
Surf Forecasts:
Inside Reef (Hikkaduwa) surf forecast from 5 Sep 2026:
- Most powerful swell: Saturday 12 Sep, 8PM (local time) - 6ft (1.9m), 17s period, SSW swell with 2,196 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 1.9m 17s and forecast to arrive on Saturday (Sep 12) at 8PM. 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 | 8PM (Sat 12th Sep) | 6ft (1.9m) 17s |
Table - best surf conditions forecast for Inside Reef (Hikkaduwa) over the next 16 days.
The Lowdown
G’day, Rusty here. Gotta be straight with ya – the outlook for Inside Reef (Hikkaduwa) over the next sixteen days is a tough one to write. We’ve got swell, no doubt, but the winds are just not playing ball. The dominant southwesterly flow, which is onshore for this spot, is gonna keep most of these days messy and blown-out. The water temp is pretty average for the time of year, nothing unusual going on there. For an advanced reef break like this, anything over 8ft is expert-only, but we don’t quite hit that, though we get close. The real issue is the quality.
Starting off this Sunday the 6th, we’ve got a small 3ft south swell but it’s with a 9 mph onshore WSW breeze. Poor conditions. The energy is moderate, around 381, but it’s not worth paddling out. That pattern sticks through Monday and Tuesday – small swell, same onshore wind, and that combined energy sits in the moderate range (340 to 764). It’s all “poor surf conditions” in the data, and I’m not gonna sugarcoat it.
Midweek from Wednesday the 9th, the swell picks up a little, hitting 4ft by Thursday, with longer periods up to 18 seconds – that’s proper groundswell. The energy jumps to strong, sitting between 657 and 1443. But the wind stays onshore from the west, 16 to 16 mph, and on Thursday afternoon it goes cross-onshore, making it choppy. This reef needs clean conditions, and it ain’t getting them.
The following week, from around the 11th September onwards, the swell holds steady in the 5ft to 7ft range, with combined energy getting up into the very strong territory – 2229, 2460, even 2964 on Friday the 18th. That’s serious energy. The swell direction is consistently SSW to S, which is the optimum direction (SW) for this break, so it’s aligning perfectly. But the wind stays onshore or cross-onshore from the west, 16 to 19 mph, and we’ve got “poor surf conditions” written all over it. The period is long, 15 to 18 seconds, which would normally mean powerful, well-shaped waves on a reef, but without offshore wind it’s just a messy, blown-out lump.
Even by the last few days, Sunday the 20th and Monday the 21st, the swell drops back to 6ft to 5ft, but the onshore flow continues. There’s not a single day in this whole sixteen-day window where the wind goes offshore or even light enough to make this break work.
Honestly, there’s just no standout session here. The ocean’s got the power, but the wind’s got the say. If you’re a local who knows the reef at its best, you’d be better off waiting for a break in this westerly pattern. This setup looks more interesting for kite surfing than paddle surfing, with that strong onshore flow and decent swell. Keep an eye on the forecasts – it tends not to stay poor for long around here.
Rusty.
Short Range ForecastHeavy rain (total 34mm), heaviest during Mon night. Warm (max 28°C on Sat night, min 26°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 55mm), heaviest during Tue night. Warm (max 28°C on Wed morning, min 26°C on Tue night). Wind will be generally light. | ||||||||||||||||||
Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | ||||||||||||||
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) | S 10 | S 10 | SSE 10 | SSE 10 | S 10 | SSE 10 | SSW 18 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSE 11 | SSW 17 | SSW 18 | SSW 17 | SSW 16 | SSW 15 | SSW 14 | SW 19 |
Wave Graph | |||||||||||||||||||
200 | 196 | 176 | 163 | 196 | 163 | 280 | 412 | 334 | 275 | 268 | 275 | 404 | 1015 | 1148 | 1150 | 996 | 956 | 1535 | |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | on | on | on | on | on | on | on | on | on | cross-on | on | cross-on | on | cross-on | on | cross-on |
High Tide | 10:27AM0.41m | 1:06AM0.30m | 12:16PM0.48m | 1:02AM0.40m | 12:52PM0.54m | 1:24AM0.49m | 1:22PM0.60m | 1:50AM0.58m | 1:49PM0.64m | 2:16AM0.65m | 2:15PM0.66m | 2:42AM0.69m | |||||||
Low Tide | 11:29PM0.21m | 7:27PM0.24m | 5:23AM0.27m | 7:10PM0.18m | 6:35AM0.20m | 7:25PM0.12m | 7:16AM0.15m | 7:45PM0.07m | 7:49AM0.11m | 8:06PM0.03m | 8:18AM0.08m | 8:28PM0.00m | |||||||
— | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — | |
— | — | 6:14 | — | — | 6:13 | — | — | 6:13 | — | — | 6:12 | — | — | 6:12 | — | — | 6:10 | — | |
mm | 2 | — | — | 5 | 1 | 2 | 13 | 6 | 5 | 15 | 5 | 4 | 6 | 3 | 2 | 9 | 6 | 5 | 12 |
Temp °C | 28 | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 27 | 27 |
Feels °C | 31 | 31 | 30 | 29 | 31 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 29 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | SSE 10 | SSE 10 | S 10 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 10 | SSE 10 | SSE 11 | SSE 10 | SSW 18 | SSW 17 | SSW 16 | SSW 15 | SSW 14 | SSW 16 |
200 | 196 | 150 | 163 | 196 | 163 | 143 | 188 | 232 | 242 | 221 | 275 | 216 | 1015 | 1148 | 1150 | 996 | 956 | 1040 | |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 15 | WNW 8 | W 11 | W 10 | SSW 18 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 17 | SSE 10 | SSE 9 | SE 9 | SW 21 | SW 21 | SW 19 |
133 | 137 | 176 | 22 | 57 | 50 | 280 | 412 | 334 | 275 | 268 | 257 | 404 | 161 | 108 | 65 | 898 | 467 | 1535 | |
Swell 3 Height (m) Direction Period (s) | SSW 16 | W 9 | S 12 | SSW 16 | SSW 14 | SSW 19 | SSW 13 | SW 12 | WNW 8 | SSW 18 | SSW 18 | SSW 18 | SW 13 | SSE 14 | SW 25 | SW 24 | SE 9 | SSE 10 | SSE 10 |
196 | 42 | 69 | 81 | 78 | 146 | 60 | 39 | 22 | 102 | 126 | 182 | 183 | 41 | 95 | 273 | 38 | 61 | 86 | |
Wind waves Height (m) Direction Period (s) | WSW 4 | WNW 4 | W 4 | WSW 4 | W 4 | W 5 | W 10 | W 9 | W 5 | W 5 | W 5 | W 5 | W 5 | W 6 | W 6 | W 6 | W 7 | W 7 | W 6 |
8 | 6 | 6 | 14 | 9 | 10 | 117 | 125 | 27 | 29 | 43 | 43 | 51 | 86 | 92 | 187 | 297 | 220 | 215 | |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 24 | 738 | 738 | 24 | 646 | 738 | 646 | 646 | 743 | 211 | 646 | 859 | 211 | 211 | 646 | 211 | 208 | 739 | 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.










