Riyue Bay (Sun Moon Bay)
GOOD 6.5

Riyue Bay (Sun Moon Bay)

Wanning, Hainan, China

Right now
· Swell E 0.3m 4s
OK to surf, not perfectFAIR
Waves
Knee high0.4–0.6m
Short choppy waves· 4s
Wind
Moderate wind14kph
SSE · gusts 34kph
Best time to surf
AI
Could not generate AI recommendation at this time
Tides
Today
▲12:44 PM0.6m
▼08:15 PM0.6m

Today's Tides · Monday, March 23, 2026

Now0.33m↘ Falling
▲
High Tide
12:44 PM
0.64m
▼
Low Tide
08:15 PM
0.62m

Next 4 Days

Wave Forecast (5 Days)

0.3–0.6m face · Avg 4s
Primary swell E · 0.3m · 4s
Mon, Mar 23
0.3-0.5m
24h
3.9s
0.4-0.6m
03h
4.1s
0.4-0.6m
06h
4.3s
0.4-0.6m
09h
4.8s
0.4-0.6m
12h
4.5s
0.4-0.6m
15h
3.9s
0.4-0.6m
18h
3.9s
0.3-0.5m
21h
3.9s
Wave Height (meters)
Top numbers: height · Bottom numbers: period

Wind Forecast (5 Days)

Offshore (estimate) · cleaner waves
Mon, Mar 23
1.8
↙
24h
SW
4
←
03h
W
2.9
←
06h
W
4
↓
09h
S
12
↘
12h
SSE
13.5
↘
15h
SSE
11.8
↘
18h
SSE
3.9
↘
21h
SE
Wind Speed (km/h)
Wind Gusts
Arrows match the direction label

Recommendations by Level

FAIR
Good size · short period · Good wind
⏰Best: Now
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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