Skip to content
SwimmablehomeFind a swim

Guam · Bay

Can you swim at Naton Beach, Tumon Bay today?

6.2FAIR

Fair · 6.2

High UV index (8.0) – wear sunscreen

Updated

Heads up

  • High UV index (8.0) – wear sunscreen
  • Unstable weather – thunderstorms possible

Swim brief

Conditions are mixed right now: 6.2 out of 10. Water is 29.1 °C, measured at NDBC buoy APRP7 (1630000 - Apra Harbor, Guam) (APRP7). Rough waves around 1.1 m, moderate wind at 25 km/h. Air 32 °C, UV 8 (very high). Best window in the next 24 hours: 7 am to 1 pm, averaging 7.7.

Written from the readings below. Not a safety guarantee: follow lifeguards and posted signs.

The readings

  • Water temperature
    29.1 °C
    NDBC buoy APRP7 (1630000 - Apra Harbor, Guam) (APRP7) (measured) · fetched
    Good
  • Water quality
    No reading
    Advisories are published by the state beach program (see below)
    –
  • Waves
    1.1 m
    Open-Meteo Marine (model) · fetched
    Good
  • Wind
    25 km/h
    Open-Meteo Forecast (model) · fetched
    Fair
  • Air temperature
    32 °C
    Open-Meteo Forecast (model) · fetched
    Good
  • UV index
    UV 8 · very high
    Open-Meteo Forecast (model) · fetched
    Fair
  • Thunderstorms
    No reading
    No source reported a value
    –
  • Weather alerts
    No reading
    Weather provider does not report alerts
    Fair

Today

Loading the hourly forecast

Questions about Naton Beach, Tumon Bay

Is it safe to swim at Naton Beach, Tumon Bay today?

Swimmable can't tell you a spot is safe; conditions change fast and no score is a guarantee. Right now its Swim Score is 6.2 out of 10 (Fair), summarised from public weather, marine and water data. Check whether lifeguards are on duty and follow posted signs and flags.

What is the water temperature at Naton Beach, Tumon Bay?

The latest reading is 29.1 °C. The page shows its source and when it was fetched.

Is the water clean at Naton Beach, Tumon Bay?

This beach is monitored under the U.S. BEACH Act. Advisories and closures are published by the state or local program listed in EPA BEACON; check it before you swim.

How is the Swim Score calculated?

The score out of 10 combines water temperature, air temperature, UV, wind and weather, waves and weather alerts from public sources such as NOAA, NDBC and Open-Meteo. Missing readings are left out and shown as missing, never guessed.