Apra harbor
NOAA CO-OPS station 1630000
Observed , 15 minutes ago
Challenging
Rest of tonight
Light ENE winds at 4 kn gusting to 6 kn. Water 86°F, air 81°F. Rest of Tonight: East wind 15 kt.
It tells you it is rough now. The app tells you before it gets rough, with alerts at the wind and wave limits you set.
Get Buoycast for iPhoneWind
Speed
4.1kn
Gust
6kn
Direction
72° ENE
Trend
Steady
Last 12 hours1.2 to 11 kn
Water Level
-0.4ft
Datum
MLLW
Last 12 hours-0.6 to 2 ft
Air temp
81°F
80 to 87°F today
Water temp
86°F
86 to 86°F today
Pressure
1013mbar
Tendency
Easing
3 hour change
-1.4 mbar
Last 12 hours1011 to 1015 mbar
Zone forecast
Rest of Tonight
East wind 15 kt. Seas 5 to 6 ft. Wave detail: northeast 5 ft at 8 seconds, east 3 ft at 5 seconds and north 2 ft at 10 seconds. Scattered showers. Isolated thunderstorms for tinian and saipan.
Monday
East wind 15 kt. Seas 5 to 6 ft. Wave detail: northeast 5 ft at 8 seconds, east 3 ft at 5 seconds and north 2 ft at 10 seconds.
Monday Night
East wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: northeast 6 ft at 8 seconds, east 3 ft at 5 seconds and northwest 2 ft at 11 seconds.
NWS zone Guam Coastal Waters
Last 24 hours
Every 3 hours, over the last 12 hours. Air 80 to 87°F, water 86 to 86°F, pressure 1,011 to 1,015 mbar over the same window.
1 station within 30 NM
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Get Buoycast for iPhoneCommon questions
Can I be notified when conditions change at station 1630000?
Buoycast Pro lets you set your own limits on wind, waves or pressure and sends a threshold notification when this station crosses them.
Does this page show NOAA warnings for this area?
Watches, warnings, and advisories for Guam Coastal Waters appear alongside the conditions, here and in the app. Pro also pushes NOAA watches, warnings, and advisories when they are issued.
Can I see the forecast against what station 1630000 measured?
This page shows measurements only. Buoycast Pro charts the NOAA forecast against them so you can see where the two diverge.
Can I keep station 1630000 for next time?
Save it as a favorite and Buoycast opens on the stations you run.
Station 1630000
13°26'35" N 144°39'22" E
Measured by 400+ NOAA CO-OPS stations. Observations from the Center for Operational Oceanographic Products and Services, forecasts and advisories from the National Weather Service. Not for navigation.