Surf Forecasts:
Trincomalee surf forecast from 3 Sep 2026:
- Most powerful swell: Monday 7 Sep, 2PM (local time) - 3ft (0.9m), 9s period, SSE swell with 133 kJ wave energy.
Best Forecast Surf Conditions for Trincomalee this week:
The most powerful waves expected at Trincomalee in the next 16 days are 0.9m 9s and forecast to arrive on Monday (Sep 07) at 2PM. Winds are predicted to be onshore 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 (Sep 08) at 5AM.
| Wave Type | Time (+0530) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 2PM (Mon 7th Sep) | 3ft (0.9m) 9s |
Table - best surf conditions forecast for Trincomalee over the next 16 days.
The Lowdown
Alright crew, Rusty here. Let’s get into it.
Honestly, the outlook for the next 16 days is a tough one. We’re looking at a long stretch of really small surf and mostly poor conditions. The swell is coming from the SE, but it’s tiny—barely cracking 3 ft at its best, and often just 1 ft to 2 ft. The period is short, mostly around 8 to 9 seconds, so it’s weak, windswell slop, with combined wave energy in the low range (often under 100, peaking at 127 on the 9th afternoon). The water temp is 84°F, which is about normal for the time of year, just a touch warmer than average.
The only break rated is Trincomalee, a point break that's a beginner-friendly spot but it *rarely breaks*. That’s your first warning. Even when it does, with this SE swell direction and the optimum swell direction being S, it’s not a great match. The winds are mostly cross-offshore from the WSW, which can keep the surface clean, but the swell is just too small to push any quality waves. On the 9th of September, we see a little bump in energy (127) with a 3 ft SE swell and a light offshore wind from the W, giving the cleanest look of the whole run. But even then, it’s still a marginal wave. Every other day is a write-off: poor surf conditions, zero scores, and the swell never gets above 2 ft for most of the first week.
From the 12th onward, the wind picks up to a fresh breeze (19–22 mph), and the swell drops further to 0.7 ft–1 ft. The combined energy numbers fall into the pathetic range (16–31). There’s a slight spike again on the afternoon of the 17th with 3 ft and 115 energy, but the wind is a strong cross-offshore and the period is still short at 8 seconds—not enough to get excited about.
This is a prolonged quiet spell. For a spot that rarely breaks anyway, a blank run like this is pretty normal. Don’t expect much. If you’re desperate for a paddle, the 9th afternoon is your best bet, but keep expectations low.
Rusty.
Short Range ForecastLight rain (total 7mm), mostly falling on Thu afternoon. Warm (max 34°C on Thu morning, min 26°C on Thu night). Winds decreasing (fresh winds from the SW on Thu night, light winds from the ESE by Fri afternoon). | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Sun afternoon. Warm (max 35°C on Tue afternoon, min 27°C on Sun night). Mainly strong winds. | ||||||||||||||||||||
Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | |||||||||||||||
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 8 | SE 4 | SE 8 | SE 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 31 | 17 | 95 | 32 | 26 | 65 | 32 | 41 | 64 | 31 | 17 | 95 | 35 | 21 | 95 | 39 | 64 | 112 | 68 | 103 | 101 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | on | cross-off | cross-off | on | cross-off | cross-off | cross-on | cross-off | cross-off | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off |
High Tide | 11:35AM0.52m | 00:50AM0.56m | 12:30PM0.47m | 2:07AM0.55m | 1:55PM0.43m | 3:42AM0.56m | 3:58PM0.42m | 5:06AM0.59m | 5:35PM0.46m | 6:07AM0.63m | 6:36PM0.50m | 6:55AM0.67m | 7:23PM0.55m | ||||||||
Low Tide | 6:08PM0.14m | 7:04AM0.27m | 7:10PM0.18m | 8:41AM0.29m | 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 | ||||||||
 |  |  | |  |  | | | |  | | | |  |  | | | | | | | |
 | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — | 5:54 | — | — |
 | — | 6:12 | — | — | 6:10 | — | — | 6:10 | — | — | 6:09 | — | — | 6:09 | — | — | 6:08 | — | — | 6:08 | — |
mm | — | 2 | — | — | 1 | 1 | — | 2 | 1 | — | 1 | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 34 | 32 | 30 | 33 | 30 | 30 | 34 | 29 | 29 | 33 | 34 | 29 | 34 | 33 | 29 | 34 | 35 | 29 | 34 | 35 | 29 |
Feels °C | 34 | 34 | 32 | 34 | 34 | 32 | 35 | 30 | 32 | 34 | 34 | 30 | 35 | 35 | 28 | 33 | 37 | 28 | 32 | 33 | 30 |
Swell 1 Height (m) Direction Period (s) | SE 8 | — | SE 8 | SE 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 4 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 |
| kJ | 31 | — | 95 | 32 | 26 | 65 | 32 | 41 | 64 | 31 | 17 | 95 | 35 | 5 | 95 | 39 | 64 | 112 | 68 | 103 | 101 |
Swell 2 Height (m) Direction Period (s) | WSW 3 | S 15 | — | SW 3 | S 10 | S 12 | WSW 3 | SSE 11 | S 11 | SW 3 | S 10 | NNW 5 | W 3 | SE 8 | S 17 | SE 8 | S 18 | S 18 | SE 16 | SE 16 | SE 4 |
| kJ | 2 | 4 | — | 2 | 9 | 3 | 2 | 12 | 2 | 3 | 2 | 2 | 1 | 21 | 6 | 11 | 6 | 6 | 11 | 10 | 3 |
Swell 3 Height (m) Direction Period (s) | S 18 | — | — | — | — | S 17 | S 11 | S 16 | NW 4 | S 10 | S 18 | S 21 | S 19 | SSE 8 | S 16 | S 16 | S 21 | S 19 | SSE 16 | — | SE 16 |
| kJ | 7 | — | — | — | — | 5 | 9 | 5 | 1 | 8 | 6 | 9 | 7 | 7 | 5 | 5 | 8 | 7 | 26 | — | 10 |
Wind waves Height (m) Direction Period (s) | — | SE 4 | WSW 3 | — | ESE 4 | WSW 3 | SSW 3 | ESE 4 | WSW 3 | — | ESE 4 | — | SSW 2 | — | W 4 | WSW 4 | — | WSW 4 | W 4 | SE 4 | WSW 4 |
| kJ | — | 17 | 8 | — | 9 | 3 | 1 | 4 | 5 | — | 5 | — | 1 | — | 16 | 5 | — | 25 | 7 | 14 | 24 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 410 | 797 | 343 | 467 | 958 | 194 | 410 | 958 | 299 | 194 | 956 | 299 | 410 | 956 | 194 | 410 | 958 | 194 | 194 | 975 | 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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