Grupuk Bay (Don Don)
Grupuk Bay hosts multiple surf breaks accessible by local boat, with Don Don being one of the standout lefts in the collection. The bay setting on Lombok's south coast provides a sheltered environment with several reef breaks offering different characteristics depending on swell and tide. The local boat shuttle system from Grupuk village makes access easy and affordable, creating a surf camp atmosphere popular with traveling surfers.
Grupuk Bay (Don Don) surf forecast
Model forecast for swell, wind and tide.
Today's ConditionsToday's Conditions
Find FlightsLocation & Conditions
Hourly Forecast, Tide & Strike Windows
Tide times today
Strike Score Breakdown
Plan Your Strike
Return flights to LOP, departing today with a 5-day trip window.
Search Flights on SkyscannerLocation & Conditions
Know when Southeast Asia is about to fire
Get the best strike windows in Southeast Asia — and worldwide — in your inbox every Monday & Thursday. Live Strike Scores, the swell behind them, zero fluff.
Get the full Grupuk Bay (Don Don) trip window
Pro unlocks the 10-day forecast window, unlimited alerts, and custom spot tracking that help turn a good-looking surf report into a better travel decision.
10-day window
See the trip window before flights get expensive.
Unlimited alerts
Let the app watch your score threshold for you.
Custom spots
Track the breaks that actually matter to your travel plans.
Spot Details
CustomizeCustomize this spotSwell Requirements
- Optimal direction
- SSW (205°)
- Direction range
- 190° - 220°
- Size range
- 0.9m - 1.8m
- Ideal size
- 1.3m - 1.6m
- Height multiplier
- 0.90×
- Ideal period
- 14s+
Wind Requirements
- Optimal direction
- N (0°)
- Offshore range
- 330° - 30°
Tide Requirements
- Optimal tide
- mid to high
- Optimal range
- 0.7m - 1.8m
Water temp
28°C
Wetsuit
Boardshorts / Rashguard
Difficulty
5/10
Crowd level
4/10
Access: Road access varies by season; local guide/boat support is often used when the track or tide window is poor.
Frequently Asked Questions
What kind of wave is Grupuk Bay (Don Don)?
Grupuk Bay is a reef break in S Lombok, Indonesia, that mostly breaks left.
What swell works best at Grupuk Bay (Don Don)?
Grupuk Bay picks up swell from the S round to the SW, and it's best when it's coming straight out of the SSW. That's a tight window, so it needs the swell direction to line up. It starts working at around 0.9m and handles up to about 1.8m, with the sweet spot around 1.3 to 1.6m. Period matters too: aim for 14s or longer, as anything under 10s tends to be weak. These are the numbers our scoring uses, so treat them as a guide rather than a promise.
What wind is offshore at Grupuk Bay (Don Don)?
A N wind is dead offshore at Grupuk Bay, and anything from the NNW round to the NNE keeps it clean. The morning is typically the best window, roughly 6am to midday. Light winds from other directions can still be fine; strong offshores can make it hard to get into waves.
What tide is best at Grupuk Bay (Don Don)?
Grupuk Bay is at its best around the mid to high tide, roughly 0.7m to 1.8m on the local chart.
When is the best time of year to surf Grupuk Bay (Don Don)?
The most reliable run of swell at Grupuk Bay comes Apr to Oct. There's a second window in Nov to Mar too. Best Apr-Oct (dry season, SE trades offshore). Swells year-round but wet season brings onshore winds.
How cold is the water at Grupuk Bay (Don Don)?
The water at Grupuk Bay averages around 28°C, so boardshorts or a rashguard will do. It shifts a few degrees through the year, so check the season before you pack.
Is Grupuk Bay (Don Don) good for beginners?
It's more of an intermediate wave, rated 5/10 for difficulty, so newer surfers are best off sticking to the smaller days. Expect a moderate crowd (4/10) when it's on. Things to watch for: sharp, shallow reef (booties help) and a long walk or paddle in.
How do I get to Grupuk Bay (Don Don)?
The nearest airport on our list is LOP, then it's roughly a one-hour drive. Road access varies by season; local guide/boat support is often used when the track or tide window is poor.
What other surf spots are near Grupuk Bay (Don Don)?
The closest breaks we track are Ekas Inside (19 km), Mawi (21 km) and Super Suck (42 km), handy when Grupuk Bay isn't working.
Best Season
Peak: Apr-Oct
Secondary: Nov, Dec, Jan, Feb, Mar
Best Apr-Oct (dry season, SE trades offshore). Swells year-round but wet season brings onshore winds.
Getting There
Nearby Spots
Ekas Inside
🌊 Protected Lombok bay • Consistent lefts • Desert Point alternative
Mawi
🌊 Lombok A-frame • Powerful reef break • Fast lefts and rights
Super Suck
💥 West Sumbawa slab • Extreme barrel • Fickle but world-class
Scar Reef
🩹 Sumbawa's perfect right • Shallow reef gauntlet • Booties mandatory
Yo-Yo's
🌊 West Sumbawa right • Pure fun • Tropical Indo
Tropicals
🌊 West Sumbawa's mellows • White sand beach • Sheltered from wind