Hawaii Extended Forecast Discussion NWS Weather Prediction Center College Park MD 358 AM EDT Thu May 30 2024 Valid 00Z Fri May 31 2024 - 00Z Fri Jun 07 2024 A weakness in the subtropical high will fill back in by Friday, bringing more breezy trade winds into the weekend as the pressure gradient becomes more zonal across the region. Gusts may trend upwards of 25-35 mph at times locally. This pattern is expected to persist through the middle of next week before another surface trough develops and the subtropical high weakens. An upper-level trough over the islands will keep some shower chances in the forecast, particularly in the Saturday to Tuesday timeframe. These chances look to come down by the middle of next week as well as the trough weakens. Putnam