National Weather Service United States Department of Commerce

Severe Thunderstorms, Heavy Rainfall, And Flooding Possible Over The Plains; Typhoon Bualoi Approaches The CNMI

A storm system will bring the potential for severe thunderstorms capable of damaging winds, large hail, and isolated tornadoes over the south central U.S. into Monday. Heavy rainfall may also lead to flash flooding. The system will shift toward the eastern U.S. on Tuesday. Over the western Pacific, Typhoon Bualoi will intensify and impact the northern Marianna Islands over the next couple of days. Read More >

Forecast Information

The Coastal Waters Forecast is issued by WSO American Samoa. The High Seas Forecast for the South Pacific, which includes the waters around American Samoa is issued by WFO Honolulu.

Coastal Waters Forecast for American Samoa

High Seas Forecast 

Buoy Information 

The Aunu'u buoy is owned and maintained by Pacific Islands Ocean Observing System (PacIOOS). The data is available on their website, as well as on the National Data Buoy Center website. 

Aunu'u, American Samoa Buoy Information from PacIOOS

Aunu'u, American Samoa Buoy Information from National Data Buoy Center

Pacific Analyses/Forecasts
Chart Name Chart Times
Pacific Surface Forecast
12Z Charts: 24 hr 48 hr 72 hr
00Z Charts: 24 hr 48 hr 72 hr
Pacific Streamline Analysis

00Z 06Z 12Z 18Z Loop

Pacific Wind Wave
Analysis and Forecasts

00Z Charts: Analysis 24 hr 48 hr 72 hr
12Z Charts: Analysis 24 hr 48 hr 72 hr

Tidal Information

Tides for Pago Pago, American Samoa

Tides for Tau, Manua Islands, American Samoa

Interactive Map for Tidal Information

Data from
Tides for Pago Pago
10/21/2019 07:20 AM0.1Low
10/21/2019 01:29 PM2.3High
10/21/2019 07:31 PM0.2Low
10/22/2019 01:53 AM2.7High
10/22/2019 08:18 AM-0Low
10/22/2019 02:27 PM2.5High
10/22/2019 08:31 PM0.1Low
10/23/2019 02:50 AM2.9High
Tides for Tau
10/21/2019 06:56 AM0.1Low
10/21/2019 01:04 PM3.3High
10/21/2019 07:07 PM0.2Low
10/22/2019 01:28 AM3.9High
10/22/2019 07:54 AM-0Low
10/22/2019 02:02 PM3.6High
10/22/2019 08:07 PM0.1Low
10/23/2019 02:25 AM4.2High