Surf Forecasts:
Road K surf forecast from 26 Aug 2026:
- Best quality surf: Friday 28 Aug, 11PM (local time) - 2.5ft (0.8m), 8s period, SE swell with offshore winds.
- Most powerful swell: Wednesday 2 Sep, 2PM (local time) - 2ft (0.6m), 11s period, SE swell with 96 kJ wave energy.
- Next surfable swell (1★+): Friday 28 Aug, 11PM (local time) - 2.5ft (0.8m), 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 11PM. The primary swell is predicted to be 0.8m and 8s period with a secondary swell of 0.6m and 6s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Road K in the next 16 days are 0.6m 11s and forecast to arrive on Wednesday (Sep 02) at 2PM. 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 3s period and expected on Saturday (Aug 29) at 8AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Fri 28th Aug) | 2.5ft (0.8m) 8s |
| Best Surf | 11PM (Fri 28th Aug) | 2.5ft (0.8m) 8s |
| Most Powerful | 2PM (Wed 2nd Sep) | 2ft (0.6m) 11s |
Table - best surf conditions forecast for Road K over the next 16 days.
Short Range ForecastLight rain (total 5mm), mostly falling on Thu afternoon. Warm (max 26°C on Fri night, min 20°C on Wed morning). Winds decreasing (fresh winds from the SSW on Thu night, light winds from the SSW by Fri night). | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Sun night. Warm (max 25°C on Sun night, min 19°C on Sat morning). Winds increasing (calm on Sat afternoon, fresh winds from the SW by Sun night). | ||||||||||||||||||||
Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | |||||||||||||||
AM | 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) | SE 9 | SE 8 | SE 8 | SE 9 | SE 9 | S 6 | S 6 | SE 8 | SE 8 | S 7 | SE 8 | SE 8 | SE 8 | SE 8 | SSW 5 | SW 5 | SSW 5 | SE 7 | SE 6 | SSW 5 | SE 9 |
Wave Graph | |||||||||||||||||||||
40 | 72 | 72 | 75 | 79 | 77 | 59 | 67 | 69 | 53 | 38 | 33 | 35 | 35 | 37 | 33 | 21 | 11 | 6 | 7 | 31 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-off | cross-off | glassy | cross-on | cross | cross-on | cross-off | off | cross-off | cross-off | cross-on | cross-on | on |
High Tide | 7:17PM1.08m | 7:40AM0.97m | 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 | ||||||||
Low Tide | 12:25PM0.16m | 1:08AM0.13m | 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 | |||||||
6:09 | — | — | 6:11 | — | — | 6:11 | — | — | 6:13 | — | — | 6:13 | — | — | 6:15 | — | — | 6:16 | — | — | |
— | 7:31 | — | — | 7:30 | — | — | 7:29 | — | — | 7:27 | — | — | 7:25 | — | — | 7:23 | — | — | 7:22 | — | |
mm | — | — | — | — | 1 | 3 | — | — | 1 | — | — | — | — | — | 2 | — | — | — | 1 | 2 | 1 |
Temp °C | 21 | 23 | 23 | 24 | 24 | 23 | 25 | 25 | 26 | 20 | 22 | 23 | 22 | 23 | 25 | 22 | 24 | 24 | 22 | 24 | 25 |
Feels °C | 21 | 22 | 22 | 23 | 22 | 21 | 27 | 27 | 28 | 17 | 22 | 22 | 23 | 22 | 23 | 22 | 23 | 24 | 22 | 23 | 28 |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | S 6 | S 6 | SE 8 | S 7 | S 6 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SSW 5 | SSW 5 | SSW 5 | SSW 5 | SE 9 |
40 | 72 | 72 | 75 | 79 | 77 | 59 | 36 | 69 | 45 | 30 | 33 | 35 | 35 | 17 | 16 | 21 | 8 | 4 | 7 | 31 | |
Swell 2 Height (m) Direction Period (s) | SSW 5 | — | S 6 | — | — | — | SE 8 | SE 8 | S 6 | SE 8 | SE 8 | SSW 6 | SSW 6 | — | — | — | SE 7 | SE 7 | SE 6 | SE 6 | SSW 5 |
4 | — | 6 | — | — | — | 55 | 67 | 30 | 53 | 38 | 11 | 10 | — | — | — | 17 | 11 | 6 | 6 | 5 | |
Swell 3 Height (m) Direction Period (s) | ESE 6 | — | — | — | — | — | E 10 | E 10 | S 8 | E 9 | S 6 | E 4 | — | — | — | — | — | — | SE 8 | SE 8 | SE 12 |
4 | — | — | — | — | — | 2 | 2 | 1 | 2 | 3 | 3 | — | — | — | — | — | — | 3 | 3 | 23 | |
Wind waves Height (m) Direction Period (s) | — | SSW 6 | SSW 6 | SSW 4 | SSW 5 | S 6 | — | — | — | ENE 4 | E 5 | — | — | SSW 6 | SSW 5 | SW 5 | — | — | — | — | E 3 |
— | 7 | 11 | 12 | 49 | 75 | — | — | — | 10 | 17 | — | — | 24 | 37 | 33 | — | — | — | — | 5 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 1167 | 104 | 221 | 1166 | 134 | 59 | 51 | 26 | 72 | 0 | 49 | 682 | 263 | 636 | 0 | 199 | 1174 | 1174 | 1174 | 17 |
Best forecast wave conditions in Long Island New York | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)
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.











