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Surf Fair Spot type flat water

Yalong Bay

Sanya / China

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Surf Kitesurf Wingfoil Windsurf Sailing
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Surf score
58 /100
Fair Grade C

Best window today: 06:00 - 10:00 · fair classification

Best window today 06:00 - 10:00 fair classification
Wind
4 km/h - Unstable Direction W Calm — glassy conditions
Wind alignment Cross wind 90° between wind and swell
Swell
0.4 m - 3 s Direction S Small waves
Wave energy 0.2 kW/m Weak — about 0 kJ/m
Today's peak hour 21:00 0.5 m · 6 s · outside typical window
Tide High tide Ideal: Mid tide Wait for the next tide
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Map, charts, and hour-by-hour table — for the deeper read.

Local forecast

Regional field and full spot read

Spatial distribution on the map and a consolidated read of the selected spot beside it.

Active frame 04/06 00h
Regional field Local map
Spatial comparison around the spot.
04/06 00h
Wind Swell

7-day window

How each metric ranges

Min, max, and where the current reading falls inside the ideal band.

Swell height 0.4 m
0.1 m 1.7 m

Ideal between 0.3 m and 1.5 m

Swell period 2.9 s
1.4 s 11.4 s

Ideal between 5.0 s and 10.0 s

Wind 4.0 km/h
0.0 km/h 21.6 km/h

Ideal between 0.0 km/h and 18.0 km/h

Water temperature 30.6 C
20.3 C 32.3 C

Ideal between 22.0 C and 28.0 C

Hourly forecast

Next 7 days GMT+8
Power 0.2 kW/m Deep-water energy estimate
Consistency 29/100 Relative window for the next hours
Air temperature 29.0 C Current frame reading
Sea level 0.27 m Updated 04/06 09:05 | Timezone GMT+8
Surf height 0.3 m
04/06
0.3 m 5s SSE 00h
0.4 m 4s SSE 03h
0.4 m 4s S 06h
0.5 m 4s S 09h
0.4 m 5s S 12h
0.4 m 5s S 15h
0.4 m 5s S 18h
0.5 m 6s S 21h
05/06
0.5 m 6s SSE 00h
0.6 m 5s S 03h
0.6 m 5s S 06h
0.6 m 5s S 09h
0.6 m 5s S 12h
0.7 m 4s SSW 15h
0.7 m 5s SSW 18h
0.6 m 6s S 21h
06/06
0.6 m 6s S 00h
0.6 m 6s SSE 03h
0.6 m 6s SSE 06h
0.6 m 5s SSE 09h
0.6 m 5s SSE 12h
0.6 m 5s S 15h
0.6 m 5s S 18h
0.6 m 6s S 21h
07/06
0.6 m 6s SSE 00h
0.7 m 5s SSE 03h
0.7 m 5s SSE 06h
0.7 m 5s SSE 09h
0.7 m 5s S 12h
0.7 m 5s S 15h
0.7 m 5s S 18h
0.7 m 5s S 21h
08/06
0.7 m 5s S 00h
0.8 m 5s SSE 03h
0.9 m 5s SSE 06h
0.8 m 5s SSE 09h
0.8 m 5s S 12h
0.9 m 5s S 15h
0.8 m 5s S 18h
0.8 m 6s S 21h
09/06
0.8 m 5s S 00h
0.8 m 5s S 03h
0.8 m 5s S 06h
0.8 m 5s S 09h
0.8 m 5s S 12h
0.9 m 5s SSW 15h
1.0 m 5s SSW 18h
0.9 m 6s S 21h
10/06
0.8 m 6s S 00h
0.8 m 6s S 03h
0.7 m 6s S 06h
0.6 m 6s S 09h
0.6 m 6s S 12h
0.6 m 5s S 15h
0.6 m 6s S 18h
0.6 m 6s S 21h
Wind 6 km/h
04/06
6 km/h SSW 00h
8 km/h SW 03h
8 km/h W 06h
7 km/h WSW 09h
14 km/h SW 12h
14 km/h SW 15h
13 km/h SW 18h
12 km/h SSW 21h
05/06
7 km/h SW 00h
13 km/h SW 03h
8 km/h W 06h
12 km/h WSW 09h
19 km/h WSW 12h
25 km/h W 15h
17 km/h WSW 18h
7 km/h SSW 21h
06/06
1 km/h NNE 00h
1 km/h SW 03h
9 km/h W 06h
8 km/h W 09h
26 km/h WSW 12h
26 km/h WSW 15h
15 km/h WSW 18h
11 km/h SW 21h
07/06
9 km/h SSW 00h
16 km/h SW 03h
12 km/h W 06h
12 km/h WSW 09h
24 km/h WSW 12h
20 km/h WSW 15h
11 km/h WSW 18h
9 km/h S 21h
08/06
15 km/h S 00h
6 km/h WSW 03h
20 km/h WNW 06h
22 km/h WSW 09h
27 km/h WSW 12h
21 km/h WSW 15h
11 km/h SW 18h
7 km/h SSW 21h
09/06
8 km/h SSW 00h
8 km/h SSW 03h
7 km/h WSW 06h
17 km/h W 09h
29 km/h W 12h
28 km/h W 15h
21 km/h W 18h
11 km/h W 21h
10/06
5 km/h NW 00h
4 km/h NW 03h
7 km/h WNW 06h
11 km/h W 09h
15 km/h WSW 12h
16 km/h WSW 15h
12 km/h WSW 18h
10 km/h WSW 21h
Wave energy 0.2 kW/m
04/06
0.2 kW/m 0.3m 00h
0.3 kW/m 0.4m 03h
0.4 kW/m 0.4m 06h
0.5 kW/m 0.5m 09h
0.4 kW/m 0.4m 12h
0.5 kW/m 0.4m 15h
0.5 kW/m 0.4m 18h
0.6 kW/m 0.5m 21h
05/06
0.7 kW/m 0.5m 00h
0.9 kW/m 0.6m 03h
1.1 kW/m 0.6m 06h
1.0 kW/m 0.6m 09h
1.0 kW/m 0.6m 12h
1.1 kW/m 0.7m 15h
1.1 kW/m 0.7m 18h
1.1 kW/m 0.6m 21h
06/06
1.2 kW/m 0.6m 00h
1.1 kW/m 0.6m 03h
0.9 kW/m 0.6m 06h
0.9 kW/m 0.6m 09h
0.9 kW/m 0.6m 12h
0.9 kW/m 0.6m 15h
1.0 kW/m 0.6m 18h
1.1 kW/m 0.6m 21h
07/06
1.1 kW/m 0.6m 00h
1.1 kW/m 0.7m 03h
1.2 kW/m 0.7m 06h
1.2 kW/m 0.7m 09h
1.1 kW/m 0.7m 12h
1.2 kW/m 0.7m 15h
1.2 kW/m 0.7m 18h
1.2 kW/m 0.7m 21h
08/06
1.3 kW/m 0.7m 00h
1.5 kW/m 0.8m 03h
1.8 kW/m 0.9m 06h
1.8 kW/m 0.8m 09h
1.7 kW/m 0.8m 12h
1.8 kW/m 0.9m 15h
1.8 kW/m 0.8m 18h
1.6 kW/m 0.8m 21h
09/06
1.6 kW/m 0.8m 00h
1.6 kW/m 0.8m 03h
1.6 kW/m 0.8m 06h
1.6 kW/m 0.8m 09h
1.7 kW/m 0.8m 12h
2.1 kW/m 0.9m 15h
2.4 kW/m 1.0m 18h
2.2 kW/m 0.9m 21h
10/06
2.0 kW/m 0.8m 00h
1.8 kW/m 0.8m 03h
1.4 kW/m 0.7m 06h
1.1 kW/m 0.6m 09h
0.9 kW/m 0.6m 12h
0.9 kW/m 0.6m 15h
1.0 kW/m 0.6m 18h
1.0 kW/m 0.6m 21h
Consistency 23/100
04/06
23/100 window 00h
22/100 window 03h
24/100 window 06h
27/100 window 09h
28/100 window 12h
29/100 window 15h
30/100 window 18h
30/100 window 21h
05/06
31/100 window 00h
32/100 window 03h
34/100 window 06h
34/100 window 09h
32/100 window 12h
33/100 window 15h
34/100 window 18h
35/100 window 21h
06/06
37/100 window 00h
36/100 window 03h
35/100 window 06h
33/100 window 09h
32/100 window 12h
32/100 window 15h
33/100 window 18h
35/100 window 21h
07/06
35/100 window 00h
34/100 window 03h
34/100 window 06h
34/100 window 09h
34/100 window 12h
34/100 window 15h
35/100 window 18h
35/100 window 21h
08/06
34/100 window 00h
35/100 window 03h
37/100 window 06h
38/100 window 09h
38/100 window 12h
38/100 window 15h
37/100 window 18h
38/100 window 21h
09/06
38/100 window 00h
37/100 window 03h
38/100 window 06h
38/100 window 09h
36/100 window 12h
38/100 window 15h
40/100 window 18h
40/100 window 21h
10/06
40/100 window 00h
38/100 window 03h
36/100 window 06h
35/100 window 09h
35/100 window 12h
34/100 window 15h
35/100 window 18h
35/100 window 21h
Weather 29.0 C
04/06
29.0 C 0% rain 00h
28.8 C 4% rain 03h
28.6 C 11% rain 06h
31.8 C 3% rain 09h
33.6 C 7% rain 12h
33.6 C 11% rain 15h
31.9 C 0% rain 18h
30.2 C 1% rain 21h
05/06
29.0 C 2% rain 00h
29.2 C 4% rain 03h
28.2 C 10% rain 06h
32.0 C 11% rain 09h
34.0 C 5% rain 12h
33.9 C 0% rain 15h
31.8 C 0% rain 18h
29.7 C 0% rain 21h
06/06
27.4 C 11% rain 00h
28.2 C 47% rain 03h
26.6 C 71% rain 06h
29.4 C 70% rain 09h
32.8 C 43% rain 12h
32.9 C 19% rain 15h
31.2 C 4% rain 18h
30.1 C 6% rain 21h
07/06
29.9 C 18% rain 00h
29.7 C 47% rain 03h
26.4 C 68% rain 06h
29.2 C 64% rain 09h
32.8 C 31% rain 12h
32.8 C 20% rain 15h
31.4 C 6% rain 18h
30.0 C 0% rain 21h
08/06
30.2 C 16% rain 00h
28.0 C 50% rain 03h
25.4 C 63% rain 06h
29.9 C 54% rain 09h
32.8 C 39% rain 12h
32.5 C 28% rain 15h
31.1 C 11% rain 18h
29.6 C 10% rain 21h
09/06
29.4 C 33% rain 00h
28.2 C 75% rain 03h
26.6 C 79% rain 06h
28.5 C 70% rain 09h
31.1 C 55% rain 12h
30.8 C 32% rain 15h
30.0 C 21% rain 18h
28.4 C 13% rain 21h
10/06
27.5 C 32% rain 00h
26.2 C 67% rain 03h
25.6 C 75% rain 06h
26.2 C 77% rain 09h
29.0 C 68% rain 12h
30.4 C 54% rain 15h
29.1 C 38% rain 18h
28.0 C 31% rain 21h
Swell height 0.3 m
0.1 0.6 1.2 1.7 00h 04/06 18h 05/06 12h 07/06 03h 09/06 21h 10/06

Ideal range 0.3m to 1.5m

Swell period 5s
2.9 5.6 8.4 11.1 00h 04/06 18h 05/06 12h 07/06 03h 09/06 21h 10/06

Ideal range 5.0s to 10.0s

Wind 6 km/h
-5.1 7.8 20.8 33.7 00h 04/06 18h 05/06 12h 07/06 03h 09/06 21h 10/06

Ideal range 0.0km/h to 18.0km/h

Water temperature 31.0 C
20.3 24.6 28.8 33.1 00h 04/06 18h 05/06 12h 07/06 03h 09/06 21h 10/06

Ideal range 22.0C to 28.0C

Air temperature 29.0 C
23.9 27.8 31.6 35.5 00h 04/06 18h 05/06 12h 07/06 03h 09/06 21h 10/06

No ideal range defined

Rain probability 0%
-14.2 21.6 57.4 93.2 00h 04/06 18h 05/06 12h 07/06 03h 09/06 21h 10/06

No ideal range defined

Sea level 0.3 m
-0.3 0.3 1 1.6 00h 04/06 18h 05/06 12h 07/06 03h 09/06 21h 10/06

No ideal range defined

Wave power 0.2 kW/m
-0.2 0.8 1.8 2.7 00h 04/06 18h 05/06 12h 07/06 03h 09/06 21h 10/06

No ideal range defined

Compiled read

Hourly board

56 spot frames
Day Time Swell Period Dir. Wind Wind dir. Air Water Rain Level Power
04/06 00:00 0.3 m 5 s SSE 6 km/h SSW 29.0 C 31.0 C 0% 0.27 m 0.2 kW/m
04/06 03:00 0.4 m 4 s SSE 8 km/h SW 28.8 C 30.8 C 4% 0.52 m 0.3 kW/m
04/06 06:00 0.4 m 4 s S 8 km/h W 28.6 C 30.6 C 11% 0.78 m 0.4 kW/m
04/06 09:00 0.5 m 4 s S 7 km/h WSW 31.8 C 30.8 C 3% 1.21 m 0.5 kW/m
04/06 12:00 0.4 m 5 s S 14 km/h SW 33.6 C 31.2 C 7% 1.39 m 0.4 kW/m
04/06 15:00 0.4 m 5 s S 14 km/h SW 33.6 C 31.4 C 11% 0.94 m 0.5 kW/m
04/06 18:00 0.4 m 5 s S 13 km/h SW 31.9 C 31.3 C 0% 0.21 m 0.5 kW/m
04/06 21:00 0.5 m 6 s S 12 km/h SSW 30.2 C 31.1 C 1% -0.05 m 0.6 kW/m
05/06 00:00 0.5 m 6 s SSE 7 km/h SW 29.0 C 31.0 C 2% 0.19 m 0.7 kW/m
05/06 03:00 0.6 m 5 s S 13 km/h SW 29.2 C 30.9 C 4% 0.48 m 0.9 kW/m
05/06 06:00 0.6 m 5 s S 8 km/h W 28.2 C 30.8 C 10% 0.69 m 1.1 kW/m
05/06 09:00 0.6 m 5 s S 12 km/h WSW 32.0 C 30.8 C 11% 1.07 m 1.0 kW/m
05/06 12:00 0.6 m 5 s S 19 km/h WSW 34.0 C 31.0 C 5% 1.34 m 1.0 kW/m
05/06 15:00 0.7 m 4 s SSW 25 km/h W 33.9 C 31.1 C 0% 1.05 m 1.1 kW/m
05/06 18:00 0.7 m 5 s SSW 17 km/h WSW 31.8 C 31.0 C 0% 0.36 m 1.1 kW/m
05/06 21:00 0.6 m 6 s S 7 km/h SSW 29.7 C 30.8 C 0% -0.03 m 1.1 kW/m
06/06 00:00 0.6 m 6 s S 1 km/h NNE 27.4 C 30.7 C 11% 0.13 m 1.2 kW/m
06/06 03:00 0.6 m 6 s SSE 1 km/h SW 28.2 C 30.6 C 47% 0.46 m 1.1 kW/m
06/06 06:00 0.6 m 6 s SSE 9 km/h W 26.6 C 30.5 C 71% 0.65 m 0.9 kW/m
06/06 09:00 0.6 m 5 s SSE 8 km/h W 29.4 C 30.5 C 70% 0.94 m 0.9 kW/m
06/06 12:00 0.6 m 5 s SSE 26 km/h WSW 32.8 C 30.6 C 43% 1.23 m 0.9 kW/m
06/06 15:00 0.6 m 5 s S 26 km/h WSW 32.9 C 30.6 C 19% 1.08 m 0.9 kW/m
06/06 18:00 0.6 m 5 s S 15 km/h WSW 31.2 C 30.5 C 4% 0.45 m 1.0 kW/m
06/06 21:00 0.6 m 6 s S 11 km/h SW 30.1 C 30.4 C 6% 0.01 m 1.1 kW/m
07/06 00:00 0.6 m 6 s SSE 9 km/h SSW 29.9 C 30.4 C 18% 0.10 m 1.1 kW/m
07/06 03:00 0.7 m 5 s SSE 16 km/h SW 29.7 C 30.4 C 47% 0.44 m 1.1 kW/m
07/06 06:00 0.7 m 5 s SSE 12 km/h W 26.4 C 30.4 C 68% 0.63 m 1.2 kW/m
07/06 09:00 0.7 m 5 s SSE 12 km/h WSW 29.2 C 30.5 C 64% 0.85 m 1.2 kW/m
07/06 12:00 0.7 m 5 s S 24 km/h WSW 32.8 C 30.5 C 31% 1.12 m 1.1 kW/m
07/06 15:00 0.7 m 5 s S 20 km/h WSW 32.8 C 30.5 C 20% 1.11 m 1.2 kW/m
07/06 18:00 0.7 m 5 s S 11 km/h WSW 31.4 C 30.4 C 6% 0.62 m 1.2 kW/m
07/06 21:00 0.7 m 5 s S 9 km/h S 30.0 C 30.4 C 0% 0.13 m 1.2 kW/m
08/06 00:00 0.7 m 5 s S 15 km/h S 30.2 C 30.5 C 16% 0.14 m 1.3 kW/m
08/06 03:00 0.8 m 5 s SSE 6 km/h WSW 28.0 C 30.5 C 50% 0.47 m 1.5 kW/m
08/06 06:00 0.9 m 5 s SSE 20 km/h WNW 25.4 C 30.4 C 63% 0.66 m 1.8 kW/m
08/06 09:00 0.8 m 5 s SSE 22 km/h WSW 29.9 C 30.2 C 54% 0.76 m 1.8 kW/m
08/06 12:00 0.8 m 5 s S 27 km/h WSW 32.8 C 30.0 C 39% 0.94 m 1.7 kW/m
08/06 15:00 0.9 m 5 s S 21 km/h WSW 32.5 C 30.0 C 28% 1.00 m 1.8 kW/m
08/06 18:00 0.8 m 5 s S 11 km/h SW 31.1 C 30.0 C 11% 0.69 m 1.8 kW/m
08/06 21:00 0.8 m 6 s S 7 km/h SSW 29.6 C 30.1 C 10% 0.23 m 1.6 kW/m
09/06 00:00 0.8 m 5 s S 8 km/h SSW 29.4 C 30.4 C 33% 0.17 m 1.6 kW/m
09/06 03:00 0.8 m 5 s S 8 km/h SSW 28.2 C 30.5 C 75% 0.50 m 1.6 kW/m
09/06 06:00 0.8 m 5 s S 7 km/h WSW 26.6 C 30.5 C 79% 0.73 m 1.6 kW/m
09/06 09:00 0.8 m 5 s S 17 km/h W 28.5 C 30.3 C 70% 0.70 m 1.6 kW/m
09/06 12:00 0.8 m 5 s S 29 km/h W 31.1 C 30.0 C 55% 0.73 m 1.7 kW/m
09/06 15:00 0.9 m 5 s SSW 28 km/h W 30.8 C 29.7 C 32% 0.80 m 2.1 kW/m
09/06 18:00 1.0 m 5 s SSW 21 km/h W 30.0 C 29.4 C 21% 0.67 m 2.4 kW/m
09/06 21:00 0.9 m 6 s S 11 km/h W 28.4 C 29.2 C 13% 0.31 m 2.2 kW/m
10/06 00:00 0.8 m 6 s S 5 km/h NW 27.5 C 29.5 C 32% 0.23 m 2.0 kW/m
10/06 03:00 0.8 m 6 s S 4 km/h NW 26.2 C 29.7 C 67% 0.54 m 1.8 kW/m
10/06 06:00 0.7 m 6 s S 7 km/h WNW 25.6 C 30.0 C 75% 0.80 m 1.4 kW/m
10/06 09:00 0.6 m 6 s S 11 km/h W 26.2 C 30.2 C 77% 0.68 m 1.1 kW/m
10/06 12:00 0.6 m 6 s S 15 km/h WSW 29.0 C 30.5 C 68% 0.53 m 0.9 kW/m
10/06 15:00 0.6 m 5 s S 16 km/h WSW 30.4 C 30.4 C 54% 0.57 m 0.9 kW/m
10/06 18:00 0.6 m 6 s S 12 km/h WSW 29.1 C 29.9 C 38% 0.60 m 1.0 kW/m
10/06 21:00 0.6 m 6 s S 10 km/h WSW 28.0 C 29.4 C 31% 0.40 m 1.0 kW/m

Quick spot sheet

Type
flat water
Level
Intermediate
Region
Asia
Best window today
06:00-10:00
Ideal wind
N
Ideal swell
SE

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