... High surf advisory remains in effect until noon HST Thursday...
* surf... along east facing shores... 5 to 8 feet this evening...
increasing to 8 to 12 feet with higher sets tonight... then
declining on Wednesday afternoon.
* Timing... building tonight... peaking early Wednesday... then
declining late Wednesday.
* Impacts... moderate... expect strong breaking waves... shore
break... and strong currents making swimming dangerous.
Precautionary/preparedness actions... heed all advice from ocean
safety officials and exercise caution. Boaters should expect
surfers using Harbor channels to reach surf breaks.
330 PM HST Tue Aug 4 2015
... Flash Flood Watch remains in effect until 6 PM HST Thursday...
The Flash Flood Watch continues for
* Maui and The Big Island.
* Until 600 PM Thursday.
* For abundant moisture from Tropical Storm Guillermo moving
over the area.
* Excessive runoff may produce rock and mudslides in steep
terrain. Fast moving water may create life-threatening
A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is very dangerous. Remember
that it does not have to be raining heavily where you are for
flash flooding to occur.
Monitor the latest forecasts and be prepared to take immediate
action if flash flood warnings are issued.
Severe Weather Get Mobile & Email Alerts
South Big Island Severe Watches & Warnings NOAA Weather Radio
High Surf Advisory, Flash Flood Watch
Statement as of 3:30 PM HST on August 04, 2015
Tropical Storm Watch
Statement as of 12:05 AM HST on August 05, 2015
... Tropical storm watch remains in effect...
... Precautionary/preparedness actions...
Loose objects such as lawn furniture... garbage cans... and other
items should be secured or stored indoors. Have supplies on hand
and be ready for power outages. Evacuate if ordered by local
... Probability of tropical storm/hurricane conditions...
the chance for tropical storm force winds is 6 percent at Hilo
and 12 percent at Kahului which has trended down slightly.
although the latest forecast is for sustained winds to remain
below tropical storm force of 39 mph... 34 knots... only a small
change in the track of Guillermo could result in higher winds.
... Storm surge and storm tide...
large surf will continue to build along east facing shores rest of
tonight through Wednesday.
... Inland flooding...
a Flash Flood Watch is in effect for portions of the area. Refer
to the watch for more details.