Surf Forecasts:
Mawi surf forecast from 7 Sep 2026:
- Best quality surf: Wednesday 9 Sep, 5AM (local time) - 8ft (2.4m), 16s period, SSW swell with cross-offshore winds.
- Most powerful swell: Wednesday 9 Sep, 11AM (local time) - 8ft (2.5m), 16s period, SSW swell with 3,569 kJ wave energy.
- Next surfable swell (1★+): Wednesday 9 Sep, 5AM (local time) - 8ft (2.4m), 16s period with SSW 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 Wednesday (Sep 09) at 5AM. The primary swell is predicted to be 2.4m and 16s period with a secondary swell of 1.6m and 12s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Mawi in the next 16 days are 2.5m 16s and forecast to arrive on Wednesday (Sep 09) at 11AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 6s period and expected on Saturday (Sep 12) at 8PM.
| Wave Type | Time (WITA) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Wed 9th Sep) | 8ft (2.4m) 16s |
| Best Surf | 5AM (Wed 9th Sep) | 8ft (2.4m) 16s |
| Most Powerful | 11AM (Wed 9th Sep) | 8ft (2.5m) 16s |
Table - best surf conditions forecast for Mawi over the next 16 days.
The Lowdown
Alright, Rusty here, and let’s get into what Mawi has lined up. It’s a mixed bag – persistent swell but the wind’s a bit of a headache.
Water temp is 26°, right on the money for this time of year. The swell kicks off Monday the 7th with a 2.2m SSW groundswell, period 14 seconds. Energy is solid (2053), but that southeast cross-off breeze at 20 mph keeps things from being glassy. Not junk, but not perfect.
Tuesday and Wednesday the 8th and 9th bring bigger swell – up to 2.5m, period 16 seconds – and the energy climbs (3569 on Wednesday morning). That’s proper power for a reef, and the direction is exactly what Mawi wants (SW). But that cross-off wind is still there. The crowds might show, and it’s advanced territory at this size.
Thursday the 10th drops a touch, but the pattern holds steady through the middle of the month: 1.5m to 2.2m, cross-off wind, long periods. The first week’s best is Wednesday the 9th: 2.5m SW swell, long 16-second period, strong energy – it’s the best combination of size and direction, even if the wind isn’t perfect.
There’s a bit of a lull around the weekend of the 12th, with rain showers and smaller swell. But the real standout is Saturday the 19th of September. That’s the one to circle. We’ve got a 2.4m SW swell, 17-second period, light breeze at only 10 mph, and the energy is pumping (3204). The conditions are described as excellent for experienced surfers, and that light breeze is practically offshore. It’s over a week out, so don’t book the flight yet, but if it holds, that’s the session. Sunday the 20th is still good with 2.4m and light winds, but the breeze picks up later.
After that, the swell fades to 1.0m to 1.5m by the 22nd, with very long periods (21 seconds) but not enough size to make it exciting. The cross-off wind returns stronger.
Overall, Mawi is consistent but not firing every day. The standout is the 19th – that’s the one to wait for. Everything else is solid but a bit cross-off and medium energy.
Rusty.
Short Range ForecastLight rain (total 2mm), mostly falling on Mon night. Warm (max 26°C on Mon morning, min 24°C on Mon night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Sat afternoon. Warm (max 27°C on Fri morning, min 25°C on Thu morning). Mainly fresh winds. | ||||||||||||||||||||
Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | |||||||||||||||
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) | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 18 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 19 | SW 18 | SW 17 | SW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2033 | 1772 | 1346 | 1673 | 2094 | 2781 | 3569 | 3182 | 2580 | 1428 | 2696 | 2379 | 2066 | 1884 | 1506 | 1109 | 928 | 2103 | 1945 | 3364 | 2445 |
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 | 8:22PM1.53m | 7:18AM2.12m | 9:03PM1.83m | 8:34AM2.33m | 9:34PM2.13m | 9:24AM2.52m | 10:03PM2.41m | 10:05AM2.64m | 10:31PM2.63m | 10:42AM2.69m | 10:59PM2.79m | 11:15AM2.66m | 11:26PM2.87m | ||||||||
Low Tide | 1:21PM0.85m | 00:36AM1.34m | 2:34PM0.64m | 2:22AM1.08m | 3:16PM0.45m | 3:16AM0.77m | 3:49PM0.30m | 3:58AM0.50m | 4:20PM0.21m | 4:35AM0.28m | 4:48PM0.18m | 5:09AM0.14m | 5:15PM0.21m | ||||||||
 | |  |  | |  |  | | | | | | | |  | | | | | | | |
 | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — | 6:09 | — | — |
 | — | 6:13 | — | — | 6:12 | — | — | 6:12 | — | — | 6:12 | — | — | 6:12 | — | — | 6:12 | — | — | 6:12 | — |
mm | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — |
Temp °C | 26 | 26 | 25 | 25 | 26 | 25 | 25 | 26 | 24 | 26 | 26 | 25 | 27 | 27 | 25 | 27 | 27 | 25 | 27 | 27 | 26 |
Feels °C | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 25 | 26 | 26 | 26 | 27 | 27 | 24 | 27 | 27 | 24 | 27 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 19 | SW 18 | SW 17 | SW 16 |
| kJ | 2033 | 1772 | 1346 | 1673 | 1622 | 2781 | 3569 | 3182 | 2580 | 1428 | 2696 | 2379 | 2066 | 1884 | 1506 | 1109 | 928 | 2103 | 1945 | 3364 | 2445 |
Swell 2 Height (m) Direction Period (s) | SW 22 | SW 22 | SSW 21 | SSW 19 | SSW 18 | SSW 12 | — | — | — | SSW 18 | — | SW 26 | SSW 26 | SW 24 | SW 24 | SW 21 | SW 21 | SW 15 | SW 15 | — | SE 6 |
| kJ | 20 | 119 | 541 | 1576 | 2094 | 902 | — | — | — | 845 | — | 27 | 66 | 143 | 197 | 880 | 635 | 773 | 868 | — | 44 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 24 | — | SSW 9 | — | SE 6 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 197 | — | 15 | — | 56 | — | — |
Wind waves Height (m) Direction Period (s) | — | S 6 | — | — | — | SSE 5 | — | — | SE 4 | SE 4 | SE 5 | SE 5 | SE 5 | SE 5 | SE 5 | SE 6 | SE 5 | SE 5 | — | SE 6 | SE 6 |
| kJ | — | 62 | — | — | — | 23 | — | — | 12 | 16 | 35 | 47 | 50 | 77 | 40 | 60 | 77 | 65 | — | 42 | 77 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 34 | 34 | 34 | 243 | 83 | 64 | 83 | 64 | 34 | 64 | 64 | 34 | 34 | 34 | 32 | 34 | 34 | 34 | 34 | 34 | 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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