Guam Government House Water Temperature

(Today) 2025

28.9°C / 84.1°F

The water will feel hot. Water temperature similar to a heated indoor swimming pool.

*Live data from Apra Harbor, Guam: 29.4°C / 84.9°F

Current weather

27°C / 81°F
(few clouds)
Partly cloudy
Wind
8 mph
Humidity
85%

The measurements for the water temperature in Guam Government House, Hagåtña Municipality are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.

*Live data may vary from satellite readings for a number of reasons. These include local factors, depth of smapling and time of day.

Water temp by month

Monthly average max / min water temperatures

The graph below shows the range of monthly Guam Government House water temperature derived from many years of historical sea surface temperature data.

Guam Government House average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Guam Government House
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 26.8 26.8 27.3 27.3 28.1 28.7 28.9 28.9 28.7 28.8 28 27.4
Max °C 29.4 28.9 28.5 29.4 29.7 30 30.1 30.3 30.1 30.1 30.2 29.5
Min °F 81.3 81 81.6 81.9 83.2 84.1 84.5 84.6 84.2 84.3 83.3 82.1
Max °F 83.9 83.1 82.8 84 84.8 85.4 85.7 86 85.6 85.6 85.5 84.2

The warmest water temperature is in August with an average around 85.3°F / 29.6°C. The coldest month is February with an average water temperature of 82°F / 27.8°C.

7 day tide forecast for Guam Government House

WedThuFriSatSunMonTue
  • High 4:33am
    (0.51m)
  • Low 10:31am
    (0.1m)
  • High 4:11pm
    (0.4m)
  • Low 9:59pm
    (0.07m)
  • High 4:59am
    (0.52m)
  • Low 11:13am
    (0.08m)
  • High 5:24pm
    (0.42m)
  • Low 10:50pm
    (0.09m)
  • High 5:22am
    (0.52m)
  • Low 11:48am
    (0.05m)
  • High 6:22pm
    (0.45m)
  • Low 11:36pm
    (0.11m)
  • High 5:44am
    (0.52m)
  • Low 12:20pm
    (0.02m)
  • High 7:12pm
    (0.48m)
  • Low 12:20am
    (0.12m)
  • High 6:07am
    (0.52m)
  • Low 12:50pm
    (0m)
  • High 7:57pm
    (0.5m)
  • Low 1:02am
    (0.13m)
  • High 6:31am
    (0.52m)
  • Low 1:21pm
    (-0.02m)
  • High 8:39pm
    (0.51m)
  • Low 1:43am
    (0.14m)
  • High 6:57am
    (0.51m)
  • Low 1:52pm
    (-0.03m)
  • High 9:20pm
    (0.52m)
7 day tide times for Guam Government House

*These tide times are estimates based on the nearest accurate location (Guam) and may differ by up to half an hour depending on distance. Please note, the tide times given are not suitable for navigational purposes.