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Surf Forecasts:
The Rock surfForecast / West / Sri Lanka
48hr Weather and Surf, issued 10 pm Sunday 17 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
29.3° 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 2AM is: 1.6m 11s primary swell from a Southwest direction and 1.3m 11s secondary swell from a South-southwest direction, 0.8m 6s secondary swell from a West direction (forecast issued at 10:30pm May 17). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 4ft (1.2m) | 11s |
| Afternoon (18 May) | 4ft (1.2m) | 11s |
| Evening (18 May) | 4ft (1.2m) | 11s |
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 37mm), heaviest during Mon night. Warm (max 29°C on Wed morning, min 27°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wednesday 20 | |||||||||||||||||||||
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 12 | SSW 11 | SW 11 | SW 11 | S 11 | S 11 | S 11 | SSW 11 | SSW 11 | SSW 11 | SW 6 | SSW 12 | SW 12 | SW 12 | S 12 | SSW 16 | SSW 16 | SW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 15 | SSW 14 | SSW 14 | |
579 | 400 | 615 | 561 | 332 | 326 | 326 | 337 | 337 | 343 | 159 | 514 | 706 | 694 | 316 | 244 | 322 | 258 | 201 | 239 | 301 | 272 | 186 | 178 | |
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-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | |
High Tide | 2:53AM0.45m | 3:10PM0.59m | 3:29AM0.44m | 3:45PM0.55m | 4:09AM0.42m | 4:20PM0.51m | ||||||||||||||||||
Low Tide | 9:03PM0.03m | 8:43AM0.04m | 9:37PM0.05m | 9:20AM0.06m | 10:13PM0.07m | 9:58AM0.10m | ||||||||||||||||||
 | | | |  | | | | | | | | | | | | | | |  |  | | | | |
 | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — |
 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 |
2 | 1 | 1 | 2 | 2 | 3 | 3 | 3 | 4 | 3 | 3 | 2 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | |
Temp °C | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 29 | 29 | 28 |
30 | 30 | 30 | 29 | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 31 | 31 | 29 | 29 | 29 | 30 | 30 | 29 | 30 | |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 11 | SSW 11 | S 11 | S 11 | S 11 | S 11 | SSW 11 | SSW 11 | SSW 11 | S 12 | SSW 12 | SW 12 | SW 12 | S 12 | WSW 6 | SW 6 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 |
 kJ | 579 | 400 | 415 | 338 | 332 | 326 | 326 | 337 | 337 | 343 | 77 | 514 | 706 | 694 | 316 | 88 | 80 | 185 | 174 | 164 | 164 | 202 | 98 | 128 |
Swell 2 Height (m) Direction Period (s) | W 6 | W 6 | W 6 | WSW 6 | SSW 18 | SSW 14 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SW 16 | SSW 17 | SSW 18 | SSW 18 | SSW 18 | S 11 | S 11 | WSW 6 | WSW 6 | SSW 14 | SSW 14 | SSW 15 | SSW 14 | SSW 5 |
| kJ | 61 | 48 | 48 | 48 | 121 | 62 | 102 | 102 | 100 | 124 | 124 | 200 | 176 | 178 | 120 | 244 | 240 | 64 | 46 | 239 | 301 | 272 | 186 | 32 |
Swell 3 Height (m) Direction Period (s) | SW 20 | S 13 | SW 18 | SSW 18 | S 14 | SW 17 | S 14 | S 13 | S 17 | S 17 | S 16 | S 16 | SW 14 | S 16 | S 16 | SSW 16 | SSW 16 | SW 16 | SSW 15 | WSW 6 | WSW 9 | WSW 9 | SSW 5 | SSW 14 |
| kJ | 97 | 90 | 83 | 123 | 33 | 77 | 32 | 32 | 51 | 50 | 48 | 82 | 54 | 79 | 79 | 220 | 322 | 258 | 201 | 37 | 25 | 15 | 22 | 178 |
Wind waves Height (m) Direction Period (s) | SW 6 | — | SW 11 | SW 11 | WSW 6 | WSW 6 | WSW 6 | W 6 | W 6 | W 6 | SW 6 | W 6 | SW 6 | WSW 6 | WSW 6 | — | — | WSW 6 | — | WSW 6 | WSW 6 | WSW 6 | W 6 | W 6 |
| kJ | 247 | — | 615 | 561 | 50 | 58 | 60 | 56 | 43 | 41 | 159 | 41 | 131 | 116 | 82 | — | — | 94 | — | 74 | 35 | 43 | 43 | 39 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 875 | 875 | 875 | 461 | 461 | 1969 | 1969 | 1158 | 1110 | 1255 | 1066 | 1066 | 194 | 193 | 759 | 1503 | 1016 | 193 | 193 | 193 | 193 | 186 | 186 | 186 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||||
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