Surf Forecasts:
Inside Reef (Hikkaduwa) surf forecast from 19 Aug 2026:
- Most powerful swell: Wednesday 19 Aug, 11PM (local time) - 8ft (2.5m), 17s period, SSW swell with 3,377 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 2.5m 17s and forecast to arrive on Wednesday (Aug 19) at 11PM. 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 | 11PM (Wed 19th Aug) | 8ft (2.5m) 17s |
Table - best surf conditions forecast for Inside Reef (Hikkaduwa) over the next 16 days.
The Lowdown
Alright, Rusty here again. Let’s talk in feet and miles.
We’re looking at Inside Reef (Hikkaduwa) for the next 16 days.
Water temp is about 82°F, which is pretty average for this time of year in these parts—no anomaly to write home about.
Straight up, it’s a grim outlook. From Wednesday, August 19th, right through to the end of the month, the wind is mostly coming from the west at 12 to 16 mph, onshore or cross-onshore, and there are risk t-storms most days. That’s killing the quality. The swell is actually pumping—SSW groundswell running 5 to 8 ft, with periods from 14 to 18 seconds, and combined energy hitting between 1,000 and 4,607. But it’s all blown out and choppy.
There’s a brief window on Wednesday morning, August 26th—clearing skies, a light 9 mph offshore breeze from the west, 3 ft SSW groundswell at 16 seconds, and energy at 818. It’s clean but small. Not a proper standout.
The closest thing to a recommendation is Thursday morning, August 27th. You’ve got 6 ft SSW groundswell at 16 seconds, energy at 1,952, and the wind is onshore but lighter at 12 mph. It’s marginal, but for an advanced crew on a reef break, it’s the best of a rough week.
When the swell hits 8 ft on August 31st with cross-onshore wind, that’s strictly for experts who like a fight. For beginners, the swell is often over 5 ft, and the chop makes it a no-go.
To sum it up: No clean, fun sessions in this entire stretch. The wind is just too persistent. The 27th morning is your only real shot, and it’s not great. This is a quiet spell for the area—gaps like this happen. Don’t force it; wait for a better window.
Rusty.
Short Range ForecastHeavy rain (total 34mm), heaviest during Thu night. Warm (max 28°C on Wed morning, min 26°C on Wed night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 26mm), heaviest during Sat night. Warm (max 28°C on Sat morning, min 26°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | |||||||||||||||
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 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | S 14 | S 17 | S 15 | S 15 | S 14 | S 14 | S 13 | S 13 | SSW 17 | SSW 16 | S 15 | SSW 15 | SSW 14 | SSW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2408 | 1896 | 2980 | 1968 | 2054 | 1460 | 1121 | 938 | 675 | 1275 | 1258 | 1126 | 943 | 673 | 480 | 505 | 661 | 1037 | 857 | 714 | 232 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | cross-on |
High Tide | 5:05PM0.47m | 6:00AM0.50m | 5:13PM0.40m | 6:37AM0.43m | 4:43PM0.34m | 8:50AM0.38m | 12:12PM0.42m | 1:13AM0.32m | 12:51PM0.48m | 1:27AM0.39m | 1:20PM0.55m | 1:48AM0.46m | |||||||||
Low Tide | 11:23AM0.20m | 11:16PM0.10m | 11:52AM0.24m | 11:35PM0.15m | 12:31PM0.29m | 11:48PM0.20m | 8:59PM0.24m | 7:45PM0.20m | 6:20AM0.23m | 7:44PM0.15m | 6:57AM0.18m | 7:54PM0.11m | |||||||||
 | |  | | | | | | |  | | | | | | | | | | | | |
 | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — |
 | — | 6:22 | — | — | 6:22 | — | — | 6:21 | — | — | 6:21 | — | — | 6:20 | — | — | 6:20 | — | — | 6:19 | — |
mm | 2 | 1 | 6 | 2 | 2 | 11 | 4 | 2 | 4 | — | 1 | 5 | 3 | 2 | 5 | 2 | 2 | 6 | 5 | 2 | 5 |
Temp °C | 28 | 28 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 28 | 26 | 28 | 28 | 26 | 27 | 28 | 26 |
Feels °C | 29 | 29 | 29 | 28 | 29 | 29 | 28 | 27 | 30 | 29 | 29 | 30 | 29 | 29 | 29 | 30 | 29 | 29 | 29 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | S 14 | S 13 | S 15 | S 15 | S 14 | S 14 | S 13 | S 13 | S 12 | SSW 16 | S 15 | SSW 15 | SSW 14 | SSW 13 |
| kJ | 2408 | 1896 | 2980 | 1968 | 2054 | 1460 | 1121 | 938 | 564 | 1275 | 1258 | 1126 | 943 | 673 | 480 | 350 | 661 | 1037 | 857 | 714 | 232 |
Swell 2 Height (m) Direction Period (s) | S 19 | S 18 | W 9 | S 12 | W 10 | W 10 | W 10 | S 18 | S 17 | S 18 | S 26 | SSW 24 | S 21 | S 20 | SSW 18 | SSW 17 | S 12 | W 11 | S 10 | SW 19 | S 9 |
| kJ | 913 | 1455 | 54 | 224 | 67 | 74 | 49 | 248 | 675 | 155 | 13 | 108 | 332 | 373 | 422 | 505 | 344 | 55 | 117 | 15 | 106 |
Swell 3 Height (m) Direction Period (s) | W 9 | — | — | W 9 | — | S 24 | S 22 | W 9 | W 9 | S 26 | S 26 | S 24 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | S 12 | — | W 10 | W 10 | WNW 10 |
| kJ | 57 | — | — | 60 | — | 11 | 36 | 45 | 39 | 13 | 13 | 173 | 22 | 20 | 63 | 80 | 104 | — | 47 | 45 | 96 |
Wind waves Height (m) Direction Period (s) | W 6 | W 6 | WSW 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | WSW 5 | W 5 | W 10 | W 11 | W 10 | W 10 | WSW 5 |
| kJ | 102 | 111 | 106 | 110 | 105 | 127 | 143 | 119 | 102 | 139 | 115 | 89 | 83 | 74 | 62 | 59 | 233 | 272 | 234 | 219 | 48 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 210 | 338 | 211 | 210 | 210 | 211 | 210 | 210 | 211 | 210 | 338 | 211 | 211 | 738 | 738 | 210 | 738 | 211 | 210 | 338 | 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.
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