Spiaggia del Principe
Miren-Kostanjevica · Slovenia
Rating right now
Spiaggia del Principe is a S-facing pebble beach on the Adriatic Sea coastline near Miren-Kostanjevica — it picks up SE–SW swell and turns cleanest in a NW–NE wind, with the most consistent surf 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: ~23.1°C (73.6°F) on average
Jan
11°C
51.8°F · 7.9–13.1°C
Feb
9.9°C
49.8°F · 7.6–11.5°C
Mar
10.2°C
50.4°F · 7.9–12.8°C
Apr
13.7°C
56.7°F · 10.8–18°C
May
18°C
64.4°F · 14.1–23.4°C
Jun
23.1°C
73.6°F · 19.2–26.8°C
Jul
25.3°C
77.5°F · 23.2–27.2°C
Aug
25.8°C
78.4°F · 23.4–28.5°C
Sep
23.1°C
73.6°F · 20.6–27.6°C
Oct
19.7°C
67.5°F · 16.4–22.9°C
Nov
16.5°C
61.7°F · 14–19.7°C
Dec
13.4°C
56.1°F · 10.9–16.2°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
SE–SW
Best wind
NW–NE
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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More beaches in Miren-Kostanjevica →see all spots in Miren-Kostanjevica, Slovenia
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