Surf Forecasts:
Trincomalee surf forecast from 6 Sep 2026:
- Most powerful swell: Wednesday 9 Sep, 2AM (local time) - 3.5ft (1.0m), 8s period, SE swell with 138 kJ wave energy.
Best Forecast Surf Conditions for Trincomalee this week:
The most powerful waves expected at Trincomalee in the next 16 days are 1.0m 8s and forecast to arrive on Wednesday (Sep 09) 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 Thursday (Sep 10) at 5AM.
| Wave Type | Time (+0530) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 2AM (Wed 9th Sep) | 3.5ft (1.0m) 8s |
Table - best surf conditions forecast for Trincomalee over the next 16 days.
The Lowdown
G’day, Rusty here. Let’s be straight with you – this forecast for the Trincomalee area is a quiet one. We’re looking at a long stretch of the next two and a half weeks with hardly any surf to get excited about. The swell is consistently tiny, mostly below 2 ft, and the energy is weak. There’s a bit of a gap from now until the 20th of September where the conditions are just flat or poor, so don’t expect to paddle out much.
The first real sniff of something worth mentioning comes on Wednesday the 9th of September. The morning kicks off with a clean 3 ft swell from the southeast, with a period of 9 seconds and the combined energy hitting 113 (moderate). The wind is cross-off from the WSW, so it’ll be tidy. The afternoon turns glassy with a calm north wind, making it real smooth. The swell is still small, but for a rare-breaking spot like Trincomalee, this is about as good as it gets this week. The water temp is about average for the time of year, nothing unusual.
The next standout shows up on Thursday the 10th of September. The morning again has that 2 ft–2 ft southeast swell, period 10 seconds, and energy at 112 (moderate). The wind is cross-off from the WSW, keeping it clean. The afternoon though gets a bit bumpy with a cross-on breeze, but the morning session is the pick.
After that, the swell just fades out again. The 21st of September Monday morning sees a bump to 2 ft from the SSE with a longer period of 11 seconds and energy of 113 (moderate), but the wind is a fresh cross-off from the WSW, so it’s clean but still small. That’s your best bet for the second week – a distant, promising option but far from certain.
Overall, the best surf on offer is the Wednesday 9th morning and Thursday 10th morning. The waves are small, but the winds are clean. For a break that rarely breaks, any ride is a gift. The rest of the outlook is a waiting game.
Rusty.
Short Range ForecastLight rain (total 6mm), mostly falling on Sat night. Warm (max 34°C on Mon morning, min 26°C on Sat night). Mainly fresh winds. | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Thu afternoon. Warm (max 35°C on Wed afternoon, min 27°C on Tue night). Mainly strong winds. | ||||||||||||||||||
Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | ||||||||||||||
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 7 | SE 8 | SE 8 | SE 7 | SE 8 | SE 4 | SE 8 | SE 8 | SE 9 | SE 8 | SE 9 | SE 9 | SE 9 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 86 | 30 | 16 | 79 | 53 | 22 | 107 | 57 | 46 | 138 | 99 | 101 | 120 | 49 | 85 | 81 | 28 | 27 | 36 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-on | cross-off | cross-off | on | cross-off | cross-off | cross-on | cross-off | cross-off | glassy | cross-off | cross-off | cross-on | cross-off | cross-off | cross-on | cross-off |
High Tide | 3:42AM0.56m | 3:58PM0.42m | 5:06AM0.59m | 5:35PM0.46m | 6:07AM0.63m | 6:36PM0.50m | 6:55AM0.67m | 7:23PM0.55m | 7:36AM0.69m | 8:04PM0.59m | 8:13AM0.69m | 8:42PM0.61m | |||||||
Low Tide | 8:33PM0.21m | 10:23AM0.27m | 10:04PM0.21m | 11:38AM0.22m | 11:18PM0.19m | 12:33PM0.17m | 00:18AM0.16m | 1:18PM0.13m | 1:09AM0.14m | 1:57PM0.10m | 1:54AM0.13m | 2:33PM0.09m | 2:36AM0.13m | ||||||
 |  |  | | |  |  | |  |  | | | | |  | | | | | |
 | — | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — |
 | — | — | 6:09 | — | — | 6:09 | — | — | 6:08 | — | — | 6:08 | — | — | 6:07 | — | — | 6:07 | — |
mm | 3 | — | 1 | 1 | — | 1 | — | — | — | — | — | — | — | — | 1 | — | — | 1 | 1 |
Temp °C | 30 | 33 | 29 | 28 | 34 | 31 | 29 | 34 | 33 | 29 | 34 | 35 | 29 | 34 | 35 | 29 | 34 | 33 | 29 |
Feels °C | 33 | 33 | 29 | 31 | 35 | 32 | 30 | 34 | 36 | 29 | 33 | 35 | 29 | 33 | 35 | 29 | 35 | 36 | 29 |
Swell 1 Height (m) Direction Period (s) | SE 7 | SE 8 | SE 8 | SE 7 | SE 8 | SSE 10 | SE 8 | SE 8 | SE 9 | SE 8 | SE 9 | SE 9 | SE 9 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 |
| kJ | 86 | 30 | 16 | 79 | 53 | 9 | 107 | 57 | 46 | 138 | 99 | 101 | 120 | 49 | 85 | 81 | 28 | 27 | 36 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 10 | SSE 10 | NW 5 | S 19 | S 18 | NW 6 | W 4 | S 18 | S 18 | SW 3 | SE 16 | SE 16 | SE 9 | SSE 14 | SSE 14 | SSE 5 | SSE 13 | SSE 4 |
| kJ | 9 | 8 | 10 | 1 | 7 | 6 | 1 | 1 | 6 | 6 | 3 | 10 | 9 | 42 | 21 | 20 | 3 | 17 | 2 |
Swell 3 Height (m) Direction Period (s) | — | W 3 | S 15 | S 21 | S 19 | — | S 17 | S 16 | — | S 19 | SE 16 | — | — | SSE 15 | — | S 18 | SSE 14 | SSE 5 | NNW 4 |
| kJ | — | 1 | 4 | 9 | 29 | — | 6 | 5 | — | 29 | 11 | — | — | 21 | — | 7 | 18 | 2 | 2 |
Wind waves Height (m) Direction Period (s) | — | SSW 2 | ESE 4 | W 3 | SW 3 | SE 4 | W 3 | SW 3 | ESE 4 | WSW 3 | — | ESE 3 | W 3 | WSW 4 | ESE 3 | WSW 4 | WSW 4 | NW 2 | WSW 3 |
| kJ | — | 1 | 9 | 4 | 2 | 22 | 7 | 3 | 8 | 9 | — | 2 | 11 | 5 | 8 | 14 | 5 | 2 | 7 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 299 | 956 | 956 | 194 | 410 | 956 | 410 | 410 | 797 | 194 | 410 | 1119 | 194 | 194 | 410 | 194 | 194 | 958 | 194 |
Best forecast wave conditions in East Sri Lanka | |||||||||||||||||||
Best forecast wave conditions in Sri Lanka | |||||||||||||||||||
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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.
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