Surf Forecasts:
Mushroom Beach - Nusa Lembongan surf forecast from 21 Oct 2026:
- Best quality surf: Thursday 22 Oct, 5PM (local time) - 6ft (1.9m), 18s period, SSW swell with cross-offshore winds.
- Most powerful swell: Friday 23 Oct, 5AM (local time) - 8ft (2.5m), 19s period, SSW swell with 4,138 kJ wave energy.
- Next surfable swell (1★+): Wednesday 21 Oct, 5PM (local time) - 4.5ft (1.4m), 13s period with SSW swell.
Best Forecast Surf Conditions for Mushroom Beach - Nusa Lembongan this week:
The surf forecast for Mushroom Beach - Nusa Lembongan over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Oct 21) at 5PM. The primary swell is predicted to be 1.4m and 13s period with a secondary swell of 0.4m and 21s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Mushroom Beach - Nusa Lembongan in the next 16 days are 2.5m 19s and forecast to arrive on Friday (Oct 23) at 5AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Wednesday (Oct 28) at 5AM.
| Wave Type | Time (WITA) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5PM (Wed 21st Oct) | 4.5ft (1.4m) 13s |
| Best Surf | 5PM (Thu 22nd Oct) | 6ft (1.9m) 18s |
| Most Powerful | 5AM (Fri 23rd Oct) | 8ft (2.5m) 19s |
Table - best surf conditions forecast for Mushroom Beach - Nusa Lembongan over the next 16 days.
Short Range ForecastMostly dry. Warm (max 28°C on Wed afternoon, min 24°C on Wed night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 7mm), mostly falling on Mon night. Warm (max 28°C on Sat morning, min 26°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | |||||||||||||||
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 13 | SSW 13 | SSW 20 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | SSW 14 | SSW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 649 | 630 | 551 | 907 | 2168 | 3393 | 3996 | 3770 | 2750 | 2573 | 2541 | 2417 | 2082 | 1644 | 1455 | 1336 | 1155 | 1052 | 852 | 1043 | 917 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | glassy | off | cross-off | off | off | off | cross-off | off | cross-off | cross-off | off | cross-off | off | off | cross-off | off | off | off | off |
High Tide | 8:34PM1.42m | 7:31AM1.43m | 8:43PM1.57m | 8:27AM1.53m | 8:58PM1.73m | 9:10AM1.61m | 9:18PM1.90m | 9:50AM1.67m | 9:41PM2.05m | 10:28AM1.68m | 10:08PM2.19m | 11:05AM1.65m | 10:38PM2.28m | ||||||||
Low Tide | 1:29PM0.68m | 2:07AM1.05m | 2:07PM0.63m | 2:43AM0.84m | 2:37PM0.60m | 3:15AM0.60m | 3:05PM0.58m | 3:47AM0.37m | 3:32PM0.58m | 4:20AM0.16m | 4:00PM0.59m | 4:56AM0.01m | 4:28PM0.61m | ||||||||
 | |  | | | | | | | | |  |  | | | |  |  | | | | |
 | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:50 | — | — | 5:50 | — | — | 5:50 | — | — |
 | — | 6:12 | — | — | 6:12 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 6 | 2 | 1 | 2 |
Temp °C | 27 | 28 | 26 | 27 | 28 | 27 | 28 | 27 | 26 | 28 | 28 | 27 | 27 | 27 | 26 | 27 | 27 | 26 | 27 | 27 | 26 |
Feels °C | 30 | 29 | 30 | 30 | 30 | 30 | 31 | 28 | 29 | 31 | 29 | 30 | 30 | 29 | 28 | 30 | 29 | 29 | 30 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | SSW 14 | SSW 13 |
| kJ | 649 | 630 | 551 | 551 | 2168 | 3393 | 3996 | 3770 | 2750 | 2573 | 2541 | 2417 | 2082 | 1644 | 1455 | 1336 | 1155 | 1052 | 852 | 1043 | 917 |
Swell 2 Height (m) Direction Period (s) | SSW 22 | SSW 21 | SSW 20 | SSW 18 | SSW 8 | — | — | — | — | — | — | — | — | — | — | — | — | ESE 4 | SSW 16 | SSW 15 | — |
| kJ | 96 | 180 | 432 | 907 | 109 | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 86 | 231 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 4 | — | SE 4 | ESE 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 10 | — | 4 | 11 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Nusa Lembongan - Bali | |||||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Mushroom Beach - Nusa Lembongan Surf forecast
The above surf forecast table for Mushroom Beach - Nusa Lembongan provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Mushroom Beach - Nusa Lembongan can be found by selecting the local surf guide option on the grey menu. Our Mushroom Beach - Nusa Lembongan 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 (Mushroom Beach - Nusa Lembongan) 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 Mushroom Beach - Nusa Lembongan 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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