Ŋalarrk (Lonely Beach)
Northern Territory · Australia
Rating right now
Ŋalarrk (Lonely Beach) is a SE-facing sand beach on the Australia shoreline, opening onto the Arafura Sea — it catches E–S swell, and offshore W–N winds tidy the banks 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: ~26.5°C (79.7°F) on average
Jan
30°C
86°F · 29–31.2°C
Feb
29.9°C
85.8°F · 28.1–31°C
Mar
29.9°C
85.8°F · 28–31.4°C
Apr
29.5°C
85.1°F · 27.2–30.7°C
May
28.3°C
82.9°F · 26.3–29.7°C
Jun
26.3°C
79.3°F · 23.5–28.9°C
Jul
25.2°C
77.4°F · 23–27.7°C
Aug
25.2°C
77.4°F · 23.6–26.2°C
Sep
26.5°C
79.7°F · 24.9–27.8°C
Oct
27.9°C
82.2°F · 26.8–29.3°C
Nov
29.1°C
84.4°F · 27.7–31.6°C
Dec
30°C
86°F · 28.2–31.1°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
E–S
Best wind
W–N
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. Sharks are part of the ecosystem here — avoid dawn, dusk and murky rivermouth water.
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