Reef

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Level 6/10

Yo-Yo's

West Sumbawa, Indonesia

🪸Sharp reef

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WSL QS venue. Ridiculously fun right for high-performance surfing. Limestone backdrop.

10-Day Forecast

Thu6

Firing

1.2mSSW@15s

6km/h

1.2m@15s

6km/h

Fri7

Good

1.5mSSW@14s

9km/h

1.5m@14s

9km/h

Sat8

Firing

1.5mSSW@14s

7km/h

1.5m@14s

7km/h

Sun9

Good

1.4mSSW@13s

10km/h

1.4m@13s

10km/h

Mon10

Good

1.7mSSW@14s

8km/h

1.7m@14s

8km/h

Tue11

Good

2.1mSSW@13s

8km/h

2.1m@13s

8km/h

Wed12

Good

1.5mSSW@13s

8km/h

1.5m@13s

8km/h

Thu13

Good

2.2mSSW@14s

7km/h

2.2m@14s

7km/h

Fri14

Good

1.8mSSW@13s

6km/h

1.8m@13s

6km/h

Sat15

Good

1.5mSSW@13s

7km/h

1.5m@13s

7km/h

5+ days out, less certain

View 2-year historical scores →

Today's Conditions

Find Flights

Best session: AfternoonAM 10 km/h · PM 5 km/h · High tide at 2pm (1.5m)

Swell

1.2m

SSW(210°)

Score: 11/25

Period

15s

Long period groundswell

Score: 25/25

Wind

6km/h

E(96°)

Score: 21/25

Weather

27°C

0.0mm28%

First light 5:55amSunrise 6:25amSunset 6:11pmLast light 6:41pm

Windswell0.1m@1sSecondary0.4mConfidence

100%

Location & Conditions

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Swell

Wind

Showing forecast for today

Hourly Forecast, Tide & Strike Windows

Strike window: 5:55–7:35am · droppingStrike window: 9:50am–6:41pm · through highIdeal tide: 0.7–1.8m

6am

9am

12pm

3pm

6pm

6am

9am

12pm

3pm

6pm

6am

9am

12pm

3pm

6pm

6am

9am

12pm

3pm

6pm

6am

9am

12pm

3pm

6pm

6am

9am

12pm

3pm

6pm

6am

9am

12pm

3pm

6pm

6am

9am

12pm

3pm

6pm

6am

9am

12pm

3pm

6pm

6am

9am

12pm

3pm

6pm

°C

18°

26°

30°

31°

26°

19°

26°

30°

29°

26°

20°

26°

30°

31°

26°

22°

25°

30°

26°

21°

25°

30°

29°

24°

21°

25°

30°

29°

25°

23°

25°

28°

29°

25°

23°

25°

28°

29°

26°

23°

26°

30°

31°

27°

24°

25°

28°

29°

26°

3m1.5

sec

14s

15s

14s

13s

17s

14s

13s

12s

13s

14s

13s

swell

windkm/h

9g18

10g26

3g23

3g17

6g13

10g20

8g21

3g16

14g38

4g22

8g20

9g24

3g24

4g23

12g25

4g12

6g17

11g30

13g35

15g38

5g14

4g16

5g24

9g37

16g39

5g13

7g21

4g23

9g27

13g31

11g23

6g25

9g39

12g46

5g40

9g20

4g21

9g30

12g36

3g37

8g18

5g21

5g28

7g32

6g33

5g14

1g14

10g30

13g40

3g39

tidem

2:00am2.1m

8:42am0.6m

2:30pm1.5m

7:53pm0.7m

2:39am2.1m

9:50am0.7m

3:30pm1.3m

8:12pm0.9m

3:40am2.0m

11:36am0.7m

5:54pm1.1m

5:21am1.9m

1:38pm0.6m

9:45pm1.3m

7:05am2.0m

2:51pm0.4m

9:45pm1.5m

2:06am1.1m

8:22am2.2m

3:33pm0.2m

10:02pm1.7m

3:08am0.8m

9:21am2.4m

4:10pm0.1m

10:27pm1.9m

3:57am0.6m

10:06am2.5m

4:43pm0.0m

4:39am0.4m

10:47am2.6m

5:13pm0.0m

5:18am0.3m

Ideal tideStrike windowNight

Tide times today

2:00 am

High tide - 2.13m

8:42 am

Low tide - 0.59m

2:30 pm

High tide - 1.52m

7:53 pm

Low tide - 0.74m

Times shown in spot-local time.

Strike Score Breakdown

Firing

Components

Swell Direction21/25

Swell Size11/25

Swell Period25/25

Wind21/25

Raw Score78/100

Adjustments

🌊 Tide+5

💨 Gusty Wind-3

Adjusted Score80/100

Confidence

Multiplier×1.00

Final Score80

🌊 Optimal tide window

Plan Your Strike

Return flights to SWQ, departing today with a 5-day trip window.

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Location & Conditions

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Swell

Wind

Showing forecast for today

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Spot Details

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Swell Requirements

Optimal direction: SW (215°)
Direction range: 200° - 230°
Size range: 0.9m - 2.4m
Ideal size: 1.9m
Height multiplier: 0.97×
Ideal period: 14s+

Wind Requirements

Optimal direction: NE (45°)
Offshore range: 15° - 75°

Tide Requirements

Optimal tide: mid to high
Optimal range: 0.7m - 1.8m

Water temp

28°C

Wetsuit

Boardshorts / Rashguard

Difficulty

6/10

Crowd level

4/10

Frequently Asked Questions

What tide is best at Yo-Yo's?

Yo-Yo's works best on a mid to high tide, ideally between 0.7m and 1.8m on the local tide chart. The tide chart above shows today’s strike window.

What wind direction is offshore at Yo-Yo's?

Offshore wind at Yo-Yo's blows from the NE (45°). Anything in the 15° to 75° range grooms the faces; outside it, expect chop or bumpy conditions.

What swell size and direction work best at Yo-Yo's?

Yo-Yo's wants SW swell (200° to 230°) between 0.9m and 2.4m, with a period of 14s or more for quality waves.

When is the best time of year to surf Yo-Yo's?

The main season at Yo-Yo's is Apr-Oct. A secondary window runs Nov, Dec, Jan, Feb, Mar. Best Apr-Oct (dry season, SE trades offshore). Swells year-round but wet season brings onshore winds.