Heavy Rains and Catastrophic Flooding Possible in Hawaii
A kona low will continue to bring heavy rain to Hawaii bringing flooding and flash flooding, landslides, road closures, and low visibility with high rainfall rates expected. Lake effect snow is expected downwind from the Great Lakes. Blizzard conditions are expected in the southeast Alaska.
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Hazardous Weather Conditions
Last Update: 330 AM HST Tue Dec 7 2021
For More Weather Information:
13NM ESE Waimanalo Beach HI
Marine Zone Forecast
...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY WEDNESDAY
Synopsis: PHZ100-080230-
330 AM HST Tue Dec 7 2021
.Synopsis for Hawaiian coastal waters...
A near stationary kona low located far northwest of Kauai is
producing convergence bands of heavy showers, along with isolated
thunderstorms, and strong gusty winds over the majority of the
central local Hawaiian waters. These bands will gradually move
into the west waters today and Wednesday. High pressure building
northeast of the area will reinstate moderate to fresh trade winds
from Wednesday through the rest of the week.
$$
Today
North winds 20 to 25 knots backing west in the afternoon. Wind waves 9 feet. Mixed swell north 5 feet and south 3 to 4 feet. Heavy showers likely and isolated thunderstorms. Some thunderstorms may produce gusty winds.
Tonight
East winds 20 knots. Wind waves 10 feet. Mixed swell north 4 feet and south 3 feet. Scattered showers.
Wednesday
East winds to 25 knots. Wind waves 8 feet. North swell 3 feet. Scattered showers in the morning, then isolated showers in the afternoon.
Wednesday Night
East winds to 25 knots. Wind waves 9 feet. Scattered showers in the evening, then isolated showers after midnight.
Thursday
East winds to 25 knots. Wind waves 9 feet. Isolated showers in the morning.
Thursday Night
East winds 20 knots. Wind waves 8 feet. North swell 3 feet after midnight. Isolated showers.
Friday
East winds 20 knots. Wind waves 7 feet. North swell 3 feet. Isolated showers.
Saturday
East winds 20 knots. Wind waves 7 to 8 feet. North swell 3 feet. Isolated showers.
Additional Forecasts and Information
ABOUT THIS FORECAST
| Last Update: | 330 AM HST Tue Dec 7 2021 |
| Forecast Discussion | |
RADAR & SATELLITE IMAGES
