Surf Forecasts:
Hideaways (Mentawi Islands) surf forecast from 18 Sep 2026:
- Best quality surf: Saturday 19 Sep, 7AM (local time) - 4.5ft (1.4m), 15s period, SW swell with offshore winds.
- Most powerful swell: Sunday 20 Sep, 10AM (local time) - 8ft (2.4m), 16s period, SSW swell with 2,731 kJ wave energy.
- Next surfable swell (1★+): Friday 18 Sep, 4PM (local time) - 4.5ft (1.4m), 14s period with SSW swell.
Best Forecast Surf Conditions for Hideaways (Mentawi Islands) this week:
The surf forecast for Hideaways (Mentawi Islands) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 18) at 4PM. The primary swell is predicted to be 1.4m and 14s period with a secondary swell of 0.5m and 20s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Hideaways (Mentawi Islands) in the next 16 days are 2.4m 16s and forecast to arrive on Sunday (Sep 20) at 10AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.2m 16s period and expected on Wednesday (Sep 23) at 1AM.
| Wave Type | Time (WIB) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4PM (Fri 18th Sep) | 4.5ft (1.4m) 14s |
| Best Surf | 7AM (Sat 19th Sep) | 4.5ft (1.4m) 15s |
| Most Powerful | 10AM (Sun 20th Sep) | 8ft (2.4m) 16s |
Table - best surf conditions forecast for Hideaways (Mentawi Islands) over the next 16 days.
Short Range ForecastHeavy rain (total 49mm), heaviest during Sat morning. Warm (max 27°C on Fri morning, min 25°C on Sat afternoon). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 12mm), heaviest on Tue night. Warm (max 28°C on Wed morning, min 26°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | |||||||||||||||
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 15 | SSW 14 | SSW 14 | SW 18 | SW 17 | SW 16 | SSW 16 | SW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 19 | SSW 19 | SSW 18 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 869 | 796 | 663 | 2264 | 1961 | 2320 | 2731 | 1730 | 1626 | 1475 | 1325 | 137 | 560 | 759 | 0 | 1728 | 1374 | 886 | 603 | 603 | 530 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | off | cross-off | cross-off | off | off | cross-off | off | cross-off | off | off | cross-off | off | off | cross-off | off | off | cross-off | off |
High Tide | 10:45PM0.87m | 9:52AM0.53m | 00:05AM0.80m | 9:39AM0.46m | 1:20PM0.47m | 1:58AM0.80m | 3:20PM0.53m | 3:16AM0.85m | 4:16PM0.63m | 4:08AM0.92m | 4:52PM0.74m | 4:48AM0.99m | 5:22PM0.86m | ||||||||
Low Tide | 3:41PM0.22m | 5:09AM0.37m | 4:21PM0.29m | 6:34AM0.43m | 5:21PM0.37m | 10:28AM0.40m | 7:06PM0.42m | 10:29AM0.33m | 8:56PM0.40m | 10:44AM0.27m | 10:04PM0.33m | 11:04AM0.20m | 10:52PM0.25m | ||||||||
 | |  | |  |  |  | |  | | | | |  | | | | | | | | |
 | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — |
 | — | 6:20 | — | — | 6:19 | — | — | 6:19 | — | — | 6:19 | — | — | 6:17 | — | — | 6:17 | — | — | 6:17 | — |
mm | 4 | 2 | 16 | 11 | 10 | 6 | — | — | — | 2 | 2 | 3 | — | — | 4 | 1 | — | — | — | — | 2 |
Temp °C | 27 | 27 | 26 | 26 | 25 | 25 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 28 | 27 | 27 |
Feels °C | 30 | 29 | 28 | 27 | 27 | 27 | 28 | 30 | 30 | 29 | 30 | 30 | 30 | 29 | 30 | 30 | 28 | 28 | 30 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | SW 15 | SSW 14 | SSW 14 | SW 18 | SW 17 | SW 16 | SSW 16 | SW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 19 | SSW 18 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
| kJ | 869 | 796 | 663 | 2264 | 1961 | 2320 | 2731 | 1730 | 1626 | 1475 | 1325 | 1042 | 560 | 759 | 2488 | 1728 | 1374 | 886 | 603 | 603 | 530 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | SW 20 | SW 18 | WNW 8 | SSW 13 | WNW 8 | WNW 7 | SSW 16 | — | SW 21 | SSW 20 | SSW 19 | NW 9 | SSW 12 | S 12 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | S 18 | S 16 |
| kJ | 24 | 186 | 465 | 12 | 295 | 6 | 5 | 273 | — | 17 | 38 | 137 | 3 | 410 | 3 | 6 | 6 | 6 | 7 | 6 | 21 |
Swell 3 Height (m) Direction Period (s) | SW 20 | WNW 8 | WNW 8 | S 15 | WNW 8 | — | — | WNW 7 | — | SW 21 | W 16 | WNW 9 | W 15 | NW 8 | S 12 | — | — | — | — | W 16 | SW 18 |
| kJ | 99 | 13 | 22 | 4 | 12 | — | — | 5 | — | 17 | 5 | 8 | 4 | 3 | 3 | — | — | — | — | 5 | 12 |
Wind waves Height (m) Direction Period (s) | SSE 7 | SSE 7 | SSE 5 | SSE 5 | SSE 6 | SSE 6 | SE 4 | SE 5 | SSE 6 | — | — | — | S 13 | SSE 7 | SSE 8 | SSE 5 | SSE 6 | SSE 8 | SSE 8 | SSE 8 | SSE 8 |
| kJ | 35 | 45 | 41 | 64 | 87 | 56 | 40 | 67 | 50 | — | — | — | 932 | 121 | 131 | 103 | 114 | 163 | 130 | 104 | 109 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 6 | 33 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 383 | 0 | 0 | 383 | 0 |
Best forecast wave conditions in Mentawi Islands | |||||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||||
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Information about the Hideaways (Mentawi Islands) Surf forecast
The above surf forecast table for Hideaways (Mentawi Islands) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Hideaways (Mentawi Islands) can be found by selecting the local surf guide option on the grey menu. Our Hideaways (Mentawi Islands) 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 (Hideaways (Mentawi Islands)) 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 Hideaways (Mentawi Islands) 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.
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