
Surf Forecasts:
Main Reef (Hikkaduwa) surf forecast from 7 Sep 2026:
- Most powerful swell: Saturday 12 Sep, 2PM (local time) - 6ft (1.9m), 17s period, SW swell with 2,054 kJ wave energy.
Best Forecast Surf Conditions for Main Reef (Hikkaduwa) this week:
The most powerful waves expected at Main Reef (Hikkaduwa) in the next 16 days are 1.9m 17s and forecast to arrive on Saturday (Sep 12) at 2PM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (+0530) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 2PM (Sat 12th Sep) | 6ft (1.9m) 17s |
Table - best surf conditions forecast for Main Reef (Hikkaduwa) over the next 16 days.
The Lowdown
Alright, surfers, Rusty here. Let's be honest with you, looking at this stretch ahead for Main Reef. We've got a bit of a wait on our hands. The good oil is you don't need to rush for a board just yet. The first few days are looking pretty grim, and we're talking about a run of poor conditions that stretches from now until the end of the first week and beyond.
The issue isn't a lack of swell, it's what's happening with it. From the 7th through the 9th, we're looking at weak energy (242 to 425) with messy, short-period swell. The wind is all over the shop, mostly onshore, and there are thunderstorms about – not exactly a recipe for a clean session. The water's about 84°, which is a touch warmer than normal for this time of year, so at least you won't need a thick suit while you're sitting there watching the closeouts.
Things start to get a bit more interesting around the 10th and 11th. The swell does start to fill in, with the energy jumping to over 1000 on the 10th and hitting a solid 1889 on Friday the 11th with a 21-second period. That's some proper long-period groundswell, which usually means some real power. But the direction is cross-onshore, and the forecast still has it as poor surf. The period dropping back to 14 seconds by Friday arvo and the consistent onshore breeze will just keep it lumpy.
Honestly, there's a stretch here where the models are showing some serious size but the quality is just missing. From the 12th to the 14th, we see 6ft to 6ft of SW swell with strong energy readings (2068 to 2228), but the wind is on it every day and it's all forecast as poor. It’s going to be a big, raw ocean rather than a surfable wave. Unless you’re a glutton for punishment, I wouldn't bother.
Then there's a dip in quality on the 15th as the swell period collapses to just 8 seconds, a real junky, short-period windswell. The following week, from the 16th through to the 22nd, is more of the same – moderate to fresh onshore winds, stormy conditions, and surf that never quite lines up. There are moments of size, like the 7ft on the 18th and 6ft on the 20th, but with those winds, it's just going to be messy. The energy is there, but it’s all being blown flat and chopped up.
So, what's the standout? It has to be the stretch on Friday the 11th. Even though the forecast calls it poor, you've got that 21-second period and 3ft of swell in the morning, with combined energy at 1889. That's a lot of water moving for a reef break. The problem is the onshore wind. If the wind happens to swing offshore to that ENE we need, Main Reef (Hikkaduwa) could fire with some long, grinding walls. But that's a big if. It's the one moment where the ocean has the potential to overcome its own messiness. But with the wind as forecast, I'd say this one is for the dedicated locals who know every bump and channel.
The final week is a waiting game. The conditions stay poor and the onshores don't let up. It's not ideal, and there are no hidden gems in this forecast. We just have to wait for the weather pattern to break, and when it does, this place will turn on.
Stay patient, keep the board waxed, and keep an eye on that wind. This stretch looks more like a kite-surfing show with all that onshore blow, not a paddling one.
Rusty.
Short Range ForecastHeavy rain (total 55mm), heaviest during Tue night. Warm (max 29°C on Mon afternoon, min 26°C on Wed night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 57mm), heaviest during Fri night. Warm (max 29°C on Thu afternoon, min 26°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Mon 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | ||||||||||||||
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) | S 10 | SW 18 | SW 16 | SW 16 | SSW 15 | SW 15 | SW 14 | SSW 17 | SW 18 | SSW 17 | SW 16 | SW 21 | SSW 14 | SW 19 | SW 18 | SW 17 | SW 17 | SW 16 | SW 15 | SW 15 |
Wave Graph | ||||||||||||||||||||
96 | 255 | 268 | 268 | 279 | 255 | 164 | 360 | 895 | 963 | 1031 | 880 | 796 | 1491 | 1904 | 2030 | 1524 | 1101 | 967 | 773 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | cross-on | on | on | cross-on | on | on | on | on | on | on | on | on | on | on | on |
High Tide | 1:06AM0.40m | 12:57PM0.54m | 1:29AM0.49m | 1:26PM0.59m | 1:54AM0.56m | 1:52PM0.62m | 2:19AM0.62m | 2:17PM0.63m | 2:44AM0.67m | 2:42PM0.63m | 3:09AM0.69m | 3:06PM0.62m | 3:33AM0.69m | |||||||
Low Tide | 7:14PM0.19m | 6:37AM0.21m | 7:26PM0.12m | 7:17AM0.14m | 7:45PM0.06m | 7:49AM0.09m | 8:07PM0.01m | 8:19AM0.06m | 8:29PM-0.02m | 8:47AM0.04m | 8:51PM-0.04m | 9:13AM0.04m | 9:13PM-0.03m | |||||||
— | — | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — | 6:00 | — | — | |
6:13 | — | — | 6:13 | — | — | 6:12 | — | — | 6:12 | — | — | 6:10 | — | — | 6:10 | — | — | 6:09 | — | |
mm | 1 | 4 | 1 | 4 | 20 | 11 | 8 | 6 | — | — | 5 | 5 | 4 | 13 | 5 | 5 | 13 | 7 | 3 | 12 |
Temp °C | 29 | 28 | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 29 | 27 | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 27 |
Feels °C | 31 | 31 | 30 | 29 | 29 | 30 | 29 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 29 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 9 | S 9 | SSW 15 | S 10 | S 10 | SSW 17 | SW 18 | SSW 17 | SW 16 | SSW 15 | SSW 14 | SW 19 | SW 18 | SW 17 | SW 17 | SW 16 | SW 15 | SW 15 |
96 | 88 | 106 | 111 | 279 | 116 | 90 | 360 | 895 | 963 | 1031 | 840 | 796 | 1491 | 1904 | 2030 | 1524 | 1101 | 967 | 773 | |
Swell 2 Height (m) Direction Period (s) | W 10 | SW 18 | SW 16 | SW 16 | S 10 | SW 15 | SW 14 | W 5 | S 10 | S 9 | SW 24 | SW 21 | WSW 6 | SSW 16 | SSE 9 | SSE 9 | SSE 10 | S 21 | SSW 20 | SSW 18 |
92 | 255 | 268 | 268 | 116 | 255 | 164 | 25 | 92 | 43 | 197 | 880 | 72 | 933 | 29 | 56 | 18 | 9 | 75 | 251 | |
Swell 3 Height (m) Direction Period (s) | SW 14 | W 8 | W 8 | W 8 | W 8 | W 7 | SSW 18 | S 10 | W 7 | W 7 | SSE 10 | SE 9 | SW 21 | W 14 | — | — | — | S 21 | SSW 20 | SE 9 |
47 | 22 | 20 | 20 | 20 | 17 | 127 | 102 | 9 | 9 | 34 | 84 | 543 | 16 | — | — | — | 9 | 128 | 38 | |
Wind waves Height (m) Direction Period (s) | W 4 | W 4 | W 5 | W 5 | WSW 5 | W 5 | W 5 | W 5 | W 6 | WSW 6 | WSW 6 | W 6 | W 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 |
7 | 9 | 23 | 23 | 45 | 37 | 34 | 34 | 33 | 40 | 50 | 85 | 96 | 84 | 135 | 142 | 167 | 112 | 89 | 122 | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 736 | 63 | 333 | 736 | 213 | 212 | 858 | 213 | 213 | 642 | 213 | 213 | 858 | 213 | 212 | 213 | 213 | 212 | 213 | 213 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||
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Information about the Main Reef (Hikkaduwa) Surf forecast
The above surf forecast table for Main Reef (Hikkaduwa) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Main Reef (Hikkaduwa) can be found by selecting the local surf guide option on the grey menu. Our Main Reef (Hikkaduwa) 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 (Main Reef (Hikkaduwa)) 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 Main Reef (Hikkaduwa) 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.
Main Reef (Hikkaduwa) is 4 km (2 miles) from the city of Ambalangoda. If you plan a holiday in West Sri Lanka, look for hotels and other accommodation in Ambalangoda. Ambalangoda has rooms for a wide range of budgets as well as car hire and transport links.










