Inside Reef (Hikkaduwa) Surf Break

Lat Long: 6.15° N 80.09° E

Inside Reef (Hikkaduwa) Surf Forecast and Surf Report

Issued: 4 pm 10 Aug 2026 (local time)

Forecast update in  hr  min

Today's Inside Reef (Hikkaduwa) sea temperature is
27.7° C
0.4° 

Inside Reef (Hikkaduwa) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Inside Reef (Hikkaduwa) surf forecast from 10 Aug 2026:

  • Most powerful swell: Monday 17 Aug, 11PM (local time) - 4.5ft (1.4m), 20s period, SSW swell with 1,408 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 1.4m 20s and forecast to arrive on Monday (Aug 17) at 11PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (+0530) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful11PM (Mon 17th Aug)4.5ft (1.4m) 20s

Table - best surf conditions forecast for Inside Reef (Hikkaduwa) over the next 16 days.


The Lowdown

Alright, Rusty here. Let’s talk about what’s cooking for the Hikkaduwa area over the next couple of weeks.

Right off the bat, I gotta be straight with you – the start of this outlook is a tough one. We’ve got a solid window where the conditions are just messy. There’s a bit of swell around, but the wind is almost always a problem, mostly cross-onshore, and there’s a lot of stormy weather in the mix. The first recommendation we get is for Inside Reef (Hikkaduwa) on Monday afternoon, but it’s a marginal call at best. The swell is a clean-faced 6 ft out of the South, and the water temp is 82°, which is pretty standard for this time of year. The problem is a moderate onshore breeze and the risk of thunderstorms. The combined swell energy feels moderate at 1996, but the conditions are just too messy to call it a winner.

The next week is a real grind. From Tuesday the 11th all the way through to Sunday the 17th, it’s one poor forecast after another. The swell hangs around, sometimes pushing 6 ft, but that cross-onshore wind – mostly from the West or WNW at 12-16 mph – is just wrecking any chance of clean waves. The swell periods vary, but that onshore wind is the killer. There are a few days with a hint of a better window, like Thursday morning the 13th with a 4 ft SSE swell, but the forecast says “poor surf conditions.” The combined energy drops into the 600s and 700s at times, which is weak, and the wind keeps it choppy. This is a classic case of a location that just isn't working with the wind we've got.

Now, the second week starts to look more interesting, but it comes with a big caveat. Around Monday the 17th, we see that very long period swell start to show up – a 3 ft swell from the SSW with a period of 21 seconds. That's a groundswell, and it’s packing energy (1257). But it’s still cross-onshore, so the quality is going to be average at best. The real standout window looks like it could be Tuesday the 18th and Wednesday the 19th. We’re looking at a solid 7 ft SSW swell on Tuesday morning, with a period of 19 seconds and combined energy jumping to a strong 3993. That’s a lot of water moving. The wind is still stubbornly cross-onshore from the WNW, but the energy is undeniable. This is definitely expert territory – 7 ft on a reef with onshore wind is not for the faint of heart. Wednesday the 19th holds similar size at 7 ft, but the wind remains an issue.

For the daily surfer, if you had to pick a moment, that window from Monday afternoon (17th) through Tuesday and Wednesday (18th-19th) has the most potential for power, even if it’s not clean. The swell direction from the SSW is a good angle for Inside Reef. The crowds here can be an issue sometimes, but with the conditions being marginal and the wind messy, you might find a bit more room than usual. If you're a strong paddler who doesn't mind a bit of chop for the sake of a long-period groundswell, that’s your target. After Wednesday the 20th, the swell starts to ease a little, but we still see 5 ft to 7 ft pulses through to the end of the month, always with that same onshore or cross-onshore wind. The setup is stubbornly the same: plenty of swell, but the wind just won’t cooperate for that clean, glassy session we’re all after.

Look, it’s not a classic forecast. The wind is the villain here. But if you’re hungry for size and power, that mid-to-late-August window has some serious grunt. Stay safe out there.

Rusty.

Short Range Forecast

Heavy rain (total 43mm), heaviest during Tue night. Warm (max 27°C on Mon afternoon, min 26°C on Mon night). Wind will be generally light.

Days 5-7 Weather Summary

Heavy rain (total 20mm), heaviest during Thu night. Warm (max 27°C on Thu afternoon, min 26°C on Thu night). Wind will be generally light.

Mon
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
0
1
1
1
0
1
0
0
0
0
0
0
0
0
0
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.7
S
14
1.2
S
11
1.3
S
19
1.1
S
18
1.2
S
18
1.3
W
10
1
S
16
1
SSE
10
1.2
SSE
11
1.2
SSE
11
1
SSE
10
0.7
SW
16
1.1
SSE
11
1.8
W
8
1.9
W
7
1.7
W
7
1
SSE
11
1.4
W
9
1.4
W
9
1.3
W
10
Wave Graph
Metric surfscale
Energy kJ
1147
366
1277
777
871
325
516
222
356
337
218
261
303
377
392
290
249
318
332
320
Wind (km/h)
20
W
15
W
20
W
20
W
15
WSW
15
W
15
W
10
WSW
20
W
20
W
15
W
20
W
20
W
20
W
25
WNW
20
WNW
20
W
20
WNW
20
WNW
15
W
Wind State
on
on
on
on
on
on
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
High Tide
1:28AM0.41m
1:37PM0.61m
2:03AM0.49m
2:09PM0.65m
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
Low Tide
7:48PM0.14m
7:09AM0.14m
8:12PM0.09m
7:53AM0.10m
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
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:03
6:03
6:03
6:03
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:24
6:24
6:23
6:23
6:23
6:22
6:22
 mm
4
8
3
4
10
3
2
6
3
2
6
3
2
5
1
1
2
2
Temp °C
27
26
27
27
26
27
27
26
27
27
27
27
27
26
27
27
26
27
27
26
Feels °C
29
29
29
28
29
29
28
29
28
28
30
28
27
28
27
27
29
29
28
29
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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