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Surf Forecasts:
The Rock surfForecast / West / Sri Lanka
16 Day Weather and Surf, issued 10 am Monday 11 May 2026 +0530Forecast update in hr min s Forecast update imminent
The Rock surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's The Rock sea temperature is
30.0° C
(Which is slightly warmer than usual)Best Forecast Surf Conditions for The Rock this week:
The surf forecast for The Rock over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (May 12) at 2AM. The primary swell is predicted to be 1.1m and 17s period with a secondary swell of 1.5m and 7s. Another secondary swell of 1.7m and 7s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at The Rock in the next 16 days are 1.9m 13s and forecast to arrive on Thursday (May 14) at 5AM. Winds are predicted to be cross-shore at the time the swell arrives.
| Wave Type | Time (+0530) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Tue 12th May) | 3.5ft (1.1m) 17s |
| Best Surf | 2AM (Tue 12th May) | 3.5ft (1.1m) 17s |
| Most Powerful | 5AM (Thu 14th May) | 6ft (1.9m) 13s |
Table - best surf conditions forecast for The Rock over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 95mm), heaviest during Tue night. Warm (max 29°C on Mon morning, min 25°C on Mon night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 97mm), heaviest during Fri morning. Warm (max 28°C on Sat morning, min 25°C on Fri morning). Mainly fresh winds. | ||||||||||||||||||||
Monday 11 | Tuesday 12 | Wednesday 13 | Thursday 14 | Friday 15 | Saturday 16 | Sunday 17 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
SSW 13 | SW 7 | SSW 17 | SSW 16 | SSW 16 | SSW 14 | SW 8 | WSW 8 | SW 13 | SSW 14 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SSW 12 | SW 7 | SW 7 | SSW 7 | |
173 | 214 | 772 | 758 | 763 | 631 | 473 | 534 | 1144 | 500 | 402 | 458 | 589 | 659 | 520 | 453 | 358 | 432 | 213 | 195 | 128 | |
Wind (km/h) | |||||||||||||||||||||
cross-on | cross | cross-off | cross | cross | cross-on | cross | cross-on | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross-on | cross | cross-on | cross-on | cross-on | cross-on | |
High Tide | 11:08AM0.36m | 10:47PM0.35m | 11:47AM0.43m | 11:47PM0.37m | 12:20PM0.49m | 00:31AM0.40m | 12:54PM0.55m | 1:08AM0.42m | 1:27PM0.59m | 1:43AM0.43m | 2:01PM0.61m | 2:18AM0.44m | 2:36PM0.61m | 2:53AM0.45m | |||||||
Low Tide | 5:13PM0.23m | 5:06AM0.15m | 6:07PM0.17m | 5:46AM0.12m | 6:46PM0.12m | 6:22AM0.08m | 7:22PM0.07m | 6:57AM0.05m | 7:56PM0.05m | 7:32AM0.04m | 8:29PM0.03m | 8:07AM0.03m | 9:03PM0.03m | ||||||||
 | |  | | | | | | |  | |  | | | | | | | | | | |
 | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — |
 | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — |
1 | 3 | 17 | 2 | 4 | 41 | 22 | 3 | 2 | 7 | 10 | 5 | 20 | 7 | 12 | 9 | 14 | 13 | 6 | 4 | 4 | |
Temp °C | 29 | 28 | 27 | 29 | 28 | 27 | 26 | 26 | 27 | 27 | 27 | 27 | 26 | 25 | 26 | 28 | 28 | 27 | 29 | 28 | 28 |
30 | 29 | 30 | 32 | 31 | 30 | 28 | 27 | 29 | 30 | 28 | 29 | 26 | 25 | 28 | 29 | 30 | 29 | 31 | 30 | 30 | |
Swell 1 Height (m) Direction Period (s) | SW 6 | SW 6 | SW 7 | SW 8 | SW 8 | SSW 14 | SW 8 | SW 8 | SW 13 | SW 7 | SW 8 | S 13 | S 14 | S 14 | SSW 15 | SW 8 | SSW 13 | SSW 12 | S 12 | SSW 12 | SSW 7 |
 kJ | 54 | 134 | 225 | 338 | 314 | 631 | 383 | 364 | 1144 | 237 | 354 | 361 | 411 | 405 | 395 | 453 | 232 | 432 | 106 | 195 | 128 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 14 | SSW 17 | SSW 16 | SSW 16 | SE 9 | SSW 14 | SSW 14 | S 16 | SSW 14 | SSW 14 | SE 11 | SE 10 | SE 10 | S 15 | SSW 13 | S 10 | SSW 15 | SSW 15 | SW 20 | S 13 |
| kJ | 173 | 210 | 772 | 758 | 763 | 12 | 437 | 322 | 134 | 500 | 313 | 4 | 4 | 4 | 150 | 295 | 47 | 121 | 44 | 98 | 89 |
Swell 3 Height (m) Direction Period (s) | SSW 19 | S 19 | — | — | SE 8 | — | SSW 10 | S 10 | SE 8 | SE 8 | SSW 16 | — | ESE 10 | ESE 10 | SSW 16 | S 10 | ESE 9 | SW 24 | SSW 21 | SW 20 | SW 18 |
| kJ | 74 | 184 | — | — | 11 | — | 36 | 125 | 3 | 3 | 149 | — | 10 | 9 | 100 | 18 | 8 | 22 | 45 | 136 | 83 |
Wind waves Height (m) Direction Period (s) | — | SW 7 | SW 7 | SW 8 | WSW 8 | SW 7 | SW 8 | WSW 8 | — | WNW 6 | WSW 8 | SW 8 | SW 8 | SW 8 | SW 8 | — | SW 8 | WSW 7 | SW 7 | SW 7 | W 6 |
| kJ | — | 214 | 301 | 355 | 348 | 355 | 473 | 534 | — | 39 | 402 | 458 | 589 | 659 | 520 | — | 358 | 168 | 213 | 195 | 74 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 192 | 15 | 0 | 147 | 192 | 193 | 193 | 1483 | 186 | 186 | 186 | 193 | 1989 | 186 | 147 | 193 | 15 | 193 | 193 | 193 | 194 |
Best forecast wave conditions in West Sri Lanka | |||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | |||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our The Rock surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the The Rock Surf forecast
The above surf forecast table for The Rock provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at The Rock can be found by selecting the local surf guide option on the grey menu. Our The Rock 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 (The Rock) 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 The Rock 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.
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