Riyue Bay (Sun Moon Bay)
GOOD 6.0

Riyue Bay (Sun Moon Bay)

Wanning, Hainan, China

Right now
· Swell SSE 0.4m 4s
Too windySKIP TODAY
Waves
Waist high0.7–1.1m
Short choppy waves· 4s
Wind
Windy — choppy, harder to surf18kph
S · gusts 49kph
Best time to surf
AI
Could not generate AI recommendation at this time
Tides
Today
▲10:24 AM0.1m
▼03:25 PM0.2m
▲09:45 PM0.5m

Today's Tides · Tuesday, March 31, 2026

Now0.07m↘ Falling
▲
High Tide
10:24 AM
0.15m
▲
High Tide
09:45 PM
0.50m
▼
Low Tide
03:25 PM
0.18m

Next 4 Days

Wave Forecast (5 Days)

0.5–1.1m face · Avg 4s
Primary swell SSE · 0.4m · 4s
Tue, Mar 31
0.6-0.9m
24h
3.9s
0.6-0.9m
03h
3.9s
0.6-0.9m
06h
3.9s
0.7-1.0m
09h
3.9s
0.7-1.1m
12h
4.3s
0.6-1.0m
15h
4.4s
0.6-0.9m
18h
4.2s
0.5-0.8m
21h
3.8s
Wave Height (meters)
Top numbers: height · Bottom numbers: period

Wind Forecast (5 Days)

Onshore (estimate) · choppier waves
Tue, Mar 31
5.5
↙
24h
SSW
5.6
↙
03h
SSW
5.8
↙
06h
SSW
10.8
↙
09h
SSW
18.4
↓
12h
S
20
↓
15h
S
12
↓
18h
S
5.4
↓
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 03:25 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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