Ong-am beach
Coastal areas · South Korea
Rating right now
Ong-am beach is a SE-facing sand beach on the South Korea shoreline, opening onto the Yonghung Bay — it catches E–S swell, and offshore W–N winds tidy the banks through april–october.
Today's surf at Ong-am beach
Updated 10:40 spot time
Ong-am beach surf report for Thursday 1 Oct: waves 0.2 m–0.7 m waist to chest high, 0.3 m W swell at 4.05 s. Wind up to 40 km/h NNW. Water 24°C. Best surf window around 00:00 — poor (1.5/5) with 34 km/h NW wind.
Snapshot refreshed hourly — the live hourly forecast below updates in real time.
10-day forecast
Local time · updates hourly
Wave height & period
Wind
| Time | Rating | Waves | Swell | Wind | Air |
|---|---|---|---|---|---|
Water temperature by month
This month: ~19.5°C (67.1°F) on average
Jan
4.6°C
40.3°F · 2.2–7.2°C
Feb
2.9°C
37.2°F · 0.3–5°C
Mar
4.9°C
40.8°F · 1.7–7.9°C
Apr
8.5°C
47.3°F · 5.8–10.6°C
May
12.8°C
55°F · 8.9–15.3°C
Jun
17.7°C
63.9°F · 14.3–21°C
Jul
21.4°C
70.5°F · 17.8–24°C
Aug
24.4°C
75.9°F · 21.7–27.4°C
Sep
23.8°C
74.8°F · 21.7–27.6°C
Oct
19.5°C
67.1°F · 16.2–22.9°C
Nov
14°C
57.2°F · 9.4–17.2°C
Dec
8.4°C
47.1°F · 4.4–12.8°C
25-year monthly averages from the NOAA OISST satellite record — typical range min–max, not a live reading.
Know before you go
Best swell
E–S
Best wind
W–N
Break type
Beach break
Best season
April–October
Safety: Friendly by surf standards, but rip currents and drop-in etiquette still apply. Shifting sandbars create moving rip currents — learn to spot them and use them to get out back.
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