Surf Forecasts:
Inside Reef (Hikkaduwa) surf forecast from 12 Aug 2026:
- Most powerful swell: Tuesday 18 Aug, 11AM (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 11AM. 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 | 11AM (Tue 18th Aug) | 7ft (2.2m) 19s |
Table - best surf conditions forecast for Inside Reef (Hikkaduwa) over the next 16 days.
The Lowdown
Alright, crew, Rusty here. Let's have a look at what's on the cards for the next couple of weeks. It ain't gonna be perfect, that's for sure, but there's a pulse in the water for the patient ones.
To be straight with you, the immediate outlook is pretty dismal. We're looking at a stretch of poor surf with lumpy, cross-onshore slop that's hard to get excited about. The trade-off is that the water is sitting at a normal 82° for this time of year, which means the temp is fine even if the waves aren't. You'll be dealing with moderate breezes and that messy, crumbly energy for the first few days, and that's going to make things tough going at Inside Reef (Hikkaduwa).
Now, here’s the thing. This isn't a time to be out there scratching for junk. It's a time to be patient. We've got a long gap here with nothing worth paddling out for, but the good news is the swell window is about to open up. Around the 18th, we see a real pulse of energy start to build. It's going to take a while to clean up, though. The wind will still be cross-onshore, and the sea surface will be chopped up. This will keep the quality down, even as the swell size climbs. For the 18th and 19th, we're looking at some solid 7ft to 8ft of SSW swell, but it's not going to be pretty. That's big enough to have some push, but the wind is going to wreck it. This is more of a powerful, unruly ocean than a surfable wave.
The real window, if you can call it that, opens up mid-week. On the 20th and 21st, the swell is still in the water but the wind starts to ease off a touch. It's not clean, but it's less chaotic. The combined energy is still strong, hitting values in the 1200-1400 range, but it's not the kind of stuff that will have you waxing up with a grin. It's a marginal call at best, with onshore winds and that constant bump. Around the 23rd, things start to fade, and we’re back to that poor quality stuff.
The standout, as far as this window goes, has to be the push from the 25th through the 27th. The swell is back up to a solid 6ft to 8ft from the SSW, and the energy is really cranking. The 25th and 26th are looking like the biggest, with wave energy in the 2400 to 2800 range, which is significant. The caveat is that the wind is still going to be on it, either light onshore or cross-onshore, so it's going to be a bit of a battle. This is definitely expert territory. Anything over 8ft is only for the experienced, and we're right on that edge. This isn't for the faint of heart or the weekend warrior. While the size is there, the clean conditions just aren't. It's powerful and raw, but it's not going to be a perfect, glassy day. It's got more of a kite-surfing vibe to it, to be honest, with the wind and the bump.
Listen, the long-range stuff looks promising but it's too far out to get a solid read on. In the second week, we're just looking at size and waiting for the wind to swing.
Stay tuned, stay patient. The ocean's waking up, even if it's grumpy about it.
Rusty.
Short Range ForecastHeavy rain (total 45mm), heaviest during Wed night. Warm (max 27°C on Wed afternoon, min 26°C on Wed night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 9mm), mostly falling on Sat afternoon. Warm (max 28°C on Sat afternoon, min 26°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Wed 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | ||||||||||||||
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 16 | W 9 | S 11 | SSE 11 | SSE 10 | SW 16 | SW 16 | SSE 11 | SSE 10 | SSE 10 | SSE 11 | W 9 | W 10 | W 10 | SSW 22 | SSW 21 | SSW 21 | SSW 19 | SSW 19 | SSW 18 |
Wave Graph | ||||||||||||||||||||
421 | 297 | 345 | 286 | 218 | 268 | 261 | 303 | 276 | 187 | 249 | 318 | 326 | 339 | 415 | 1042 | 1397 | 3650 | 3463 | 3393 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 2:36AM0.57m | 2:39PM0.67m | 3:07AM0.62m | 3:07PM0.68m | 3:38AM0.66m | 3:34PM0.67m | 4:08AM0.66m | 4:00PM0.64m | 4:36AM0.65m | 4:24PM0.59m | 5:04AM0.61m | 4:47PM0.53m | ||||||||
Low Tide | 8:36PM0.05m | 8:29AM0.09m | 9:00PM0.02m | 9:03AM0.08m | 9:24PM0.00m | 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 | |||||||
— | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | |
6:23 | — | — | 6:23 | — | — | 6:23 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | |
mm | 5 | 12 | 6 | 5 | 9 | 3 | 2 | 2 | 1 | 1 | 1 | — | — | 2 | 2 | 2 | 1 | — | — | 1 |
Temp °C | 27 | 26 | 27 | 27 | 26 | 27 | 27 | 26 | 27 | 28 | 26 | 28 | 28 | 26 | 28 | 28 | 26 | 28 | 28 | 26 |
Feels °C | 29 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 29 | 29 | 29 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | SSE 11 | SSE 11 | S 11 | SSE 11 | SSE 10 | SSE 11 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 11 | SSE 11 | SSE 11 | W 10 | SSE 10 | SSW 21 | SSW 21 | SSW 19 | SSW 19 | SSW 18 |
249 | 297 | 345 | 286 | 218 | 268 | 259 | 303 | 276 | 187 | 249 | 245 | 249 | 339 | 184 | 1042 | 1397 | 3650 | 3463 | 3393 | |
Swell 2 Height (m) Direction Period (s) | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SW 5 | SW 16 | SW 16 | SSW 15 | SW 15 | WNW 10 | SW 14 | SSW 14 | SW 14 | SSE 10 | SSW 22 | SSE 10 | SSW 18 | SSE 10 | SSE 10 | SSE 9 |
421 | 191 | 142 | 146 | 30 | 261 | 261 | 148 | 176 | 96 | 100 | 136 | 99 | 236 | 415 | 143 | 994 | 100 | 74 | 66 | |
Swell 3 Height (m) Direction Period (s) | WNW 8 | S 14 | S 20 | S 13 | SW 14 | S 19 | S 19 | S 18 | W 10 | SW 15 | S 26 | SW 26 | SW 24 | SW 13 | SW 13 | SSW 16 | SSE 10 | SW 12 | — | — |
101 | 104 | 30 | 56 | 47 | 188 | 176 | 156 | 65 | 176 | 13 | 26 | 22 | 87 | 44 | 100 | 111 | 37 | — | — | |
Wind waves Height (m) Direction Period (s) | WSW 6 | W 9 | W 6 | W 6 | W 8 | W 6 | W 6 | W 6 | W 7 | W 6 | W 6 | W 9 | W 10 | — | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 |
146 | 290 | 137 | 130 | 195 | 176 | 170 | 153 | 179 | 162 | 153 | 318 | 326 | — | 339 | 371 | 327 | 340 | 320 | 268 | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 1941 | 976 | 210 | 210 | 211 | 205 | 205 | 210 | 205 | 24 | 40 | 208 | 24 | 24 | 210 | 210 | 39 | 210 | 211 | 24 |
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.











