구산해수욕장
Gangwon · South Korea
Rating right now
구산해수욕장 is a E-facing sand beach on the South Korea shoreline, opening onto the South Sea — it catches NE–SE swell, and offshore SW–NW winds tidy the banks through april–october.
10-day forecast
Local time · updates hourly
Wave height & period
Wind
| Time | Rating | Waves | Swell | Wind | Air |
|---|---|---|---|---|---|
Water temperature by month
This month: ~23.5°C (74.3°F) on average
Jan
12.9°C
55.2°F · 10.5–15.7°C
Feb
11.8°C
53.2°F · 9.4–13.8°C
Mar
12°C
53.6°F · 10.1–14.1°C
Apr
13.9°C
57°F · 10.1–16.4°C
May
15.9°C
60.6°F · 12.7–18.6°C
Jun
19.6°C
67.3°F · 15.6–21.8°C
Jul
21.9°C
71.4°F · 18.8–26.8°C
Aug
25.1°C
77.2°F · 21.1–27.3°C
Sep
23.5°C
74.3°F · 20.6–26.8°C
Oct
21.2°C
70.2°F · 18.4–24.8°C
Nov
18.1°C
64.6°F · 14.9–21.6°C
Dec
15.5°C
59.9°F · 12.8–18.1°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
NE–SE
Best wind
SW–NW
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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