Semaphore Park Beach
South Australia · Australia
Rating right now
An open W-facing sand beach on the Coastal Waters near South Australia, Semaphore Park Beach works on SW–NW groundswell; NE–SE winds offshore, with conditions most reliable october–april.
10-day forecast
Local time · updates hourly
Wave height & period
Wind
| Time | Rating | Waves | Swell | Wind | Air |
|---|---|---|---|---|---|
Water temperature by month
This month: ~14°C (57.2°F) on average
Jan
21.7°C
71.1°F · 19–24.8°C
Feb
22.3°C
72.1°F · 20.7–23.8°C
Mar
21.5°C
70.7°F · 20–24.5°C
Apr
19.6°C
67.3°F · 17.1–20.7°C
May
17.2°C
63°F · 14.6–19.2°C
Jun
15.1°C
59.2°F · 13.2–16.6°C
Jul
13.4°C
56.1°F · 12.1–14.4°C
Aug
13°C
55.4°F · 12–14.1°C
Sep
14°C
57.2°F · 12.5–15.3°C
Oct
15.8°C
60.4°F · 13.7–17.5°C
Nov
18.1°C
64.6°F · 15.8–20.4°C
Dec
20.1°C
68.2°F · 18–22°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
SW–NW
Best wind
NE–SE
Break type
Beach break
Best season
October–April
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. Sharks are part of the ecosystem here — avoid dawn, dusk and murky rivermouth water.
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