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Winter Weather Advisory


URGENT - WINTER WEATHER MESSAGE
National Weather Service Honolulu HI
318 PM HST Tue Nov 18 2025

...WINTER WEATHER ADVISORY FOR THE BIG ISLAND SUMMITS...

.Deep tropical moisture will continue to move over the eastern end
of the state through Wednesday and bring a mix of rain and snow
showers to the Big Island summits.

HIZ028-191500-
/O.EXT.PHFO.WW.Y.0004.000000T0000Z-251120T0400Z/
Big Island Summits-
318 PM HST Tue Nov 18 2025

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 PM HST WEDNESDAY...

* WHAT...Additional snow accumulations around 1 to 2 inches. Snow
  may mix with rain at times.

* WHERE...Big Island Summits above 12,000 feet.

* WHEN...Until 6 PM HST Wednesday.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory means that periods of snow, sleet, or
freezing rain will cause travel difficulties. Be prepared for
slippery roads and limited visibilities and use caution while
driving.

&&

$$

AHUE


Small Craft Advisory


URGENT - MARINE WEATHER MESSAGE
National Weather Service Honolulu HI
320 PM HST Tue Nov 18 2025

PHZ110>118-122-191430-
/O.NEW.PHFO.SC.Y.0048.251119T1600Z-251121T0400Z/
Kauai Northwest Waters-Kauai Windward Waters-Kauai Leeward Waters-
Kauai Channel-Oahu Windward Waters-Oahu Leeward Waters-
Kaiwi Channel-Maui County Windward Waters-
Maui County Leeward Waters-Big Island Windward Waters-
320 PM HST Tue Nov 18 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM WEDNESDAY TO 6 PM HST
THURSDAY...

* WHAT...East winds 15 to 25 kt and seas 8 to 13 feet expected.

* WHERE...Kauai Northwest Waters, Kauai Windward Waters, Kauai
  Leeward Waters, Kauai Channel, Oahu Windward Waters, Oahu
  Leeward Waters, Kaiwi Channel, Maui County Windward Waters,
  Maui County Leeward Waters and Big Island Windward Waters.

* WHEN...From 6 AM Wednesday to 6 PM HST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in these conditions.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Honolulu HI
320 PM HST Tue Nov 18 2025

PHZ119>121-123-124-191430-
/O.NEW.PHFO.SC.Y.0048.251119T0400Z-251121T0400Z/
Maalaea Bay-Pailolo Channel-Alenuihaha Channel-
Big Island Leeward Waters-Big Island Southeast Waters-
320 PM HST Tue Nov 18 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM HST THURSDAY...

* WHAT...East winds 15 to 30 kt and seas 7 to 10 feet expected.

* WHERE...Maalaea Bay, Pailolo Channel, Alenuihaha Channel, Big
  Island Leeward Waters and Big Island Southeast Waters.

* WHEN...Until 6 PM HST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in these conditions.

&&

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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