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Surf Forecasts:
The Rock surfForecast / West / Sri Lanka
48hr Weather and Surf, issued 10 pm Thursday 21 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
29.2° C
(Which is normal for this time of year)How big are the waves at The Rock today?
The current surf forecast for The Rock at 4AM is: 1.9m 7s primary swell from a West-southwest direction and 0.9m 14s secondary swell from a South-southwest direction, 0.4m 18s secondary swell from a South-southwest direction (forecast issued at 10:30pm May 21). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | 6ft (1.8m) | 8s |
| Afternoon (22 May) | 6ft (1.9m) | 8s |
| Evening (22 May) | 3ft (0.9m) | 16s |
Table - waves today at The Rock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 105mm), heaviest during Fri morning. Warm (max 28°C on Thu night, min 25°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sunday 24 | |||||||||||||||||||||
8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
SSW 15 | WSW 7 | WSW 7 | SSW 14 | WSW 8 | WSW 8 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | WSW 8 | WSW 8 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | |
275 | 277 | 371 | 371 | 382 | 382 | 534 | 487 | 481 | 435 | 376 | 449 | 449 | 366 | 366 | 356 | 331 | 317 | 253 | 307 | 285 | 265 | 263 | 256 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | |
High Tide | 5:54AM0.36m | 5:37PM0.40m | 7:26AM0.35m | 6:37PM0.35m | 9:36AM0.36m | |||||||||||||||||||
Low Tide | 11:37PM0.12m | 11:27AM0.21m | 00:35AM0.15m | 12:50PM0.26m | 2:00AM0.17m | 3:40PM0.27m | ||||||||||||||||||
 | |  | |  | | | | | | | |  | | | | | | | | | | | | |
 | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — |
 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 |
6 | 8 | 10 | 9 | 11 | 5 | 3 | 3 | 2 | 2 | 6 | 10 | 7 | 5 | 4 | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 2 | 2 | |
Temp °C | 28 | 28 | 26 | 25 | 25 | 27 | 26 | 26 | 26 | 26 | 25 | 25 | 26 | 26 | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 |
30 | 30 | 27 | 27 | 27 | 28 | 27 | 26 | 27 | 27 | 26 | 26 | 27 | 27 | 29 | 31 | 30 | 29 | 28 | 28 | 28 | 29 | 29 | 29 | |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 |
 kJ | 275 | 268 | 371 | 371 | 371 | 371 | 534 | 487 | 481 | 435 | 376 | 449 | 449 | 366 | 366 | 356 | 331 | 317 | 253 | 307 | 246 | 246 | 242 | 170 |
Swell 2 Height (m) Direction Period (s) | S 10 | S 10 | SSW 18 | SSW 18 | SSW 18 | SSE 9 | SW 13 | S 10 | S 10 | SW 13 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | S 8 | S 8 | SSE 9 | SSE 9 | S 8 | SSE 9 | S 18 | S 8 | SSW 18 | SSW 18 |
| kJ | 73 | 71 | 62 | 104 | 61 | 55 | 175 | 19 | 8 | 138 | 30 | 30 | 29 | 26 | 31 | 19 | 32 | 31 | 21 | 30 | 6 | 10 | 31 | 61 |
Swell 3 Height (m) Direction Period (s) | — | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 16 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | S 10 | S 10 | S 10 | S 10 | SE 9 | SSE 7 | — | — | — | SW 18 | SW 18 | SSW 18 | SSW 18 | SSW 18 |
| kJ | — | 63 | 106 | 104 | 102 | 153 | 54 | 68 | 53 | 30 | 8 | 8 | 8 | 8 | 22 | 11 | — | — | — | 13 | 13 | 31 | 31 | 61 |
Wind waves Height (m) Direction Period (s) | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | SW 8 | WSW 7 | WSW 7 | WSW 8 | WSW 8 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 |
| kJ | 248 | 277 | 330 | 352 | 382 | 382 | 414 | 403 | 358 | 352 | 362 | 353 | 353 | 362 | 311 | 294 | 320 | 294 | 241 | 248 | 285 | 265 | 263 | 256 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 740 | 193 | 193 | 193 | 374 | 193 | 875 | 875 | 669 | 740 | 193 | 193 | 193 | 193 | 193 | 193 | 193 | 875 | 193 | 193 | 193 | 193 | 192 | 192 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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