Riyue Bay (Sun Moon Bay)
GOOD 6.5

Riyue Bay (Sun Moon Bay)

Wanning, Hainan, China

Right now
· Swell SSE 0.5m 4s
OK to surf, not perfectFAIR
Waves
Knee high0.5–0.8m
Short choppy waves· 4s
Wind
Moderate wind, waves a bit bumpy17kph
SSW · gusts 51kph
Best time to surf
AI
Could not generate AI recommendation at this time
Tides
Today
▲11:29 AM0.5m
▼06:34 PM0.5m

Today's Tides · Saturday, April 4, 2026

Now0.26m↘ Falling
▲
High Tide
11:29 AM
0.52m
▼
Low Tide
06:34 PM
0.50m

Next 4 Days

Wave Forecast (5 Days)

0.5–1.0m face · Avg 4s
Primary swell SSE · 0.5m · 4s
Sat, Apr 4
0.5-0.8m
24h
3.9s
0.5-0.8m
03h
4s
0.5-0.8m
06h
4s
0.5-0.8m
09h
4.1s
0.5-0.8m
12h
4.2s
0.6-0.9m
15h
4.3s
0.6-0.9m
18h
4.3s
0.6-0.9m
21h
4.3s
Wave Height (meters)
Top numbers: height · Bottom numbers: period

Wind Forecast (5 Days)

Onshore (estimate) · choppier waves
Sat, Apr 4
6.3
↙
24h
SSW
5.6
↙
03h
SSW
4.3
↓
06h
S
10
↙
09h
SSW
18.1
↓
12h
S
16.6
↙
15h
SSW
5.1
↓
18h
S
4.3
↓
21h
S
Wind Speed (km/h)
Wind Gusts
Arrows match the direction label

Recommendations by Level

FAIR
Good size · short period · Too windy
⏰Best: After 06:34 PM
Inside sections can be suitable for confident beginners at higher tides when the wave is softer. Stick to the whitewash zone and avoid the main peak where more experienced surfers sit.

Tide chart, wave forecast, and surf conditions for Riyue Bay (Sun Moon Bay). Check tide times, wave height, wind direction, and best surf windows.

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