National Weather Service United States Department of Commerce

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
04/02/2020 02:44 PM2.7High
04/02/2020 09:08 PM0Low
04/03/2020 03:14 AM2.4High
04/03/2020 09:17 AM0.1Low
04/03/2020 03:37 PM2.9High
04/03/2020 09:58 PM-0.2Low
04/04/2020 04:06 AM2.7High
04/04/2020 10:11 AM-0.1Low
Tides for Tau
04/02/2020 02:19 PM3.8High
04/02/2020 08:44 PM0Low
04/03/2020 02:49 AM3.5High
04/03/2020 08:53 AM0.1Low
04/03/2020 03:12 PM4.1High
04/03/2020 09:34 PM-0.2Low
04/04/2020 03:41 AM3.9High
04/04/2020 09:47 AM-0.1Low
04/04/2020 04:04 PM4.4High