Tumon Bay, Guam, Tamuning Weather

13.5061° N, 144.797° E

08.06.2026 (Monday)

Low fish activity: 60%
Rain detected – challenging conditions
Limited depth — proceed slowly (1.0 m, LAT)
High water temperature (29.6 °C)

09.06.2026 (Tuesday)

Good fishing forecast: high fish activity 74%, best time 09:00, 21:00
Rain detected – challenging conditions
Limited depth — proceed slowly (1.0 m, LAT)
High water temperature (29.6 °C)

10.06.2026 (Wednesday)

Low fish activity: 54%
Heavy rain – dangerous conditions possible (>2 mm)
Limited depth — proceed slowly (1.0 m, LAT)
High water temperature (29.6 °C)

11.06.2026 (Thursday)

Low fish activity: 49%
Rain detected – challenging conditions
Significant waves forecast (1.0 m)
High water temperature (29.6 °C)

12.06.2026 (Friday)

Low fish activity: 31%
Rain detected – challenging conditions
High water temperature (29.7 °C)

13.06.2026 (Saturday)

Low fish activity: 54%
High water temperature (29.7 °C)

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Current Conditions in Tamuning

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Tamuning, Hourly Forecast

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	Air temperature,°C

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Tumon Bay, Guam Tamuning 10-day weather forecast

Closest meteostation (2.21km):

Tumon Bay, Guam Tamuning Wind forecast

Wind direction is East, wind speed varies between 8.9 and 11.2 mph with gusts up to 13.4 mph. The sky is clear with a chance of rain 0%.
Wind and wave weather forecast for Tumon Bay, Guam , United States contains detailed information about local wind speed, direction, and gusts. Wave forecast includes wave height and period.
These forecasts for Tumon Bay, Guam are based on the GFS model and were created for windsurfing, kitesurfing, sailing and other extreme sports activities. All data updates 4 times a day. Predictions are available in steps from 1 to 3 hours for up to 10 days.
Use professional weather parameters: wind barbs, weather fronts, isobars, and others. Study weather history for the past 14 years (2012-2026). Create sailing, hiking and biking routes with weather in each point.
Download Windy.app in the App Store and Google Play Store.

Tumon Bay, Guam, weather report: temperature, and more

The temperature low is +27°C and the high is +29°C. The sky is clear with a chance of rain 0%. 10 day weather forecast for Tumon Bay, Guam, on this page also contains accurate information about cloud coverage, moon phases, and other basic and advanced weather elements.

Tumon Bay, Guam, current weather temperature for today and the mid-range forecast are based on the major global GFS weather model with 27 km (16.7 mi) spatial resolution provided by the United States National Weather Service (NWS) of the National Oceanic and Atmospheric Administration (NOAA). All data updates 4 times a day with a forecast step of 3 hours.

If you need a 30 day temperature forecast for Tumon Bay, Guam, or a long-range temperature forecast, check the Weather History (Statistics) section of the main spot page you can find in the search or on the weather map.

It contains the day and night temperature history in Tumon Bay, Guam, for the past 10 years (2021–2021) and the average values for the decade. These statictics are a reanalysis of the weather forecasts from the ECMWF (European Centre for Medium-Range Weather Forecasts), the second major global weather model. The data is updated every year.

You can use this weather forecast and history by the Windy.app especially for all major sports and outdoor activities such as surfing, sailing, diving, fishing, paragliding, cycling, hiking, and others, as well as a general forecast for any situation.

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