Surf Forecasts:
Trincomalee surf forecast from 17 Aug 2026:
- Most powerful swell: Tuesday 18 Aug, 2AM (local time) - 2.5ft (0.7m), 9s period, SE swell with 79 kJ wave energy.
Best Forecast Surf Conditions for Trincomalee this week:
The most powerful waves expected at Trincomalee in the next 16 days are 0.7m 9s and forecast to arrive on Tuesday (Aug 18) 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 0.9m 4s period and expected on Tuesday (Aug 18) at 5AM.
| Wave Type | Time (+0530) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 2AM (Tue 18th Aug) | 2.5ft (0.7m) 9s |
Table - best surf conditions forecast for Trincomalee over the next 16 days.
Short Range ForecastSome drizzle, heaviest during Tue afternoon. Warm (max 35°C on Mon afternoon, min 26°C on Mon night). Mainly fresh winds. | Days 4-6 Weather SummarySome drizzle, heaviest during Thu afternoon. Warm (max 35°C on Sat afternoon, min 26°C on Sat night). Winds increasing (light winds from the WNW on Thu afternoon, strong winds from the SW by Fri night). | ||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||
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 10 | SE 10 | SE 9 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | S 18 | S 16 | SSE 8 | SSE 8 | SSE 8 | S 13 | SSE 8 | S 18 | SSE 11 | SSE 8 | SE 10 | SSE 9 | SSE 8 |
Wave Graph | |||||||||||||||||||||
54 | 49 | 79 | 24 | 23 | 21 | 21 | 13 | 26 | 21 | 7 | 7 | 6 | 4 | 13 | 7 | 12 | 46 | 23 | 16 | 27 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off |
High Tide | 11:06AM0.58m | 11:47PM0.53m | 11:42AM0.53m | 00:35AM0.52m | 12:21PM0.48m | 1:30AM0.50m | 1:08PM0.42m | 2:40AM0.49m | 2:14PM0.38m | 4:03AM0.50m | 3:47PM0.37m | 5:16AM0.53m | 5:15PM0.38m | ||||||||
Low Tide | 5:27PM0.12m | 5:35AM0.22m | 5:59PM0.15m | 6:23AM0.27m | 6:32PM0.19m | 7:33AM0.31m | 7:13PM0.21m | 9:48AM0.33m | 8:19PM0.23m | 11:38AM0.31m | 9:48PM0.24m | 12:33PM0.28m | 11:01PM0.22m | ||||||||
5:56 | — | — | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — | |
— | 6:20 | — | — | 6:20 | — | — | 6:20 | — | — | 6:19 | — | — | 6:19 | — | — | 6:17 | — | — | 6:17 | — | |
mm | — | — | — | — | 1 | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 33 | 35 | 29 | 33 | 33 | 29 | 33 | 35 | 28 | 33 | 33 | 29 | 33 | 34 | 28 | 33 | 35 | 29 | 33 | 35 | 28 |
Feels °C | 31 | 33 | 28 | 33 | 35 | 29 | 32 | 34 | 26 | 34 | 34 | 29 | 32 | 31 | 26 | 32 | 33 | 28 | 31 | 33 | 27 |
Swell 1 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 9 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SSE 8 | SSE 8 | SSE 4 | SSE 8 | SSE 5 | SSE 8 | SSE 6 | SSE 8 | SSE 8 | SE 10 | SSE 9 | SSE 8 |
54 | 49 | 79 | 24 | 23 | 21 | 21 | 13 | 12 | 7 | 7 | 2 | 6 | 2 | 13 | 3 | 6 | 46 | 23 | 16 | 27 | |
Swell 2 Height (m) Direction Period (s) | SE 5 | SE 4 | S 20 | SSE 5 | SSE 5 | SE 4 | SSE 5 | SE 5 | SE 4 | SSE 5 | SE 5 | SSE 8 | SE 5 | SE 8 | SSE 4 | SSE 8 | SSE 11 | S 16 | S 15 | — | SE 4 |
5 | 4 | 31 | 3 | 2 | 2 | 3 | 1 | 1 | 3 | 1 | 7 | 1 | 2 | 2 | 6 | 12 | 5 | 4 | — | 3 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | S 19 | — | S 19 | NW 4 | S 20 | S 18 | S 16 | S 16 | SE 8 | NW 4 | S 13 | S 20 | S 18 | S 18 | S 19 | S 18 | S 15 | S 20 |
— | — | — | 7 | — | 7 | 1 | 8 | 26 | 21 | 5 | 2 | 1 | 4 | 7 | 7 | 6 | 7 | 6 | 4 | 8 | |
Wind waves Height (m) Direction Period (s) | WSW 3 | SE 4 | WSW 4 | WSW 4 | SE 3 | WSW 3 | WSW 4 | WSW 3 | WSW 4 | WSW 4 | NNW 2 | SW 4 | SW 3 | — | WSW 4 | WSW 4 | SE 4 | WSW 4 | WSW 4 | SE 4 | W 4 |
5 | 11 | 13 | 5 | 3 | 8 | 4 | 2 | 19 | 7 | 1 | 12 | 3 | — | 23 | 5 | 5 | 13 | 7 | 4 | 18 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 194 | 907 | 194 | 194 | 194 | 194 | 194 | 194 | 194 | 194 | 194 | 194 | 194 | 797 | 194 | 194 | 907 | 194 | 194 | 907 | 194 |
Best forecast wave conditions in East Sri Lanka | |||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Trincomalee Surf forecast
The above surf forecast table for Trincomalee provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Trincomalee can be found by selecting the local surf guide option on the grey menu. Our Trincomalee 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 (Trincomalee) 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 Trincomalee 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.
Are you planning a holiday in East Sri Lanka? If you are looking for accommodation near Trincomalee, camping, hotels and holiday cottages in East Sri Lanka, consider staying in Trincomalee which is 3 km (2 miles) away. Other places in and around East Sri Lanka where you can find information about places to rent, and car hire include Vavuniya which is 86 km (53 miles) away, Eravur Town and Anuradhapura.











