Mawi Surf Break

Lat Long: 8.90° S 116.16° E

Mawi Surf Forecast and Surf Report

Issued: 7 pm 10 Sep 2026 (local time)

Forecast update in  hr  min

Today's Mawi sea temperature is
26.4°C
0.2° 

Mawi surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Mawi surf forecast from 10 Sep 2026:

  • Best quality surf: Sunday 13 Sep, 5AM (local time) - 6ft (1.8m), 19s period, SW swell with offshore winds.
  • Most powerful swell: Sunday 13 Sep, 2PM (local time) - 7.5ft (2.3m), 18s period, SW swell with 3,273 kJ wave energy.
  • Next surfable swell (1★+): Saturday 12 Sep, 5AM (local time) - 5.5ft (1.7m), 15s period with SW swell.

Best Forecast Surf Conditions for Mawi this week:

The surf forecast for Mawi over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Sep 12) at 5AM. The primary swell is predicted to be 1.7m and 15s period with a secondary swell of 0.8m and 5s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Mawi in the next 16 days are 2.3m 18s and forecast to arrive on Sunday (Sep 13) at 2PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 6s period and expected on Monday (Sep 14) at 5PM.

Wave TypeTime (WITA) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Sat 12th Sep)5.5ft (1.7m) 15s
Best Surf 5AM (Sun 13th Sep)6ft (1.8m) 19s
Most Powerful 2PM (Sun 13th Sep)7.5ft (2.3m) 18s

Table - best surf conditions forecast for Mawi over the next 16 days.


The Lowdown

Alright folks, Rusty here. Let’s kick this off. We’ve only got one spot on the radar this whole outlook, and it’s all about Mawi. It’s an advanced reef break, exposed to the SW, and it’s fairly consistent. The water temp is sitting at 80°, which is about average for the time of year.

So here’s the deal. We’ve got a run of surf starting Thursday afternoon the 10th, and it sticks around all the way through. The first few days are solid but nothing to write home about. Thursday the 10th sees a 7ft swell from the SSW with a very long period of 16 seconds – that’s proper groundswell energy. The combined energy is reading a strong 2696 (moderate to strong). Winds are cross-off from the SE at 15 mph, so it’ll be clean but that wind keeps it from being glassy. Conditions look clean but the call is marginal, mostly because it’s likely a bit tricky for anyone who’s not advanced.

Friday the 11th drops slightly to 7ft from the SW, still 16 seconds, cross-off wind again. Same story – clean but not perfect. Saturday the 12th drops a touch to 5ft with period down to 14 seconds, still cross-off. The energy dips a little but it’s still pumping (1904). Sunday the 13th we see a bump: 6ft in the morning, but the afternoon pushes up to 8ft from the SW with a 17-second period, and energy spikes to 3161 (very strong). That’s a standout window – big, long-period groundswell, clean, but again this is for experts only. Anything over 8ft is for experts only, so you’ll want your wits about you.

Monday the 14th and Tuesday the 15th hold around 6–6ft with 15–16 second periods, all cross-off. Consistency is good but the scores suggest it’s just okay. Then on Wednesday the 16th, we get a real highlight. The swell is 6ft from the SSW, period 15 seconds, and the wind shifts to SSE at 9 mph – still cross-off but lighter. Energy is 1572. The comment flips to “excellent surf conditions for experienced surfers.” That Wednesday afternoon session is the pick of the first week. Clean, solid, that reef will hold the long period beautifully.

Thursday the 17th and Friday the 18th keep the excellent vibes going. Winds drop lighter on Friday the 18th afternoon to just 6 mph from the SE, with a 6ft SSW swell and 15-second period. That’s nearly glassy. Energy is moderate (1283), but for a reef break at that size, it’s going to be proper, well-shaped waves. That Friday afternoon is another standout.

Into the second week: Saturday the 19th drops off a bit – 5ft, lighter winds, but still good. Sunday the 20th brings a nice pulse: 7ft SW, 16 seconds, cross-off, energy 2182, rated excellent. That’s the best of the weekend. Monday the 21st holds around 6ft, Tuesday the 22nd drops to 5ft but has a very long 20-second period from the SSW – that’s a caveat though: long period can make beach breaks close out, but here at a reef it’ll line up beautifully.

Wednesday the 23rd jumps back to 7ft with 17 seconds, energy 2735. Thursday the 24th is solid too. Then Friday the 25th we see the biggest swell of the outlook: 8ft from the SSW, 16 seconds, energy 3118. That is big, strong, and only for experts. Winds are 12 mph cross-off, so it’ll be clean but heavy.

Overall, there’s no gap in the surf – it runs straight through from the 10th to the 25th. Crowds are noted as “sometimes” at Mawi, so you might have company, but it’s not guaranteed. This is a reef break, so the long period groundswells we’re seeing most of the time will produce proper, lined-up waves. The two true standouts are Wednesday afternoon the 16th and Friday afternoon the 18th – lighter winds, excellent conditions, and that reef handling the swell perfectly. The big pulse on Sunday the 20th is also a ripper for experienced surfers.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 28°C on Sat afternoon, min 24°C on Thu night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 27°C on Mon morning, min 24°C on Mon night). Wind will be generally light.

Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
4
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.2
SW
16
2.1
SW
16
2
SW
16
1.9
SW
15
1.6
SW
14
1.5
SW
14
1.7
SW
19
1.8
SW
18
2.3
SW
17
2.2
SW
16
1.9
SW
16
1.9
SW
16
1.8
SW
15
1.8
SW
15
1.8
SW
15
1.9
SW
15
1.8
SW
15
1.9
SSW
15
2
SSW
15
Wave Graph
Metric surfscale
Energy kJ
2379
2066
1884
1486
1109
928
2103
1945
3161
2445
1764
1764
1540
1540
1561
1609
1358
1488
1714
Wind (km/h)
20
ESE
20
SE
20
SE
15
ESE
15
SE
15
SE
15
ESE
20
SE
25
SE
25
SE
25
SE
25
SE
20
ESE
15
SE
15
SE
20
SE
20
SE
10
SE
20
SE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
10:03PM2.41m
10:05AM2.64m
10:31PM2.63m
10:42AM2.69m
10:59PM2.79m
11:15AM2.66m
11:26PM2.87m
11:46AM2.56m
11:53PM2.87m
12:15PM2.41m
00:19AM2.79m
12:42PM2.22m
00:44AM2.65m
Low Tide
3:58AM0.50m
4:20PM0.21m
4:35AM0.28m
4:48PM0.18m
5:09AM0.14m
5:15PM0.21m
5:42AM0.09m
5:41PM0.27m
6:13AM0.13m
6:06PM0.38m
6:43AM0.24m
6:29PM0.52m
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
6:11
6:09
6:09
6:09
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:12
6:12
6:12
6:12
6:12
6:12
6:12
 mm
Temp °C
25
27
27
25
27
28
26
27
27
26
27
27
26
27
27
25
27
27
25
Feels °C
25
28
27
26
28
29
28
27
27
27
27
27
26
28
28
27
28
27
27
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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 Mawi Surf forecast

The above surf forecast table for Mawi provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Mawi can be found by selecting the local surf guide option on the grey menu. Our Mawi 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 (Mawi) 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 Mawi 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.

Mawi is 25 km (16 miles) from the city of Praya. If you plan a holiday in South Coast of Lombok, look for hotels and other accommodation in Praya. Praya has rooms for a wide range of budgets as well as car hire and transport links.

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