Surf Forecasts:
Mawi surf forecast from 11 Sep 2026:
- Best quality surf: Saturday 12 Sep, 8AM (local time) - 5ft (1.6m), 15s period, SW swell with offshore winds.
- Most powerful swell: Sunday 13 Sep, 5PM (local time) - 7.5ft (2.3m), 17s period, SW swell with 3,161 kJ wave energy.
- Next surfable swell (1★+): Saturday 12 Sep, 8AM (local time) - 5ft (1.6m), 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 8AM. The primary swell is predicted to be 1.6m and 15s period with a secondary swell of 0.8m and 6s. 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 17s and forecast to arrive on Sunday (Sep 13) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Monday (Sep 14) at 5PM.
| Wave Type | Time (WITA) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Sat 12th Sep) | 5ft (1.6m) 15s |
| Best Surf | 8AM (Sat 12th Sep) | 5ft (1.6m) 15s |
| Most Powerful | 5PM (Sun 13th Sep) | 7.5ft (2.3m) 17s |
Table - best surf conditions forecast for Mawi over the next 16 days.
The Lowdown
Alright, Rusty here again. Let’s talk Mawi in feet and miles per hour.
The first decent surf kicks off this Saturday morning, the 12th of September. A solid run of SW swell is lined up, nothing crazy big, but the wind keeps the quality in check. The combined wave energy sits in the moderate to strong range all through – you’ll see numbers like (2021) and (1578) for the weekend.
Saturday 12th and Sunday 13th are your early sessions to aim for. Saturday morning brings 5ft of SW swell with a nice long 14-second period – proper groundswell – and cross-off SE winds at 9 mph keep things clean. The water temp is 80°F, average for the time of year. Sunday morning steps up to 6ft with a 18-second period – that’s a very long period, meaning more power and better shape on the reef. Cross-off wind still in the 12 mph range. Mawi’s a reef, so those long intervals will give you some beautiful, walled-up lines. Crowds *sometimes* show, so be ready.
Monday 14th through Wednesday 16th the swell sits around 6ft to 7ft, still SW groundswell, periods dropping to 15-16 seconds – still quality. Wind stays cross-off, 12-16 mph, clean. Not a jaw-dropper, but consistent fun for the advanced surfer.
The standout comes on Friday the 18th of September. Morning has 6ft of SSW swell at 14 seconds, but the wind drops to a light 9 mph SE cross-off, and the report says “excellent surf conditions for experienced surfers.” That’s your morning to paddle out early. The energy is (1055) – moderate, but clean as a whistle.
Sunday the 20th brings a bigger pulse: 8ft to 8ft SW at 15-16 seconds. That’s over 8ft, so experts only. Wind stays cross-off, making it a heavy, powerful reef session for those with the nerve.
Monday 21st and Tuesday 22nd are solid too – 7ft dropping to 5ft, SSW, light cross-off wind. Tuesday morning gets an “excellent” tag for experienced surfers.
Wednesday the 23rd jumps back up to 7ft SSW at 16 seconds, energy (2275) – again, only for the skilled crew.
The second week gets smaller, but Friday the 25th afternoon and Saturday the 26th afternoon both get “excellent” ratings with 5ft and 4ft SSW, light wind, clean conditions. Good for strong intermediates.
Overall, Mawi delivers most days. Your top picks: Friday the 18th morning for clean, quality surf, and Sunday the 20th if you’re an expert looking for a big one.
Rusty out.
Short Range ForecastMostly dry. Warm (max 27°C on Sat morning, min 24°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 27°C on Tue morning, min 24°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | |||||||||||||||
AM | PM | 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) | SW 14 | SW 14 | SW 19 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SSW 15 | SSW 14 | SSW 14 | SW 14 | SSW 14 | SSW 13 | SW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1109 | 928 | 2103 | 1809 | 3161 | 2287 | 1764 | 1643 | 1561 | 1540 | 1581 | 1474 | 1358 | 1358 | 1714 | 1667 | 1644 | 1231 | 1019 | 659 | 967 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | cross-off | cross-off |
High Tide | 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 | 1:08PM2.01m | 1:09AM2.46m | 1:34PM1.78m | 1:35AM2.25m | |||||||
Low Tide | 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 | 7:14AM0.41m | 6:50PM0.68m | 7:45AM0.62m | 7:08PM0.86m | ||||||||
 | |  | | | | | | | | | | | | | | | | | | | |
 | 6:11 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:07 | — | — | 6:07 | — | — |
 | — | 6:12 | — | — | 6:12 | — | — | 6:12 | — | — | 6:12 | — | — | 6:12 | — | — | 6:10 | — | — | 6:10 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 25 | 27 | 27 | 25 | 27 | 27 | 25 | 27 | 27 | 25 | 27 | 27 | 25 | 27 | 27 | 25 | 27 | 27 | 25 |
Feels °C | 29 | 27 | 26 | 28 | 27 | 25 | 27 | 27 | 25 | 28 | 27 | 25 | 26 | 28 | 25 | 27 | 28 | 26 | 29 | 28 | 26 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 19 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SSW 15 | SSW 14 | SSW 14 | SW 14 | SSW 14 | SSW 13 | SW 15 |
| kJ | 1109 | 928 | 2103 | 1809 | 3161 | 2287 | 1764 | 1643 | 1561 | 1540 | 1581 | 1474 | 1358 | 1358 | 1714 | 1667 | 1644 | 1231 | 1019 | 659 | 967 |
Swell 2 Height (m) Direction Period (s) | SW 21 | SW 21 | SW 14 | SW 15 | — | — | SE 7 | — | SE 6 | SE 6 | — | — | SSW 21 | W 16 | — | SE 6 | — | S 7 | SE 5 | SW 16 | SW 20 |
| kJ | 880 | 635 | 676 | 777 | — | — | 86 | — | 36 | 45 | — | — | 45 | 5 | — | 64 | — | 27 | 18 | 302 | 99 |
Swell 3 Height (m) Direction Period (s) | SE 6 | SSW 9 | — | SE 6 | — | — | — | — | — | — | — | — | SSW 21 | — | — | — | — | — | SW 22 | SE 6 | SE 5 |
| kJ | 32 | 15 | — | 46 | — | — | — | — | — | — | — | — | 45 | — | — | — | — | — | 18 | 17 | 7 |
Wind waves Height (m) Direction Period (s) | — | SE 6 | SE 6 | — | SE 5 | SE 6 | — | SE 6 | — | — | SE 6 | SE 5 | SE 6 | SE 6 | SE 5 | — | SE 6 | SE 5 | ESE 6 | — | — |
| kJ | — | 69 | 50 | — | 103 | 62 | — | 151 | — | — | 64 | 65 | 52 | 72 | 65 | — | 74 | 32 | 41 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 34 | 33 | 32 | 34 | 34 | 33 | 34 | 34 | 32 | 34 | 34 | 32 | 34 | 34 | 33 | 34 | 34 | 32 | 0 | 0 | 32 |
Best forecast wave conditions in South Coast of Lombok | |||||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||||
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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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