Inside Reef (Hikkaduwa) Surf Break

Lat Long: 6.15° N 80.09° E

Inside Reef (Hikkaduwa) Surf Forecast and Surf Report

Issued: 10 pm 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's Inside Reef (Hikkaduwa) sea temperature is
27.6° C
0.3° 

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 12 Aug 2026:

  • Most powerful swell: Tuesday 18 Aug, 5PM (local time) - 7.5ft (2.3m), 19s period, SSW swell with 3,757 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 19s and forecast to arrive on Tuesday (Aug 18) at 5PM. 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 Powerful 5PM (Tue 18th Aug)7.5ft (2.3m) 19s

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


The Lowdown

Alright folks, Rusty here with a look at what’s coming up.

Right off the bat, it’s a tough stretch for Inside Reef (Hikkaduwa). The first week is a write-off for decent waves. We’ve got storm risks and a constant moderate onshore or cross-onshore breeze at 12 mph from the west just chopping everything up. The swell’s there, but it’s a mess. From the 13th through the 15th, we’re looking at 3 to 4 ft of short-period slop from the south with poor conditions across the board. It’s not worth paddling out.

Things start to look a little different from the 17th of August onward. On Monday the 17th, we get a pulse of very long-period groundswell out of the SSW at 4 ft, with a period of 21 seconds. The combined energy jumps to 1600 (moderate). The wind is still cross-onshore, so it’s not clean, but that long period will offer some grunty, lined-up waves at this reef. It’s still marginal, though.

The best-looking window on offer, and the standout for this whole forecast, is Tuesday the 18th of August. Swell from the SSW builds to 7 ft - 8 ft with a period of 19 seconds and combined energy hitting a whopping 4220 (very strong). That’s a serious lump of water. This is expert territory given the size, but if you’re skilled and can handle a steep drop, the power is there. Problem is, the wind stays cross-onshore, keeping it choppy on the face. If you can deal with some texture, the swell direction (SSW) is fantastic for this break, which needs that southwest angle. It’s a reef break, so it will handle that long-period energy better than a sandbar.

The rest of that week runs a bit smaller, but still solid, with 7 ft of SSW swell holding through Wednesday and Thursday the 20th, though the overall quality is still flagged as marginal or poor due to that persistent westerly wind. Crowds *sometimes* turn up here, and on a week with consistent 6 ft+ groundswell, you can bet it’ll be busy.

After the 22nd, the swell slowly backs off into the 3 to 5 ft range, and the wind stays onshore or cross-onshore. The last few days from the 24th to the 28th are again marginal, with a few pulses of longer-period swell, but the wind never really clears out for that perfect, glassy session. Water temperature is about average for this time of year.

Overall, your best bet is to target Tuesday the 18th through Thursday the 20th for the biggest, most powerful SSW groundswell. It won't be perfect, but it’ll have the most push.

Rusty.

Short Range Forecast

Heavy rain (total 49mm), heaviest during Wed night. Warm (max 27°C on Thu morning, min 26°C on Wed night). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 2mm), mostly falling on Sat night. Warm (max 28°C on Sun morning, min 26°C on Sat night). Wind will be generally light.

Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
1
0
0
0
0
1
3
0
2
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
SSE
11
1.2
S
11
1.1
SSE
11
1
SSE
10
0.7
SW
16
0.7
SW
16
1.1
SSE
11
1.1
SSE
10
0.9
SSE
10
1.3
W
9
1.4
W
9
1.3
W
10
1.2
W
10
0.7
SSW
22
1.1
SSW
21
1.3
SSW
21
2.2
SSW
19
2.3
SSW
19
2.4
SSW
18
Wave Graph
Metric surfscale
Energy kJ
245
345
286
218
263
261
303
276
187
281
311
319
290
412
1042
1397
3650
3757
3393
Wind (km/h)
20
WSW
20
W
20
W
20
W
20
W
20
W
20
W
20
WNW
20
WNW
15
WNW
20
WNW
20
WNW
15
WNW
20
W
20
WNW
15
WNW
20
WNW
20
WNW
15
WNW
Wind State
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
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
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
4:24PM0.59m
5:04AM0.61m
4:47PM0.53m
Low Tide
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
10:29AM0.14m
10:33PM0.03m
10:56AM0.16m
10:55PM0.06m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
clear
<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>
6:23
6:23
6:22
6:22
6:22
6:22
 mm
11
5
4
10
3
2
9
5
2
Temp °C
26
27
27
26
27
27
26
27
27
26
28
28
26
28
28
26
28
28
26
Feels °C
28
28
28
28
29
27
28
29
28
29
30
29
29
29
29
29
29
29
29
  • Map Icons:
  • Break
  • 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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