Surf Forecasts:
Inside Reef (Hikkaduwa) surf forecast from 18 Jul 2026:
- Most powerful swell: Monday 20 Jul, 5PM (local time) - 5.5ft (1.7m), 16s period, S swell with 1,564 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 1.7m 16s and forecast to arrive on Monday (Jul 20) at 5PM. 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 | 5PM (Mon 20th Jul) | 5.5ft (1.7m) 16s |
Table - best surf conditions forecast for Inside Reef (Hikkaduwa) over the next 16 days.
The Lowdown
G’day, Rusty here. Look, I’m gonna level with you straight up – this 16-day window for Inside Reef (Hikkaduwa) is a tough one to call. The forecast is a long, drawn-out affair of messy conditions. The southwest monsoon is hammering the coast, and for the most part, the wind is straight onshore from the west or cross-onshore, with a steady breeze of 9 to 16 mph. That’s going to put a chop on everything.
The water temp is sitting about average for this time of year, so no shock there.
We kick off Sunday, 19 July, and it’s all risk of thunderstorms. The swell is a weak 3ft from the SSW at a long 13 seconds, but with that 16 mph onshore wind, the wave energy is moderate at best (504). It’s labelled as poor surf, and I don’t see a single standout session in the first week. Monday the 20th gets a bit of size, with a 4ft to 6ft south swell, but it’s still cross-onshore and choppy. The energy jumps up (1902), but it’s a messy, marginal affair.
The whole first week is a bust. The second week, from 27 July onward, is more of the same: onshore wind, messy conditions, and a lot of thunderstorm risk. There’s a pulse of bigger swell on Friday, 1 August, with 6ft from the SSW, but it’s still onshore at 16 mph. The energy is strong (2443), but the quality is just poor. For a reef break like this, you need clean, offshore wind to make it shine, and we’re just not getting it.
Honestly, if you’re a kite surfer, this setup might look interesting. For a paddle surfer, there’s nothing here to get excited about. The crowds are only *sometimes* a problem, but that’s because the conditions are so ordinary. For a consistent, advanced reef break, this is a disappointing run. The only real hope is that the forecast can change, but as it stands, I’d save your energy.
Rusty.
Short Range ForecastHeavy rain (total 32mm), heaviest during Sat night. Warm (max 28°C on Sun morning, min 26°C on Sun night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 9mm), mostly falling on Thu morning. Warm (max 29°C on Wed morning, min 27°C on Tue night). Wind will be generally light. | ||||||||||||||||||
Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | ||||||||||||||
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 13 | SSW 13 | SSW 13 | SSW 13 | S 18 | S 16 | S 16 | S 15 | S 14 | SSW 14 | S 13 | S 13 | S 12 | SSW 12 | SSE 10 | SW 16 | SW 15 | SSE 10 | SSW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 277 | 242 | 285 | 303 | 759 | 1564 | 734 | 957 | 931 | 465 | 572 | 345 | 285 | 147 | 123 | 201 | 217 | 214 | 229 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | on | on | on | on | cross-on | cross-on | on |
High Tide | 5:13AM0.59m | 4:57PM0.59m | 5:50AM0.57m | 5:25PM0.53m | 6:30AM0.53m | 5:53PM0.47m | 7:16AM0.49m | 6:20PM0.40m | 8:24AM0.45m | 6:51PM0.33m | 10:19AM0.43m | 10:43PM0.29m | |||||||
Low Tide | 10:49PM0.05m | 10:57AM0.19m | 11:17PM0.07m | 11:33AM0.22m | 11:45PM0.10m | 12:12PM0.26m | 00:14AM0.14m | 1:03PM0.29m | 00:48AM0.18m | 2:53PM0.31m | 1:41AM0.21m | 7:10PM0.26m | 4:00AM0.23m | ||||||
 |  | | | | | | |  |  | |  | | | |  | | | | |
 | — | 6:01 | — | — | 6:01 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — |
 | — | — | 6:28 | — | — | 6:28 | — | — | 6:28 | — | — | 6:28 | — | — | 6:28 | — | — | 6:28 | — |
mm | 5 | 4 | 4 | 6 | 4 | 3 | 5 | 1 | — | — | — | — | 3 | 4 | 1 | — | 1 | — | — |
Temp °C | 27 | 28 | 28 | 27 | 28 | 27 | 27 | 28 | 28 | 27 | 29 | 29 | 27 | 28 | 28 | 27 | 29 | 29 | 27 |
Feels °C | 29 | 29 | 29 | 29 | 29 | 28 | 29 | 29 | 29 | 30 | 31 | 30 | 29 | 30 | 30 | 30 | 31 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | SSW 13 | S 18 | S 16 | S 16 | S 15 | S 14 | SSW 14 | S 13 | S 13 | S 12 | SSW 12 | SSE 10 | SSE 10 | S 9 | SSE 10 | SSE 10 |
| kJ | 277 | 242 | 285 | 303 | 759 | 1564 | 734 | 957 | 931 | 465 | 572 | 345 | 285 | 147 | 123 | 163 | 180 | 197 | 186 |
Swell 2 Height (m) Direction Period (s) | WNW 9 | WNW 10 | WNW 10 | WNW 10 | SSW 13 | W 10 | W 10 | W 9 | W 9 | S 9 | W 9 | SSE 8 | WNW 10 | W 9 | W 9 | SW 16 | SW 15 | SW 14 | SSW 13 |
| kJ | 92 | 120 | 128 | 157 | 294 | 154 | 122 | 108 | 1 | 74 | 54 | 67 | 102 | 85 | 79 | 201 | 217 | 214 | 229 |
Swell 3 Height (m) Direction Period (s) | S 9 | S 8 | SSE 8 | S 8 | SSE 8 | W 10 | S 10 | W 9 | SE 8 | SW 18 | WNW 11 | W 8 | SW 16 | S 10 | SSW 11 | W 8 | W 8 | W 8 | WNW 10 |
| kJ | 54 | 34 | 38 | 66 | 90 | 92 | 94 | 2 | 10 | 12 | 25 | 33 | 41 | 90 | 71 | 52 | 34 | 33 | 41 |
Wind waves Height (m) Direction Period (s) | W 5 | W 6 | WSW 6 | W 6 | W 10 | W 6 | W 6 | W 6 | W 9 | W 9 | W 5 | W 5 | W 5 | W 5 | WNW 6 | W 5 | WNW 5 | WNW 6 | W 6 |
| kJ | 70 | 108 | 106 | 89 | 377 | 92 | 86 | 92 | 240 | 153 | 36 | 37 | 33 | 42 | 50 | 36 | 39 | 36 | 78 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 211 | 210 | 738 | 211 | 210 | 211 | 205 | 208 | 738 | 211 | 739 | 739 | 211 | 719 | 739 | 58 | 211 | 739 | 58 |
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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