Cas en bas
Gros Islet · Saint Lucia
Rating right now
Cas en bas is a N-facing sand beach on the Coastal Waters coastline near Gros Islet — it picks up NW–NE swell and turns cleanest in a SE–SW wind, with the most consistent surf through year-round.
10-day forecast
Local time · updates hourly
Wave height & period
Wind
| Time | Rating | Waves | Swell | Wind | Air |
|---|---|---|---|---|---|
Water temperature by month
This month: ~29.2°C (84.6°F) on average
Jan
27.1°C
80.8°F · 26.3–27.9°C
Feb
26.9°C
80.4°F · 26.2–27.9°C
Mar
26.8°C
80.2°F · 25.9–28.2°C
Apr
27.3°C
81.1°F · 26.5–28.6°C
May
27.8°C
82°F · 26.7–29.1°C
Jun
28.1°C
82.6°F · 27.3–29.1°C
Jul
28.4°C
83.1°F · 27.6–29.4°C
Aug
28.8°C
83.8°F · 27.7–29.7°C
Sep
29.2°C
84.6°F · 27.9–30.3°C
Oct
29.1°C
84.4°F · 28.2–30.5°C
Nov
28.7°C
83.7°F · 27.7–30.1°C
Dec
27.8°C
82°F · 26.7–29.1°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
NW–NE
Best wind
SE–SW
Break type
Beach break
Best season
Year-round
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.
Nearby spots
Donkey Beach
Gros Islet · Saint Lucia
$5 Beach
Gros Islet · Saint Lucia
Tousalee Beach
Gros Islet · Saint Lucia
Secret Beach
Gros Islet · Saint Lucia
Anse Bécune Beach
Gros Islet · Saint Lucia
Reduit Beach
Gros Islet · Saint Lucia
More beaches in Gros Islet →see all spots in Gros Islet, Saint Lucia
New to reading forecasts?
Two short guides that make the numbers above make sense.