Sisi Beach
Kepulauan Riau · Indonesia
Rating right now
A year-round beach on the Natuna Sea near Kepulauan Riau, Sisi Beach is exposed to N swell — W–NE on the forecast is when it lights up, ideally with a SE–S wind.
Today's surf at Sisi Beach
Updated 11:56 spot time
Sisi Beach surf report for Thursday 1 Oct: waves 0.1 m–0.2 m ankle to knee high, 0.1 m NE swell at 2.4 s. Wind up to 20 km/h SW. Water 31°C. Best surf window around 00:00 — flat (0.5/5) with 20 km/h SW wind.
Snapshot refreshed hourly — the live hourly forecast below updates in real time.
10-day forecast
Local time · updates hourly
Wave height & period
Wind
| Time | Rating | Waves | Swell | Wind | Air |
|---|---|---|---|---|---|
Water temperature by month
This month: ~29.6°C (85.3°F) on average
Jan
27.7°C
81.9°F · 25.7–29.3°C
Feb
27.8°C
82°F · 26.3–28.8°C
Mar
28.4°C
83.1°F · 27.2–29.5°C
Apr
29.2°C
84.6°F · 28.1–30°C
May
30.1°C
86.2°F · 28.9–31.3°C
Jun
30.1°C
86.2°F · 29.5–30.7°C
Jul
29.7°C
85.5°F · 28.5–30.9°C
Aug
29.7°C
85.5°F · 28.9–30.8°C
Sep
29.6°C
85.3°F · 28.4–30.7°C
Oct
29.6°C
85.3°F · 28.8–30.3°C
Nov
29.4°C
84.9°F · 28.3–30.5°C
Dec
28.8°C
83.8°F · 27–30.5°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
W–NE
Best wind
SE–S
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.
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