Asan Beach
Coastal areas · Guam
Rating right now
Asan Beach is a NW-facing sand beach on the Guam shoreline, opening onto the Philippine Sea — it catches W–N swell, and offshore E–S winds tidy the banks through year-round.
Today's surf at Asan Beach
Updated 13:53 spot time
Asan Beach surf report for Thursday 1 Oct: waves 0.8 m–1.5 m overhead, 0.7 m SSW swell at 4.85 s. Wind up to 33 km/h W. Water 30°C. Best surf window around 09:00 — fun (3/5) with 27 km/h W 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: ~29.5°C (85.1°F) on average
Jan
28.2°C
82.8°F · 27.5–29.2°C
Feb
27.7°C
81.9°F · 26.5–28.4°C
Mar
27.9°C
82.2°F · 27–28.6°C
Apr
28.5°C
83.3°F · 27.8–29.3°C
May
29°C
84.2°F · 28.1–29.9°C
Jun
29.5°C
85.1°F · 28.4–30.6°C
Jul
29.5°C
85.1°F · 28.2–30.2°C
Aug
29.6°C
85.3°F · 28.1–30.2°C
Sep
29.6°C
85.3°F · 27.7–30.4°C
Oct
29.5°C
85.1°F · 28.8–30.2°C
Nov
29.3°C
84.7°F · 28.3–30.3°C
Dec
28.9°C
84°F · 27.7–29.9°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–N
Best wind
E–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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