This is a non-operational test website that will no longer be updated. For official OPC information and forecasts, please refer to the operational OPC website: https://ocean.weather.gov.

About 48 Hr 500 mb Forecast

Computer generated chart that is produced twice a day from the NCEP globel model run. This product portrays the synoptic scale flow with long waves and short waves troughs analyzed that are associated with surface lows. The contour interval is for intervals of 60 meters. Wind barbs depict wind direction and wind speed in knots.