Surf Forecasts:
Inside Reef (Hikkaduwa) surf forecast from 24 Aug 2026:
- Most powerful swell: Monday 31 Aug, 8AM (local time) - 7.5ft (2.3m), 18s period, SSW swell with 3,323 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 2.3m 18s and forecast to arrive on Monday (Aug 31) 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 (Mon 31st Aug) | 7.5ft (2.3m) 18s |
Table - best surf conditions forecast for Inside Reef (Hikkaduwa) over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s have a look at what’s on offer for the Hikkaduwa stretch.
Honestly, this is a tough one. Over the entire 16-day run, there’s not a single moment I’d be grabbing my board and paddling out at Inside Reef (Hikkaduwa). The pattern is locked in – we’ve got persistent onshore and cross-onshore winds from the west and west-southwest, blowing at 12 to 19 mph, and a constant threat of thunderstorms. That’s a recipe for blown-out, messy conditions.
The only break on the radar is Inside Reef, an advanced-level reef setup that needs a good window of clean conditions to shine. The swell direction is mostly from the SSW, which is what this spot wants (optimum is SW). The combined swell energy gets strong, hitting three and four-digit numbers (e.g., 1026 up to 3461), so there’s definitely push in the water. But with the wind smashing straight onto it, the surf quality is consistently rated as poor.
On Monday the 24th, the morning shows a 3 ft SSW swell with a very long period of 17 seconds, but with a moderate onshore wind from the west and storm risks, it’s not worth a paddle. The water temperature is sitting at 83°, which is about average for this time of year, so nothing weird there.
Through the rest of the first week and into the second, the swell bounces around between 3 ft and 8 ft, with periods often over 15 seconds – that long-period groundswell energy is there, but the wind never lets up. By the end of August and start of September, the swell gets a bit bigger, with 8 ft on Monday the 31st combined with cross-onshore winds. That’s not surfable in a clean way – more like a washing machine. For a reef break, this is just ugly.
On the 6th of September, there’s a brief hint of lighter wind (9 mph) and clear skies in the afternoon, but the swell is small (4 ft) and the period is dropping to 13 seconds, and the wind is still onshore. The setup looks more interesting for a kite session than proper surfing.
There is a long blank run here – the entire 16-day window has no good recommendations. For this area, when the monsoon patterns lock in, that’s not unusual. The consistent onshore flow and storms just kill the quality. Don’t hold your breath; forecasts can shift, but right now, this is a complete write-off for paddle surfing.
Rusty.
Short Range ForecastHeavy rain (total 35mm), heaviest during Mon afternoon. Warm (max 28°C on Mon morning, min 27°C on Mon afternoon). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 77mm), heaviest during Thu afternoon. Warm (max 28°C on Thu morning, min 26°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | |||||||||||||||
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 17 | SSW 16 | S 15 | S 15 | S 14 | SSW 13 | SSW 16 | SSW 16 | SSW 15 | SSW 19 | SSW 17 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 19 | SSW 19 | SSW 18 | SSW 18 |
Wave Graph | |||||||||||||||||||||
505 | 661 | 1051 | 1108 | 802 | 232 | 715 | 525 | 657 | 2468 | 1189 | 1307 | 983 | 980 | 815 | 547 | 468 | 913 | 1288 | 1615 | 2189 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | cross-on | on | on | on | on | on | on | on | on | cross-on | on | cross-on | cross-on | on |
High Tide | 12:51PM0.48m | 1:27AM0.39m | 1:20PM0.55m | 1:48AM0.46m | 1:45PM0.60m | 2:10AM0.52m | 2:09PM0.64m | 2:33AM0.59m | 2:32PM0.67m | 2:56AM0.64m | 2:55PM0.67m | 3:20AM0.67m | 3:18PM0.66m | 3:46AM0.69m | |||||||
Low Tide | 7:44PM0.15m | 6:57AM0.18m | 7:54PM0.11m | 7:26AM0.14m | 8:09PM0.07m | 7:54AM0.11m | 8:26PM0.04m | 8:22AM0.08m | 8:45PM0.02m | 8:50AM0.07m | 9:05PM-0.00m | 9:18AM0.07m | 9:27PM-0.01m | ||||||||
6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | |
— | 6:20 | — | — | 6:19 | — | — | 6:19 | — | — | 6:19 | — | — | 6:17 | — | — | 6:17 | — | — | 6:16 | — | |
mm | 4 | 5 | 6 | 1 | 3 | 8 | 2 | 3 | 3 | 3 | 9 | 14 | 8 | 8 | 15 | 7 | 4 | 9 | 4 | 1 | 2 |
Temp °C | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 27 |
Feels °C | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 29 | 28 | 29 | 29 | 28 | 29 | 28 | 28 | 29 | 29 | 28 | 28 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | S 12 | S 12 | S 15 | S 15 | S 14 | SSW 13 | SSW 16 | SSW 16 | SSW 15 | SSW 19 | SSW 17 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 19 | SSW 18 | SSW 18 |
409 | 418 | 1051 | 1108 | 802 | 232 | 715 | 525 | 610 | 2468 | 1189 | 1307 | 983 | 980 | 815 | 547 | 468 | 418 | 1288 | 1615 | 2189 | |
Swell 2 Height (m) Direction Period (s) | SSW 17 | SSW 16 | WNW 10 | WNW 10 | WNW 10 | S 9 | WNW 9 | S 8 | SSW 19 | SSW 20 | SSE 9 | SSE 8 | SSE 8 | W 9 | W 8 | W 9 | W 8 | SSW 19 | S 12 | S 12 | S 11 |
505 | 661 | 115 | 102 | 96 | 108 | 82 | 64 | 657 | 507 | 106 | 92 | 85 | 55 | 51 | 54 | 52 | 913 | 290 | 299 | 118 | |
Swell 3 Height (m) Direction Period (s) | WNW 10 | S 12 | — | W 10 | SW 19 | WNW 9 | SSE 8 | SSW 12 | SSE 8 | — | WNW 9 | W 9 | W 9 | W 9 | ESE 8 | SW 20 | SSW 20 | W 8 | WNW 9 | W 8 | SW 12 |
32 | 141 | — | 47 | 15 | 86 | 73 | 155 | 47 | — | 79 | 54 | 56 | 57 | 6 | 100 | 267 | 37 | 25 | 34 | 71 | |
Wind waves Height (m) Direction Period (s) | W 6 | W 6 | W 5 | W 6 | WSW 5 | WSW 5 | W 5 | W 9 | W 9 | W 9 | W 5 | W 5 | W 6 | WSW 5 | W 5 | W 5 | W 5 | W 5 | W 6 | W 6 | W 6 |
80 | 82 | 71 | 61 | 60 | 66 | 55 | 185 | 234 | 225 | 59 | 83 | 77 | 81 | 46 | 37 | 54 | 69 | 83 | 69 | 82 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1369 | 1348 | 646 | 210 | 859 | 424 | 210 | 211 | 211 | 210 | 738 | 738 | 646 | 859 | 424 | 210 | 859 | 211 | 210 | 859 | 333 |
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.











