Surf Forecasts:
Dondra surf forecast from 16 Aug 2026:
- Most powerful swell: Tuesday 18 Aug, 11AM (local time) - 7.5ft (2.3m), 19s period, SSW swell with 3,961 kJ wave energy.
Best Forecast Surf Conditions for Dondra this week:
The most powerful waves expected at Dondra in the next 16 days are 2.3m 19s and forecast to arrive on Tuesday (Aug 18) at 11AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Thursday (Aug 20) at 5PM.
| Wave Type | Time (+0530) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 11AM (Tue 18th Aug) | 7.5ft (2.3m) 19s |
Table - best surf conditions forecast for Dondra over the next 16 days.
The Lowdown
G’day, Rusty here. We’ve got a solid run of surf on the cards at Dondra, stretching right across the next couple of weeks, but the pattern is pretty consistent rather than delivering any true days of magic. The water temperature is about average for this time of year, nothing unusual there. You’ll want to keep an eye on your tides though, because the forecast keeps flagging marginal conditions due to tide issues.
The action starts Monday the 17th of August with a small but promising SSW swell pushing in at 2ft early, with a very long 22-second period. The wind is a cross-shore at 16 mph though, so the morning will have a bit of a chop on it. The afternoon cleans up nicely as the wind turns cross-offshore, the swell bumps to a clean 3ft, and the energy jumps to moderate (1149). A decent intro to the week.
Tuesday the 18th is when things start to get a bit more serious. You’re looking at a solid 8ft SSW swell with that same cross-off wind holding all day. Wave energy is strong at over 4000, and the long period of 19 seconds means proper groundswell energy. This is borderline too big for beginners, but for anyone with a bit of experience, the wave quality will be clean and powerful. Wind stays 16 mph from the west, keeping those faces tidy.
Wednesday the 19th is still solid with 7ft in the morning easing to 6ft by afternoon, same clean conditions. Energy remains very strong, dropping from 3586 to 3376. The period drops a touch to 16-17 seconds, still plenty of grunt.
Thursday the 20th holds at 8ft in the morning and 7ft in the afternoon. Still across the 6ft mark, so again, not for the grommets. Cross-off wind, clean conditions, strong energy (2713 in the morning). But the scores are middling, and the tide call is still questionable. You’ll need to pick your banks.
From Friday the 21st, the swell eases a little. 5ft morning, 5ft afternoon, swinging more southerly. Energy drops to moderate (1396), but the wind is still cross-off and clean. Saturday the 22nd looks similar: 6ft to 6ft, southerly, 15-second period, wave energy around 1600. Again, clean but nothing stand-out.
Sunday the 23rd through Monday the 24th sees the swell back to 5ft down to 3ft. The period on Monday morning jumps to 18 seconds, but with only 3ft of swell, it’s a bit of a tease. Energy sits at moderate (1026). Still clean, still that consistent west cross-off wind.
The second week settles into a repetitive pattern. Tuesday 25th to Wednesday 26th: 4ft to 5ft, SSW, clean, moderate energy. Thursday 27th sees a small lift to 6ft in the morning, but the risk of thunderstorms returns. Friday 28th is the smallest of the run, dropping to 3ft to 3ft, though the afternoon of the 28th has a very long 20-second period which could offer a few lined-up runners on the right bank.
Saturday 29th picks back up to 6ft to 6ft, with a shift to SW in the afternoon, energy around 1900. Sunday 30th holds at 5ft, and Monday 1st September finishes the run with a 6ft SSW swell in the morning but the wind turns cross-shore and brings a bit of cross-chop.
The standout period is Tuesday 18th to Thursday 20th of August. That’s the strongest, cleanest, most powerful swell of the window with combined energy in the strong range (2713 to 4281). For experienced surfers, those days are your best bet. Even then, keep in mind that Dondra is an inconsistent reef break and can get crowded sometimes, so don’t expect to have it to yourself.
For everyone else, there’s pretty much surf every day from the 17th onward, but nothing that screams “drop everything and go.” The consistency is there, and forecasts can change, so keep an eye on the wind and tide.
Rusty
Short Range ForecastModerate rain (total 13mm), heaviest on Mon night. Warm (max 29°C on Tue afternoon, min 26°C on Sun night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 20mm), heaviest during Thu night. Warm (max 29°C on Thu morning, min 25°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | ||||||||||||||
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) | SSE 11 | SSW 22 | SSW 22 | SSW 21 | SSW 19 | SSW 19 | SSW 18 | SSW 17 | S 18 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | S 14 | S 17 | S 15 | S 15 | S 14 |
Wave Graph | |||||||||||||||||||
256 | 415 | 887 | 1311 | 3961 | 3757 | 3393 | 2296 | 1761 | 3228 | 2523 | 2054 | 1460 | 1121 | 938 | 839 | 1297 | 1466 | 1014 | |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 4:46AM0.53m | 4:35PM0.47m | 5:09AM0.50m | 4:57PM0.43m | 5:32AM0.47m | 5:16PM0.39m | 5:55AM0.42m | 5:27PM0.34m | 6:21AM0.38m | 5:00PM0.29m | 7:24AM0.33m | 2:42AM0.29m | |||||||
Low Tide | 10:24PM-0.00m | 10:47AM0.10m | 10:46PM0.03m | 11:12AM0.13m | 11:06PM0.08m | 11:37AM0.17m | 11:22PM0.13m | 12:04PM0.21m | 11:31PM0.17m | 12:41PM0.26m | 11:06PM0.22m | 8:17PM0.22m | |||||||
— | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — | |
— | — | 6:20 | — | — | 6:20 | — | — | 6:20 | — | — | 6:19 | — | — | 6:19 | — | — | 6:17 | — | |
mm | — | — | 1 | 11 | 1 | — | — | — | — | — | — | — | 6 | 3 | 2 | 8 | 1 | — | — |
Temp °C | 26 | 28 | 28 | 26 | 28 | 29 | 27 | 29 | 29 | 27 | 29 | 29 | 26 | 28 | 28 | 26 | 28 | 29 | 26 |
Feels °C | 27 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 27 | 28 | 28 | 28 | 28 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | SSE 11 | SSE 10 | SSW 22 | SSW 18 | SSW 19 | SSW 19 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | S 14 | S 13 | S 15 | S 15 | S 14 |
256 | 202 | 887 | 1182 | 3961 | 3757 | 3393 | 2296 | 1761 | 3228 | 2523 | 2054 | 1460 | 1121 | 938 | 564 | 1297 | 1466 | 1014 | |
Swell 2 Height (m) Direction Period (s) | SW 13 | W 9 | SSE 10 | SSW 21 | SSE 10 | SSE 10 | SSE 9 | S 19 | S 18 | S 12 | WNW 11 | W 10 | WNW 10 | W 10 | S 19 | S 17 | S 18 | W 8 | S 24 |
87 | 87 | 160 | 1311 | 107 | 80 | 56 | 1026 | 1615 | 221 | 23 | 50 | 37 | 51 | 252 | 839 | 301 | 36 | 97 | |
Swell 3 Height (m) Direction Period (s) | SW 24 | SSW 22 | SSW 16 | SSE 10 | SW 12 | — | SSE 9 | SE 9 | — | — | — | — | S 24 | S 20 | W 10 | W 9 | W 9 | S 26 | S 24 |
87 | 415 | 102 | 111 | 37 | — | 56 | 39 | — | — | — | — | 11 | 74 | 47 | 41 | 39 | 13 | 97 | |
Wind waves Height (m) Direction Period (s) | WSW 6 | WSW 6 | WSW 6 | W 6 | W 6 | W 6 | W 9 | W 9 | W 6 | W 6 | W 6 | W 6 | W 6 | WSW 6 | WSW 6 | WSW 6 | W 6 | W 6 | WSW 5 |
113 | 93 | 109 | 154 | 176 | 170 | 288 | 225 | 117 | 132 | 167 | 184 | 176 | 150 | 126 | 101 | 82 | 60 | 81 | |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 175 | 174 | 895 | 175 | 167 | 174 | 395 | 167 | 174 | 175 | 167 | 175 | 175 | 174 | 895 | 175 | 174 | 176 | 175 |
Best forecast wave conditions in West Sri Lanka | |||||||||||||||||||
Best forecast wave conditions in Sri Lanka | |||||||||||||||||||
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Information about the Dondra Surf forecast
The above surf forecast table for Dondra provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Dondra can be found by selecting the local surf guide option on the grey menu. Our Dondra 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 (Dondra) 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 Dondra 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.
Dondra is 8 km (5 miles) from Matara. If you plan a holiday in West Sri Lanka, look for hotels and other accommodation in Matara. Matara has rooms for a wide range of budgets as well as car hire and transport links.











