Alert archive / Hawaii / Gale Warnings in 2021

Gale Warning 8, NWS Honolulu, HI

July 31, 2021

NWS Honolulu, HI issued this gale warning at Jul 31, 2021, 8:30 PM HST. It took effect at Aug 1, 2021, 3:29 AM HST. It was in force for 14 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 31, 2021, 8:30 PM HST (06:30 UTC)
In effect from
Aug 1, 2021, 3:29 AM HST
Expired
Aug 1, 2021, 5:20 PM HST
In force
14 hr
Issued by
NWS Honolulu, HI

The text

As transmitted.

358 
WHHW70 PHFO 010630
MWWHFO

URGENT - MARINE WEATHER MESSAGE
National Weather Service Honolulu HI
830 PM HST Sat Jul 31 2021

PHZ119>121-123-124-011930-
/O.CON.PHFO.SC.Y.0032.000000T0000Z-210801T1600Z/
/O.UPG.PHFO.GL.A.0007.210801T1600Z-210802T0400Z/
/O.NEW.PHFO.GL.W.0008.210801T1600Z-210802T0400Z/
Maalaea Bay-Pailolo Channel-Alenuihaha Channel-
Big Island Leeward Waters-Big Island Southeast Waters-
830 PM HST Sat Jul 31 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST SUNDAY...
...GALE WARNING IN EFFECT FROM 6 AM TO 6 PM HST SUNDAY...

* WHAT...For the Gale Warning, east to northeast winds 25 to 35
  knots, and seas up to 12 feet expected. For the Small Craft
  Advisory, east to northeast winds 20 to 30 knots, and seas up 
  to 10 feet.

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

* WHEN...For the Gale Warning, from 6 AM to 6 PM HST Sunday. For 
  the Small Craft Advisory, until 6 AM HST Sunday.

* IMPACTS...Strong winds will cause hazardous seas which could
  capsize or damage vessels.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Gale Warning means winds of 34 knots or greater are imminent or
occurring. Operating a vessel in gale conditions requires 
experience and properly equipped vessels. It is highly recommended
that mariners without the proper experience seek safe harbor 
prior to the onset of gale conditions.

&&

$$

PHZ110>118-122-011930-
/O.CON.PHFO.SC.Y.0032.000000T0000Z-210802T0400Z/
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-
830 PM HST Sat Jul 31 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST SUNDAY...

* WHAT...East winds 20 to 25 knots.

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

* WHEN...Through Sunday afternoon.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Houston
4 follow-up statements
609 
WHHW70 PHFO 011329
MWWHFO

URGENT - MARINE WEATHER MESSAGE
National Weather Service Honolulu HI
329 AM HST Sun Aug 1 2021

PHZ119>121-123-124-020230-
/O.CAN.PHFO.SC.Y.0032.000000T0000Z-210801T1600Z/
/O.EXT.PHFO.GL.W.0008.210801T1329Z-210802T0400Z/
Maalaea Bay-Pailolo Channel-Alenuihaha Channel-
Big Island Leeward Waters-Big Island Southeast Waters-
329 AM HST Sun Aug 1 2021

...GALE WARNING NOW IN EFFECT UNTIL 6 PM HST THIS EVENING...
...SMALL CRAFT ADVISORY IS CANCELLED...

* WHAT...East to northeast winds 25 to 35 knots, and seas up to 
  12 feet.

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

* WHEN...Through this afternoon. 

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Gale Warning means winds of 34 knots or greater are imminent or
occurring. Operating a vessel in gale conditions requires 
experience and properly equipped vessels. It is highly 
recommended that mariners without the proper experience seek safe 
harbor prior to the onset of gale conditions.

&&

$$

PHZ110>118-122-020230-
/O.CON.PHFO.SC.Y.0032.000000T0000Z-210802T0400Z/
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-
329 AM HST Sun Aug 1 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST THIS
EVENING...

* WHAT...East winds 20 to 25 knots.

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

* WHEN...Through this afternoon

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Houston
645 
WHHW70 PHFO 011912
MWWHFO

URGENT - MARINE WEATHER MESSAGE
National Weather Service Honolulu HI
912 AM HST Sun Aug 1 2021

PHZ119>121-123-124-020815-
/O.CON.PHFO.GL.W.0008.000000T0000Z-210802T0400Z/
/O.EXB.PHFO.SC.Y.0032.210802T0400Z-210803T1600Z/
Maalaea Bay-Pailolo Channel-Alenuihaha Channel-
Big Island Leeward Waters-Big Island Southeast Waters-
912 AM HST Sun Aug 1 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 6 PM HST THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 AM
HST TUESDAY...

* WHAT...For the Gale Warning today, east winds 25 to 35 kt with
  higher gusts, and seas 7 to 12 feet. For the Small Craft
  Advisory beginning tonight, east winds 20 to 30 kt with higher
  gusts, and seas 6 to 9 feet expected.

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

* WHEN...For the Gale Warning, until 6 PM HST this evening. For 
  the Small Craft Advisory, from 6 PM this evening to 6 AM HST 
  Tuesday.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should pay close attention to the marine forecast and
consider wind and sea conditions in planning.

&&

$$

PHZ116>118-122-020815-
/O.EXT.PHFO.SC.Y.0032.000000T0000Z-210803T1600Z/
Kaiwi Channel-Maui County Windward Waters-
Maui County Leeward Waters-Big Island Windward Waters-
912 AM HST Sun Aug 1 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 AM HST TUESDAY...

* WHAT...East winds 15 to 25 kt with highers gusts, and seas 5 to
  8 feet.

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

* WHEN...Until 6 AM HST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PHZ110>115-020815-
/O.EXT.PHFO.SC.Y.0032.000000T0000Z-210802T1600Z/
Kauai Northwest Waters-Kauai Windward Waters-Kauai Leeward Waters-
Kauai Channel-Oahu Windward Waters-Oahu Leeward Waters-
912 AM HST Sun Aug 1 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 AM HST MONDAY...

* WHAT...East winds 15 to 25 kt with higher gusts, and seas 6 to 
  9 feet.

* WHERE...Kauai Leeward Waters, Kauai Channel, Kauai Northwest 
  Waters, Kauai Windward Waters, Oahu Windward Waters and Oahu 
  Leeward Waters.

* WHEN...Until 6 AM HST Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
955 
WHHW70 PHFO 020131
MWWHFO

URGENT - MARINE WEATHER MESSAGE
National Weather Service Honolulu HI
331 PM HST Sun Aug 1 2021

PHZ119>121-123-124-021445-
/O.CON.PHFO.GL.W.0008.000000T0000Z-210802T0400Z/
/O.CON.PHFO.SC.Y.0032.210802T0400Z-210803T1600Z/
Maalaea Bay-Pailolo Channel-Alenuihaha Channel-
Big Island Leeward Waters-Big Island Southeast Waters-
331 PM HST Sun Aug 1 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 6 PM HST THIS EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST
TUESDAY...

* WHAT...For the Gale Warning, east winds 20 to 35 kt with higher
  gusts, and seas 7 to 12 feet. For the Small Craft Advisory, east
  winds 20 to 30 kt with higher gusts, and seas 6 to 9 feet 
  expected.

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

* WHEN...For the Gale Warning, until 6 PM HST this evening. For 
  the Small Craft Advisory, until 6 AM HST Tuesday.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should pay close attention to the marine forecast and
consider wind and sea conditions in planning.

&&

$$

PHZ116>118-122-021445-
/O.CON.PHFO.SC.Y.0032.000000T0000Z-210803T1600Z/
Kaiwi Channel-Maui County Windward Waters-
Maui County Leeward Waters-Big Island Windward Waters-
331 PM HST Sun Aug 1 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST
TUESDAY...

* WHAT...East winds 10 to 20 kt with higher gusts, and seas 5 to 
  8 feet.

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

* WHEN...Until 6 AM HST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PHZ110>115-021445-
/O.CON.PHFO.SC.Y.0032.000000T0000Z-210802T1600Z/
Kauai Northwest Waters-Kauai Windward Waters-Kauai Leeward Waters-
Kauai Channel-Oahu Windward Waters-Oahu Leeward Waters-
331 PM HST Sun Aug 1 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST MONDAY...

* WHAT...East winds 15 to 25 kt with higher gusts, and seas 6 to 
  9 feet.

* WHERE...Kauai Leeward Waters, Kauai Channel, Kauai Northwest 
  Waters, Kauai Windward Waters, Oahu Windward Waters and Oahu 
  Leeward Waters.

* WHEN...Until 6 AM HST Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
006 
WHHW70 PHFO 020320
MWWHFO

URGENT - MARINE WEATHER MESSAGE
National Weather Service Honolulu HI
520 PM HST Sun Aug 1 2021

PHZ119>121-123-124-021630-
/O.CAN.PHFO.GL.W.0008.000000T0000Z-210802T0400Z/
/O.EXT.PHFO.SC.Y.0032.210802T0320Z-210803T1600Z/
Maalaea Bay-Pailolo Channel-Alenuihaha Channel-
Big Island Leeward Waters-Big Island Southeast Waters-
520 PM HST Sun Aug 1 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 AM HST TUESDAY...
...GALE WARNING IS CANCELLED...

* WHAT...East winds 20 to 30 kt with higher gusts, and seas 6 to 
  11 feet.

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

* WHEN...Until 6 AM HST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PHZ116>118-122-021630-
/O.CON.PHFO.SC.Y.0032.000000T0000Z-210803T1600Z/
Kaiwi Channel-Maui County Windward Waters-
Maui County Leeward Waters-Big Island Windward Waters-
520 PM HST Sun Aug 1 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST
TUESDAY...

* WHAT...East winds 10 to 20 kt with higher gusts, and seas 5 to 
  8 feet.

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

* WHEN...Until 6 AM HST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PHZ110>115-021600-
/O.CON.PHFO.SC.Y.0032.000000T0000Z-210802T1600Z/
Kauai Northwest Waters-Kauai Windward Waters-Kauai Leeward Waters-
Kauai Channel-Oahu Windward Waters-Oahu Leeward Waters-
520 PM HST Sun Aug 1 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST MONDAY...

* WHAT...East winds 15 to 25 kt with higher gusts, and seas 6 to 
  9 feet.

* WHERE...Kauai Leeward Waters, Kauai Channel, Kauai Northwest 
  Waters, Kauai Windward Waters, Oahu Windward Waters and Oahu 
  Leeward Waters.

* WHEN...Until 6 AM HST Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

The office that day

Everything else NWS Honolulu, HI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 31, 8:30 PM HSTWind AdvisoryHFOHawaii, Kalawao21 hr

Nearby

Gale Warnings in Hawaii, 2021Every gale warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.