Weather Forecast for Honolulu

* WHAT...South winds 20 to 30 mph with gusts up to 60 mph possible. * WHERE...Central Oahu, Koolau Leeward, Koolau Windward, Oahu North Shore, Olomana, and Waianae Mountains. * WHEN...Until 6 AM HST Friday. * IMPACTS...Damaging winds may blow down trees and power lines and damage roofs. Power outages are possible. Travel will be difficult, especially for high profile vehicles.

Strong winds may lead to property damage. Hazardous driving conditions due to powerful cross winds will pose a serious risk for drivers, especially for light weight and high profile vehicles. Loose outdoor items should be brought inside or secured properly.

* WHAT...South winds 20 to 30 mph with gusts up to 60 mph possible. * WHERE...Central Oahu, Koolau Leeward, Koolau Windward, Oahu North Shore, Olomana, and Waianae Mountains. * WHEN...Until 6 AM HST Friday. * IMPACTS...Damaging winds may blow down trees and power lines and damage roofs. Power outages are possible. Travel will be difficult, especially for high profile vehicles.

Strong winds may lead to property damage. Hazardous driving conditions due to powerful cross winds will pose a serious risk for drivers, especially for light weight and high profile vehicles. Loose outdoor items should be brought inside or secured properly.

...HIGH SURF ADVISORY REMAINS IN EFFECT FOR SOUTH FACING SHORES OF NIIHAU KAUAI AND OAHU... .Surf along south facing shores is expected to reach advisory thresholds tonight. * WHAT...Large disorganized surf quickly rising tonight with wave heights peaking at up to 8 to 12 feet. * WHERE...South facing shores of Niihau, Kauai, and Oahu. * WHEN...Until 6 AM HST Friday. * IMPACTS...Moderate. Strong breaking waves and strong currents will make swimming dangerous.

Heed all advice from ocean safety officials. When in doubt, don't go out.

...FLOOD WATCH REMAINS IN EFFECT FOR ALL HAWAIIAN ISLANDS... * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...all Hawaiian Islands. * WHEN...Through Friday afternoon. * IMPACTS...Significant flooding may occur due to the overflow of streams and drainages. Roads in several areas may be closed, along with property damage in urban or low lying spots due to runoff. Landslides may also occur in areas with steep terrain. * ADDITIONAL DETAILS... - Low pressure northwest of the islands will draw deep tropical moisture northward across the state, bringing the potential for heavy rain and thunderstorms capable of producing flash flooding.

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

...FLOOD WATCH REMAINS IN EFFECT FOR ALL HAWAIIAN ISLANDS... * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...The island of Kauai in Kauai County, The island of Niihau in Kauai County, Oahu, Maui, Molokai, Lanai, Kahoolawe, and the Big Island. * WHEN...Through this afternoon. * IMPACTS...Significant flooding may occur due to excessive rainfall and overflow of streams and drainages. Roads in several areas may be closed, along with property damage in urban or low lying spots due to runoff. Landslides may also occur in areas with steep terrain. * ADDITIONAL DETAILS... - Low pressure northwest of the islands will draw deep tropical moisture northward across the state, bringing the potential for heavy rain and thunderstorms capable of producing flash flooding.

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.