National Weather Service United States Department of Commerce

The tropical systems depicted on this map west of 180 (dateline) are based on bulletins issued by the Joint Typhoon Warning Center (JTWC), based in Honolulu, HI. The Regional Specialized Meteorological Center (RSMC) for this area is the Japan Meteorological Agency (JMA).

Please provide feedback on these experimental products. Surveys will be open through May 31, 2023:
Track/Error Cone Notification(survey link)
Wind Speed Probabilities Notification (survey link)
Time of Arrival Notification (survey link)

To learn more the new probabilistic tropical cyclone graphics, read our introduction here: Introducing New Probabilistic TC Graphics PDF

Disclaimer: The downloadable zipped shapefiles for Advisory Forecast Track & Cone of Uncertainty and Advisory Wind Field and Forecast Wind Radii are unavailable. They are expected to be available starting January 2023. We apologize for any inconvenience. The individual kmz files will continue to update with each advisory package on the experimental page.


The cone graphics for the West Pacific are based on the following:


Forecast Period (hours) 2/3 Probability Circle, West Pacific Basin (nautical miles)
12 35
24 50
36 65
48 80
72 120
96 165
120 225