Inside Reef (Hikkaduwa) Surf Break

Lat Long: 6.15° N 80.09° E

Inside Reef (Hikkaduwa) Surf Forecast and Surf Report

Issued: 4 am 17 Aug 2026 (local time)

Forecast update in  hr  min

Today's Inside Reef (Hikkaduwa) sea temperature is
27.9° C
0.5° 

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 17 Aug 2026:

  • Most powerful swell: Tuesday 18 Aug, 8AM (local time) - 7ft (2.2m), 19s period, SSW swell with 3,688 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 2.2m 19s and forecast to arrive on Tuesday (Aug 18) at 8AM. 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 8AM (Tue 18th Aug)7ft (2.2m) 19s

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


The Lowdown

Alright, let’s get into it. The long-range picture for the next couple of weeks is a bit of a mixed bag, to be honest. We’ve got a solid window of swell coming, but the wind is going to be a constant battle, messing up a lot of what could be fun. There’s a real gap at the start where it’s just not worth paddling out. Let’s break it down.

The only spot really in the game for this whole period is Inside Reef (Hikkaduwa). It’s an advanced reef break that’s fairly consistent. The water temp is sitting at 82°, which is right about normal for this time of year. So no worries about needing a thicker wetsuit.

For the first few days, we’re looking at a frustrating mix. It’s small with an onshore wind. On Monday the 17th, we’ve got a weak 2ft SSW swell with a long 22-second period, but the WSW wind at 12 mph is straight on, making it a poor surf call. The energy is weak at 966. That’s a definite no-go. Tuesday the 18th brings a bit more size, jumping to 7ft, but it’s cross-onshore and choppy under a moderate breeze. The energy is moderate at 3985, but the quality is just poor. This pattern of onshore and cross-onshore winds, mixed with storm risk, is going to stick with us for a while.

We’re going to see a real doldrum period from the 19th through the 23rd. The swell dips, with heights around 5ft to 6ft, and the wind is just never favorable. It’s mostly cross-onshore and the surf quality is rated as poor or marginal. This is a stretch where you're better off finding something else to do. There’s a slight window on the afternoon of the 22nd where the wind drops to a gentle breeze, but it's still cross-onshore, so it’s not going to be clean. It’s a waiting game.

The following week, from the 24th through to the end of the month, the swell drops off a touch more. We're looking at 3ft to 5ft SSW swells. The winds stay mostly cross-onshore and onshore. There are a few days where the period stretches out again, like on the 24th with an 18-second period, but the wind just keeps it from coming together. It’s going to be a week of frustration, with more "poor" and "marginal" calls than not.

As we roll into the first days of September, the final days of the window still have that onshore wind problem. The 5ft SSW swell on the 1st is there, but the wind is on it, giving us poor surf conditions. The energy is moderate at 1431, but the quality just isn't there.

So, what's the takeaway? For the entire 16-day window, there’s really no standout day. The most promising conditions are the ones with bigger swell, but they are all compromised by the wind. For an advanced surfer, if you’re desperate, the 7ft SSW swells on the 18th might have some power at the reef, but it's going to be a messy, bumpy session. The waves are breaking in the 5ft to 7ft range, which is well overhead and definitely expert territory, but with the cross-shore wind, it’s going to be a fight.

With this much swell and these wind conditions at a reef break, I’ve seen it look more like a washing machine than a surf break. This kind of setup, with a constant onshore wind, is honestly more interesting for the kite surfers than for us paddle surfers. This might be one of those times to take a break, let the swell settle, and hope the wind gods change their tune. Forecasts change, and it won't stay like this forever, but for now, don't hold your breath.

Rusty.

Short Range Forecast

Heavy rain (total 45mm), heaviest during Mon night. Warm (max 28°C on Mon morning, min 26°C on Mon night). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 28mm), heaviest during Fri night. Warm (max 28°C on Thu morning, min 26°C on Thu night). Wind will be generally light.

Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
AM
PM
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
2
0
0
0
0
0
0
0
1
1
0
1
1
0
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
SSW
22
1
SSW
22
1.8
SSW
21
2.2
SSW
19
2.2
SSW
19
2.4
SSW
18
2.1
SSW
17
1.9
SSW
16
2.4
SSW
16
2.2
SSW
16
2.1
SSW
16
1.7
SSW
15
1.6
SSW
14
1.5
S
14
1.1
S
17
1.7
S
15
1.8
S
15
1.6
S
14
1.5
S
14
1.4
SSW
13
1.3
S
13
Wave Graph
Metric surfscale
Energy kJ
415
896
2757
3650
3463
3393
2408
1896
2980
2310
2054
1310
1121
938
675
1275
1409
999
843
700
573
Wind (km/h)
20
WSW
20
W
25
W
25
WNW
20
W
20
W
25
W
20
WNW
20
W
25
W
20
WNW
25
W
25
W
20
W
20
W
20
W
15
W
15
W
20
W
20
W
20
W
Wind State
on
on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
High Tide
4:24PM0.59m
5:04AM0.61m
4:47PM0.53m
5:31AM0.56m
5:05PM0.47m
6:00AM0.50m
5:13PM0.40m
6:37AM0.43m
4:43PM0.34m
8:50AM0.38m
12:12PM0.42m
1:13AM0.32m
Low Tide
10:29AM0.14m
10:33PM0.03m
10:56AM0.16m
10:55PM0.06m
11:23AM0.20m
11:16PM0.10m
11:52AM0.24m
11:35PM0.15m
12:31PM0.29m
11:48PM0.20m
8:59PM0.24m
7:45PM0.20m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
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
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:22
6:22
6:22
6:22
6:21
6:21
6:20
 mm
2
7
20
4
4
2
1
5
2
5
3
2
9
2
5
3
2
4
Temp °C
28
27
27
28
28
27
28
28
27
28
28
27
28
28
27
28
28
27
28
28
27
Feels °C
29
28
29
29
29
30
29
28
29
29
29
29
29
29
29
29
29
30
29
29
30
  • 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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