Hawaii Extended Forecast Discussion NWS Weather Prediction Center College Park MD 304 AM EDT Fri Oct 22 2021 Valid 00Z Sat Oct 23 2021 - 00Z Sat Oct 30 2021 Trade winds should gradually strengthen through this weekend and drier air re-establishing across much of the state into early next week in a more stable upper pattern with a limited windward terrain shower focus as high pressure builds and bridges to the north of the islands. There is a better than average guidance signal into longer time frames that suggests that upstream upper ridge amplification over the west-central Pacific may allow a rounding upper trough to dig southeastward towards Hawaii. This would bring a cold front towards the islands later next week increasing moisture chances and disrupting trades. Santorelli