | 18 | 17 | 19 | 19 | 18 | 20 | 22 | 21 | 21 | 20 | 25 | 25 | 24 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | S 7 | S 7 | S 7 | ESE 6 | ESE 7 | ESE 7 | ESE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | ESE 7 | SSW 6 | SSE 7 | SSE 8 |
| kJ | 304 | 182 | 142 | 112 | 34 | 22 | 60 | 88 | 102 | 99 | 49 | 49 | 45 | 35 | 35 | 46 | 75 | 233 | 103 |
Swell 2 Height (m) Direction Period (s) | — | — | ENE 4 | SE 7 | ESE 6 | SE 8 | SE 8 | SSW 6 | S 6 | S 6 | E 6 | E 6 | E 5 | E 6 | E 6 | SE 10 | ESE 8 | SE 8 | SSW 7 |
| kJ | — | — | 3 | 49 | 26 | 18 | 28 | 3 | 2 | 3 | 26 | 18 | 9 | 9 | 6 | 4 | 43 | 16 | 73 |
Swell 3 Height (m) Direction Period (s) | — | — | ENE 4 | — | SE 9 | — | SSW 6 | S 8 | S 7 | S 7 | S 7 | S 6 | S 6 | — | — | — | E 6 | E 9 | E 6 |
| kJ | — | — | 7 | — | 12 | — | 8 | 1 | 1 | 1 | 9 | 12 | 2 | — | — | — | 7 | 7 | 36 |
Wind waves Height (m) Direction Period (s) | N 2 | NE 4 | — | ENE 4 | — | ESE 6 | — | — | — | ENE 6 | — | — | — | ESE 5 | S 3 | SSW 5 | SE 7 | E 6 | — |
| kJ | 1 | 5 | — | 2 | — | 44 | — | — | — | 47 | — | — | — | 10 | 3 | 82 | 105 | 47 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 26 | 0 | 84 | 0 | 72 | 671 | 0 | 72 | 296 | 14 | 76 | 682 | 136 | 594 | 594 | 244 | 0 | 31 | 84 |
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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