Surf Forecasts:
Inside Reef (Hikkaduwa) surf forecast from 21 Aug 2026:
- Most powerful swell: Thursday 27 Aug, 11AM (local time) - 6ft (1.8m), 18s period, SSW swell with 1,952 kJ wave energy.
Best Forecast Surf Conditions for Inside Reef (Hikkaduwa) this week:
The most powerful waves expected at Inside Reef (Hikkaduwa) in the next 16 days are 1.8m 18s and forecast to arrive on Thursday (Aug 27) at 11AM. Winds are predicted to be onshore at the time the swell arrives.
| Wave Type | Time (+0530) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 11AM (Thu 27th Aug) | 6ft (1.8m) 18s |
Table - best surf conditions forecast for Inside Reef (Hikkaduwa) over the next 16 days.
The Lowdown
G’day, Rusty here. Look, I’ll be straight with you – this is a tough forecast for Inside Reef (Hikkaduva). We’re looking at a 16-day window that’s pretty much a write-off for decent paddle surfing. The issue is the wind. We’ve got a persistent moderate breeze from the west, blowing straight onshore or cross-onshore, turning what could be a fun swell into a messy, blown-out mess. The combined energy of all swells directed here is often in the very strong range, like 1322 (on Friday morning) and up to 3346 (on Tuesday 1st September), so there’s plenty of power in the water, but the wind is just ruining it. The water temperature is about 83°, which is pretty normal for the time of year, with the anomaly only 1° off.
Right, let’s walk through it. From Friday the 21st of August through the weekend, we’re seeing swell heights around 5ft to 6ft from the SSW and S, with long periods of 14 to 15 seconds, meaning proper groundswell energy. But the forecast is calling it “poor surf conditions” every single session, with a score of 0. The wind is mostly onshore, and on Saturday the 22nd and Sunday the 30th it’s cross-onshore and choppy. With the swell over 5ft and those conditions, this is more of a kite surfing setup than a paddle one.
The swell drops a bit on Monday the 24th to 3ft, but the period is even longer at 17 seconds, which is very long. This kind of groundswell is best for a point or reef, but the onshore wind still kills it. The pattern continues all the way through to the end of August – moderate swell, long periods, but always that onshore wind.
There is a small window of interest on Thursday the 27th of August. The morning brings a solid 6ft from the SSW with a very long period of 18 seconds, and the combined energy is a massive 2507. The afternoon session is rated “marginal” with a score of 1. Still, the wind is onshore, so it’s not clean. Towards the end of the first week of September, we start seeing some bigger numbers – 8ft on Tuesday 1st September, 7ft on the 31st of August – but again, the wind remains onshore. At over 8ft, that’s expert territory anyway, but the conditions won’t be making it any easier.
The best of the bunch, and I mean the only thing that gets a pulse, is the Thursday the 27th of August morning session. The swell is a solid 6ft from the SSW, period 18 seconds, giving you very long lines of groundswell at a reef break that’s fairly consistent. It’s advanced, so you’ll need to be on your game. The wind is onshore, so it’s going to be lumpy, but the sheer size and energy (2507) mean there will be some waves to be had if you’re desperate. The crowds can be an issue here sometimes, but with conditions this average, it might be quieter than usual.
After that, we’ve got a gap of several days where nothing is recommended. The forecasts can change, but right now, it’s looking like a blank run for this part of the coast.
Rusty.
Short Range ForecastModerate rain (total 12mm), heaviest on Fri morning. Warm (max 28°C on Fri morning, min 27°C on Fri morning). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 49mm), heaviest during Tue night. Warm (max 28°C on Mon afternoon, min 26°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | |||||||||||||||
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) | SSW 14 | S 14 | S 17 | S 15 | S 15 | S 14 | S 14 | S 13 | S 13 | SSW 17 | SSW 16 | S 15 | S 15 | SSW 14 | W 9 | SSW 16 | SSW 16 | SSW 15 | SSW 18 | SSW 17 | SSW 16 |
Wave Graph | |||||||||||||||||||||
1121 | 938 | 675 | 1275 | 1258 | 999 | 831 | 673 | 563 | 505 | 661 | 1074 | 978 | 549 | 287 | 724 | 620 | 773 | 1952 | 1148 | 1307 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-on | on | on | on | on | on | on | on | cross-on | on | on | on | on | on | on | on | on | on |
High Tide | 4:43PM0.34m | 8:50AM0.38m | 12:12PM0.42m | 1:13AM0.32m | 12:51PM0.48m | 1:27AM0.39m | 1:20PM0.55m | 1:48AM0.46m | 1:45PM0.60m | 2:10AM0.52m | 2:09PM0.64m | 2:33AM0.59m | |||||||||
Low Tide | 12:31PM0.29m | 11:48PM0.20m | 8:59PM0.24m | 7:45PM0.20m | 6:20AM0.23m | 7:44PM0.15m | 6:57AM0.18m | 7:54PM0.11m | 7:26AM0.14m | 8:09PM0.07m | 7:54AM0.11m | 8:26PM0.04m | |||||||||
6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | |
— | 6:21 | — | — | 6:21 | — | — | 6:20 | — | — | 6:20 | — | — | 6:19 | — | — | 6:19 | — | — | 6:19 | — | |
mm | 3 | 3 | 4 | — | — | — | — | 2 | — | 2 | 4 | 4 | 5 | 4 | 12 | 3 | 3 | 12 | 6 | 4 | 10 |
Temp °C | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 26 | 27 | 27 | 27 | 27 | 27 | 27 |
Feels °C | 29 | 29 | 29 | 28 | 29 | 29 | 29 | 28 | 29 | 28 | 29 | 29 | 28 | 28 | 27 | 28 | 28 | 29 | 29 | 28 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | S 14 | S 13 | S 15 | S 15 | S 14 | S 14 | S 13 | S 13 | S 12 | S 12 | S 15 | S 15 | SSW 14 | S 9 | SSW 16 | SSW 16 | SSW 15 | SSW 18 | SSW 17 | SSW 16 |
1121 | 938 | 653 | 1275 | 1258 | 999 | 831 | 673 | 563 | 344 | 409 | 1074 | 978 | 549 | 106 | 724 | 620 | 773 | 1952 | 1148 | 1307 | |
Swell 2 Height (m) Direction Period (s) | W 10 | W 9 | S 17 | S 18 | S 26 | SSW 24 | S 21 | S 20 | SSW 18 | SSW 17 | SSW 16 | WNW 11 | WNW 10 | S 9 | SSW 13 | WNW 9 | WNW 10 | SSW 19 | W 9 | S 13 | WNW 9 |
70 | 64 | 675 | 155 | 13 | 108 | 332 | 373 | 422 | 505 | 661 | 90 | 104 | 106 | 232 | 90 | 96 | 651 | 79 | 335 | 80 | |
Swell 3 Height (m) Direction Period (s) | S 22 | S 18 | E 7 | S 26 | S 26 | S 24 | WNW 11 | WNW 10 | WNW 10 | W 10 | W 10 | W 11 | W 10 | WNW 10 | SSW 18 | SSE 8 | SSW 12 | W 9 | WNW 9 | SSW 13 | SSE 8 |
36 | 248 | 1 | 13 | 13 | 173 | 12 | 11 | 33 | 49 | 50 | 35 | 48 | 98 | 207 | 55 | 155 | 60 | 206 | 135 | 55 | |
Wind waves Height (m) Direction Period (s) | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 5 | W 5 | W 6 | W 6 | WSW 5 | W 9 | WSW 5 | WSW 5 | W 9 | W 9 | W 9 | WSW 5 |
95 | 92 | 98 | 139 | 143 | 132 | 109 | 102 | 77 | 70 | 70 | 59 | 64 | 62 | 287 | 62 | 69 | 292 | 270 | 268 | 70 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 719 | 338 | 211 | 211 | 338 | 211 | 211 | 738 | 211 | 210 | 755 | 211 | 210 | 859 | 859 | 210 | 739 | 338 | 646 | 859 | 211 |
Best forecast wave conditions in West Sri Lanka | |||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | |||||||||||||||||||||
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Information about the Inside Reef (Hikkaduwa) Surf forecast
The above surf forecast table for Inside 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 Inside Reef (Hikkaduwa) can be found by selecting the local surf guide option on the grey menu. Our Inside 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 (Inside 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 Inside 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.
Inside Reef (Hikkaduwa) is 9 km (6 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.











