Surf Forecasts:
Pitstops surf forecast from 19 Jul 2026:
- Best quality surf: Monday 20 Jul, 7AM (local time) - 5ft (1.5m), 18s period, S swell with glassy winds.
- Most powerful swell: Monday 20 Jul, 7AM (local time) - 5ft (1.5m), 18s period, S swell with 1,357 kJ wave energy.
- Next surfable swell (1★+): Monday 20 Jul, 1AM (local time) - 4.5ft (1.3m), 18s period with S swell.
Best Forecast Surf Conditions for Pitstops this week:
The surf forecast for Pitstops over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Jul 20) at 1AM. The primary swell is predicted to be 1.3m and 18s period with a secondary swell of 0.6m and 7s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Pitstops in the next 16 days are 1.5m 18s and forecast to arrive on Monday (Jul 20) at 7AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 6s period and expected on Wednesday (Jul 22) at 1PM.
| Wave Type | Time (WIB) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Mon 20th Jul) | 4.5ft (1.3m) 18s |
| Best Surf | 7AM (Mon 20th Jul) | 5ft (1.5m) 18s |
| Most Powerful | 7AM (Mon 20th Jul) | 5ft (1.5m) 18s |
Table - best surf conditions forecast for Pitstops over the next 16 days.
The Lowdown
Alright, let’s talk in feet and miles per hour.
The first real surf kicks off on Sunday the 19th of July at Pitstops. It’s a beginner reef, super consistent. Water temp is 86°F, so a touch warmer than normal. The 19th has a 3ft SSW swell, 13-second period, but the wind is cross from the south at 9 mph, so it’s a little choppy. The combined energy is moderate at 418.
Monday the 20th of July is the big one. Morning glass-off with a 5ft south swell, 17-second period – that’s proper groundswell. Wind is glassy from the east at 3 mph. Energy is strong at 1217. This is a standout. Crowds are often here, so get out early.
Tuesday the 21st holds clean 4ft to 4ft surf, 14-second period, winds cross-off from the southeast at 9 mph. Energy is strong at 770 and 690. Good, but Monday morning is the best.
From Wednesday the 22nd, it drops to 3ft to 2ft, 13-second period, clean but small. Energy moderate.
Thursday the 23rd to Saturday the 25th gets bumpy. Swell hits 5ft to 6ft, but period drops to 9-10 seconds, and wind picks up to 12 mph. Marginal. More a kite window.
Sunday the 26th to Wednesday the 29th is tiny – 2ft to 3ft, light winds, long periods. Clean but small. Energy low.
Thursday the 30th and Friday the 31st bring 2ft to 4ft SSW groundswell, very long period (17-19 seconds), light winds. Energy climbs to 859. Clean, small.
Saturday the 1st of August is the second standout. Glassy morning, 4ft SSW swell, 15-second period, energy 941. Afternoon glassy with 3ft, 820 energy. Clean, lined-up reef. Crowds often.
Sunday the 2nd of August is a write-off – 20 mph wind, cross-chop.
Monday the 3rd of August finishes with a glassy morning, 3ft SSW swell, 14-second period, 542 energy. Afternoon glassy, 2ft, 586 energy. Clean small end.
Best on offer: Monday morning, July 20th and Saturday morning, August 1st. Glassy, strong, long-period groundswell. Don’t miss it.
Rusty.
Short Range ForecastHeavy rain (total 29mm), heaviest during Sun night. Warm (max 29°C on Sun afternoon, min 26°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 27mm), heaviest during Thu night. Warm (max 28°C on Wed afternoon, min 26°C on Thu morning). Wind will be generally light. | |||||||||||||||||||
Sun 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | ||||||||||||||
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 | S 18 | S 17 | S 16 | S 16 | S 14 | S 14 | S 13 | S 13 | S 13 | SSE 8 | SSE 9 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 10 | SSE 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 222 | 1039 | 1174 | 1004 | 954 | 691 | 573 | 356 | 219 | 161 | 128 | 318 | 532 | 527 | 570 | 490 | 378 | 305 | 394 | 305 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | glassy | cross-on | 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 |
High Tide | 10:20PM0.99m | 10:16AM0.95m | 11:08PM0.97m | 10:58AM0.82m | 00:00AM0.95m | 11:45AM0.69m | 00:59AM0.92m | 12:52PM0.59m | 2:05AM0.90m | 2:22PM0.53m | 3:11AM0.91m | 3:45PM0.53m | ||||||||
Low Tide | 3:58AM0.25m | 4:17PM0.13m | 4:49AM0.33m | 4:50PM0.18m | 5:46AM0.39m | 5:26PM0.23m | 7:00AM0.43m | 6:10PM0.27m | 8:57AM0.42m | 7:07PM0.30m | 10:47AM0.36m | 8:18PM0.31m | ||||||||
 |  | | | |  | | | | | | | | | | | |  | | | |
 | — | — | 6:28 | — | — | 6:28 | — | — | 6:28 | — | — | 6:28 | — | — | 6:28 | — | — | 6:28 | — | — |
 | 6:30 | — | — | 6:30 | — | — | 6:30 | — | — | 6:30 | — | — | 6:30 | — | — | 6:30 | — | — | 6:30 | — |
mm | 2 | 5 | 2 | 5 | 4 | — | 2 | 6 | 3 | 2 | 4 | 3 | 2 | 11 | — | 2 | 3 | — | 1 | 10 |
Temp °C | 29 | 27 | 28 | 28 | 26 | 28 | 28 | 27 | 28 | 28 | 27 | 27 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 27 |
Feels °C | 32 | 30 | 33 | 31 | 29 | 30 | 30 | 30 | 31 | 30 | 29 | 28 | 30 | 29 | 30 | 30 | 30 | 30 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | S 18 | S 17 | S 16 | S 16 | S 14 | S 14 | S 13 | S 13 | S 13 | S 12 | SSW 14 | SSW 16 | SSW 13 | S 19 | SSE 10 | SSE 10 | S 16 | S 15 | SSE 9 |
| kJ | 222 | 1039 | 1174 | 1004 | 954 | 691 | 573 | 356 | 219 | 161 | 110 | 41 | 25 | 18 | 29 | 490 | 378 | 122 | 109 | 305 |
Swell 2 Height (m) Direction Period (s) | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | S 20 | S 18 | S 17 | S 16 | SSE 9 | SSW 12 | SSW 12 | SSW 16 | SW 15 | S 18 | S 17 | SW 15 | SW 14 | S 14 |
| kJ | 41 | 37 | 38 | 56 | 54 | 63 | 7 | 25 | 53 | 46 | 49 | 27 | 15 | 25 | 8 | 57 | 86 | 33 | 33 | 104 |
Swell 3 Height (m) Direction Period (s) | S 18 | SSE 7 | WNW 7 | WNW 8 | WNW 7 | WNW 9 | SSW 20 | WNW 8 | SW 19 | SW 19 | WSW 18 | SW 18 | WNW 11 | S 20 | SW 18 | SW 15 | SW 16 | WNW 9 | SW 14 | WNW 11 |
| kJ | 155 | 37 | 5 | 6 | 5 | 16 | 37 | 6 | 15 | 15 | 31 | 12 | 23 | 8 | 12 | 35 | 38 | 8 | 73 | 12 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | SSE 7 | SSE 7 | SSE 7 | SSE 6 | SSE 8 | SSE 9 | SSE 10 | SSE 10 | SSE 10 | — | — | SSE 9 | SSE 10 | — |
| kJ | — | — | — | — | — | — | 73 | 59 | 93 | 100 | 128 | 318 | 532 | 527 | 570 | — | — | 305 | 394 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 6 | 0 | 0 | 113 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 113 | 0 | 0 | 6 | 0 | 0 |
Best forecast wave conditions in Mentawi Islands | ||||||||||||||||||||
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Information about the Pitstops Surf forecast
The above surf forecast table for Pitstops provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Pitstops can be found by selecting the local surf guide option on the grey menu. Our Pitstops 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 (Pitstops) 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 Pitstops 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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