Surf Forecasts:
Inside Reef (Hikkaduwa) surf forecast from 15 Aug 2026:
- Most powerful swell: Tuesday 18 Aug, 8AM (local time) - 7ft (2.2m), 19s period, SSW swell with 3,650 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 2.2m 19s and forecast to arrive on Tuesday (Aug 18) at 8AM. 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 | 8AM (Tue 18th Aug) | 7ft (2.2m) 19s |
Table - best surf conditions forecast for Inside Reef (Hikkaduwa) over the next 16 days.
The Lowdown
Right then, let's have a look at the charts for the Hikkaduwa area. We're tuning into Inside Reef (Hikkaduwa) – a solid reef break that needs a fair bit of experience under your belt to handle what it dishes out.
Honestly, mate, the next sixteen days are a tough watch. The forecast is pretty grim for most of it, so don't get your hopes up for a decent paddle. From Saturday the 15th all the way through to the end of the month, the wind is a persistent problem. It's blowing from the west and west-north-west at a steady 12 to 16 mph, which means it's almost always cross-onshore or straight onshore. That's going to put a chop on the surface and mess with the shape. The combined swell energy kicks off around 703 and stays in the three-digit moderate range for a while, but that doesn't matter much when the wind is ruining it.
The real kicker is the swell direction. The guidance here shows this spot is best with a southwest swell, and we do get plenty of that – mostly from the SSW and S. The problem is the quality. For days and days, the comment on the forecast is "poor surf conditions." There's a brief flicker on Monday the 17th afternoon – the swell jumps to 3.3ft from the SSW with a very long period of 22 seconds – and the energy hits 1221. That's a moderate wave energy, and that extra-long period from a groundswell can mean proper shape, but it's still cross-onshore and labeled as marginal. That's the only real tease in the whole run.
As we head into the second week, the swell gets bigger. On Tuesday the 18th, we're looking at 7.2ft from the SSW with a period of 19 seconds and the energy jumps to a strong 3943. But again, the wind is cross-onshore, and it's still rated as poor. The same story repeats Wednesday the 19th (6.9ft), Thursday the 20th (6.6-6.9ft), and it just keeps going. The last couple of days, Saturday the 29th and Sunday the 30th, show the biggest numbers – 7.9ft and 8.2ft from the SSW with energy readings of 4855 and 4714 – that's very strong wave energy. For a reef break, that's expert territory, especially with that onshore or cross-onshore wind making it lumpy and dangerous.
There isn't a single standout day in this window that I'd feel good about calling a winner. The persistent wind kills every session. If you're a kitesurfer, that steady 12-16 mph west wind and the solid swell could make for a far more interesting setup than anything a paddle surfer would enjoy. For the rest of us, this is a long stretch of nothing much that's worth paddling out for. The water temp is sitting at 82°F with a tiny anomaly of 0.7°, so about average for the time of year, but you'll barely feel it through the frustration.
Stay patient, mate. Forecasts can change.
Short Range ForecastHeavy rain (total 57mm), heaviest during Sat morning. Warm (max 28°C on Sat afternoon, min 26°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 20mm), heaviest during Thu night. Warm (max 28°C on Tue morning, min 26°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | |||||||||||||||
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) | W 7 | W 7 | W 7 | W 7 | SSE 11 | SSE 11 | SSW 22 | SSW 22 | SSW 21 | SSW 19 | SSW 19 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | S 16 |
Wave Graph | |||||||||||||||||||||
286 | 303 | 271 | 222 | 206 | 198 | 415 | 896 | 2757 | 3650 | 3463 | 3393 | 2408 | 1896 | 2980 | 1968 | 2054 | 1349 | 1121 | 822 | 643 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | on | on | on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | on | cross-on | cross-on | cross-on |
High Tide | 3:34PM0.67m | 4:08AM0.66m | 4:00PM0.64m | 4:36AM0.65m | 4:24PM0.59m | 5:04AM0.61m | 4:47PM0.53m | 5:31AM0.56m | 5:05PM0.47m | 6:00AM0.50m | 5:13PM0.40m | 6:37AM0.43m | 4:43PM0.34m | ||||||||
Low Tide | 9:33AM0.09m | 9:48PM-0.00m | 10:02AM0.11m | 10:11PM0.01m | 10:29AM0.14m | 10:33PM0.03m | 10:56AM0.16m | 10:55PM0.06m | 11:23AM0.20m | 11:16PM0.10m | 11:52AM0.24m | 11:35PM0.15m | 12:31PM0.29m | 11:48PM0.20m | |||||||
6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | |
— | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:21 | — | |
mm | 9 | 2 | 6 | 4 | 5 | 5 | 4 | 9 | 13 | 2 | 2 | 2 | — | — | 2 | 2 | 2 | 8 | 3 | 2 | 5 |
Temp °C | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 27 |
Feels °C | 28 | 29 | 29 | 29 | 28 | 29 | 28 | 28 | 28 | 29 | 29 | 30 | 29 | 29 | 29 | 29 | 28 | 29 | 29 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | SSE 10 | SSE 10 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 10 | SSW 22 | SSW 21 | SSW 19 | SSW 19 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | S 13 |
236 | 152 | 249 | 202 | 206 | 198 | 152 | 896 | 2757 | 3650 | 3463 | 3393 | 2408 | 1896 | 2980 | 1968 | 2054 | 1349 | 1121 | 822 | 483 | |
Swell 2 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SW 14 | SSW 14 | SW 14 | SW 13 | WNW 9 | WNW 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | S 19 | S 18 | — | S 12 | W 9 | WNW 11 | W 10 | W 10 | S 16 |
146 | 146 | 100 | 136 | 99 | 87 | 118 | 120 | 111 | 75 | 72 | 49 | 760 | 1271 | — | 224 | 63 | 64 | 73 | 70 | 643 | |
Swell 3 Height (m) Direction Period (s) | WNW 10 | S 12 | S 26 | SW 26 | SW 24 | SW 24 | SSW 22 | SSE 10 | SSW 14 | SW 12 | — | — | W 9 | — | — | W 10 | — | SE 8 | — | S 18 | W 9 |
35 | 110 | 13 | 26 | 22 | 87 | 415 | 116 | 140 | 37 | — | — | 78 | — | — | 67 | — | 3 | — | 163 | 41 | |
Wind waves Height (m) Direction Period (s) | W 7 | W 7 | W 7 | W 7 | W 6 | W 6 | WSW 6 | WSW 6 | W 9 | W 6 | W 6 | W 9 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 |
286 | 303 | 271 | 222 | 176 | 156 | 121 | 89 | 327 | 181 | 163 | 270 | 113 | 158 | 164 | 144 | 112 | 132 | 120 | 116 | 92 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 205 | 211 | 211 | 210 | 859 | 211 | 210 | 338 | 755 | 205 | 211 | 211 | 205 | 210 | 211 | 210 | 859 | 211 | 211 | 859 | 338 |
Best forecast wave conditions in West Sri Lanka | |||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)
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.











