Alert archive / Hawaii / Small Craft Advisories in 2021

Small Craft Advisory 2, NWS Honolulu, HI

January 5, 2021

NWS Honolulu, HI issued this small craft advisory at Jan 5, 2021, 9:47 AM HST. It took effect at Jan 5, 2021, 8:10 PM HST. It was in force for 62 hr.

The area

The counties it named.

The facts

Issued: Jan 5, 2021, 9:47 AM HST (19:47 UTC)
In effect from: Jan 5, 2021, 8:10 PM HST
Expired: Jan 8, 2021, 9:58 AM HST
In force: 62 hr
Issued by: NWS Honolulu, HI

The text

As transmitted.

094 
WHHW70 PHFO 051947
MWWHFO

URGENT - MARINE WEATHER MESSAGE
National Weather Service Honolulu HI
947 AM HST Tue Jan 5 2021

PHZ110>114-116-117-121-122-060900-
/O.CAN.PHFO.SC.Y.0001.000000T0000Z-210107T0400Z/
/O.NEW.PHFO.SC.Y.0002.210106T1600Z-210107T0400Z/
Kauai Northwest Waters-Kauai Windward Waters-Kauai Leeward Waters-
Kauai Channel-Oahu Windward Waters-Kaiwi Channel-
Maui County Windward Waters-Alenuihaha Channel-
Big Island Windward Waters-
947 AM HST Tue Jan 5 2021

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

* WHAT...Seas 8 to 12 feet and east winds 15 to 25 knots.

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

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

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

8 follow-up statements

203 
WHHW70 PHFO 060135
MWWHFO

URGENT - MARINE WEATHER MESSAGE
National Weather Service Honolulu HI
335 PM HST Tue Jan 5 2021

PHZ119-120-123-124-061445-
/O.EXB.PHFO.SC.Y.0002.210106T1600Z-210108T0400Z/
Maalaea Bay-Pailolo Channel-Big Island Leeward Waters-
Big Island Southeast Waters-
335 PM HST Tue Jan 5 2021

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

* WHAT...East winds increasing to 15 to 25 knots on Wednesday and
  continuing into Thursday.

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

&&

$$

PHZ110>114-116-117-121-122-061445-
/O.EXT.PHFO.SC.Y.0002.210106T1600Z-210108T0400Z/
Kauai Northwest Waters-Kauai Windward Waters-Kauai Leeward Waters-
Kauai Channel-Oahu Windward Waters-Kaiwi Channel-
Maui County Windward Waters-Alenuihaha Channel-
Big Island Windward Waters-
335 PM HST Tue Jan 5 2021

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

* WHAT...On Wednesday, seas building to 8 to 12 feet over waters
  exposed to northwest swell and winds increasing to 15 to 25
  knots around the Big Island.

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

* WHEN...From 6 AM Wednesday to 6 PM HST Thursday. High seas may
  persist into Thursday night.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
Wroe

901 
WHHW70 PHFO 060610
MWWHFO

URGENT - MARINE WEATHER MESSAGE
National Weather Service Honolulu HI
810 PM HST Tue Jan 5 2021

PHZ119>121-123-124-061915-
/O.EXT.PHFO.SC.Y.0002.210106T0610Z-210108T0400Z/
Maalaea Bay-Pailolo Channel-Alenuihaha Channel-
Big Island Leeward Waters-Big Island Southeast Waters-
810 PM HST Tue Jan 5 2021

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

* WHAT...East winds to 25 kt, except north winds to 25 kt in Maalaea
  Bay.

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

* 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.

&&

$$

PHZ110>114-116-117-122-061915-
/O.CON.PHFO.SC.Y.0002.210106T1600Z-210108T0400Z/
Kauai Northwest Waters-Kauai Windward Waters-Kauai Leeward Waters-
Kauai Channel-Oahu Windward Waters-Kaiwi Channel-
Maui County Windward Waters-Big Island Windward Waters-
810 PM HST Tue Jan 5 2021

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

* WHAT...Seas 10 to 13 feet expected.

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

&&

$$

22

338 
WHHW70 PHFO 061315
MWWHFO

URGENT - MARINE WEATHER MESSAGE
National Weather Service Honolulu HI
315 AM HST Wed Jan 6 2021

PHZ110>114-116-117-122-070215-
/O.EXT.PHFO.SC.Y.0002.210107T0400Z-210108T0400Z/
Kauai Northwest Waters-Kauai Windward Waters-Kauai Leeward Waters-
Kauai Channel-Oahu Windward Waters-Kaiwi Channel-
Maui County Windward Waters-Big Island Windward Waters-
315 AM HST Wed Jan 6 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 6 PM THIS EVENING TO
6 PM HST THURSDAY...

* WHAT...Seas 10 to 13 feet expected.

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

* WHEN...From 6 PM this evening 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.

&&

$$

PHZ119>121-123-124-070215-
/O.CON.PHFO.SC.Y.0002.000000T0000Z-210108T0400Z/
Maalaea Bay-Pailolo Channel-Alenuihaha Channel-
Big Island Leeward Waters-Big Island Southeast Waters-
315 AM HST Wed Jan 6 2021

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

* WHAT...East winds to 25 kt, except north winds to 25 kt in
  Maalaea Bay.

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

* 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.

&&

$$

Birchard

098 
WHHW70 PHFO 070125
MWWHFO

URGENT - MARINE WEATHER MESSAGE
National Weather Service Honolulu HI
325 PM HST Wed Jan 6 2021

PHZ119>121-123-124-071430-
/O.CON.PHFO.SC.Y.0002.000000T0000Z-210108T0400Z/
Maalaea Bay-Pailolo Channel-Alenuihaha Channel-
Big Island Leeward Waters-Big Island Southeast Waters-
325 PM HST Wed Jan 6 2021

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

* WHAT...East winds 15 to 25 kt.

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

* 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.

&&

$$

PHZ110>114-116-117-122-071430-
/O.CON.PHFO.SC.Y.0002.210107T0400Z-210108T0400Z/
Kauai Northwest Waters-Kauai Windward Waters-Kauai Leeward Waters-
Kauai Channel-Oahu Windward Waters-Kaiwi Channel-
Maui County Windward Waters-Big Island Windward Waters-
325 PM HST Wed Jan 6 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 PM HST THURSDAY...

* WHAT...Seas building to 10 to 13 feet.

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

* WHEN...From 6 PM this evening to 6 PM HST Thursday. High seas
  may persist into Thursday night.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Wroe

861 
WHHW70 PHFO 071408
MWWHFO

URGENT - MARINE WEATHER MESSAGE
National Weather Service Honolulu HI
408 AM HST Thu Jan 7 2021

PHZ110>114-116-117-121-122-080315-
/O.EXT.PHFO.SC.Y.0002.000000T0000Z-210108T1600Z/
Kauai Northwest Waters-Kauai Windward Waters-Kauai Leeward Waters-
Kauai Channel-Oahu Windward Waters-Kaiwi Channel-
Maui County Windward Waters-Alenuihaha Channel-
Big Island Windward Waters-
408 AM HST Thu Jan 7 2021

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

* WHAT...Seas 10 to 13 feet.

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

* WHEN...Until 6 AM HST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PHZ119-120-123-124-080315-
/O.CON.PHFO.SC.Y.0002.000000T0000Z-210108T0400Z/
Maalaea Bay-Pailolo Channel-Big Island Leeward Waters-
Big Island Southeast Waters-
408 AM HST Thu Jan 7 2021

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

* WHAT...East winds to 25 kt, except north winds to 25 kt in 
  Maalaea Bay.

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

* 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.

&&

$$

238 
WHHW70 PHFO 080130
MWWHFO

URGENT - MARINE WEATHER MESSAGE
National Weather Service Honolulu HI
330 PM HST Thu Jan 7 2021

PHZ119-120-123-124-080230-
/O.CAN.PHFO.SC.Y.0002.000000T0000Z-210108T0400Z/
Maalaea Bay-Pailolo Channel-Big Island Leeward Waters-
Big Island Southeast Waters-
330 PM HST Thu Jan 7 2021

...SMALL CRAFT ADVISORY IS CANCELLED...

Trade winds have diminished across the area.

$$

PHZ110>114-116-117-121-122-081430-
/O.EXT.PHFO.SC.Y.0002.000000T0000Z-210109T0400Z/
Kauai Northwest Waters-Kauai Windward Waters-Kauai Leeward Waters-
Kauai Channel-Oahu Windward Waters-Kaiwi Channel-
Maui County Windward Waters-Alenuihaha Channel-
Big Island Windward Waters-
330 PM HST Thu Jan 7 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 PM HST FRIDAY...

* WHAT...Seas 10 to 13 feet.

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

* WHEN...Until 6 PM HST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Burke

022 
WHHW70 PHFO 081333
MWWHFO

URGENT - MARINE WEATHER MESSAGE
National Weather Service Honolulu HI
333 AM HST Fri Jan 8 2021

PHZ110>114-116-117-121-122-090245-
/O.CON.PHFO.SC.Y.0002.000000T0000Z-210109T0400Z/
Kauai Northwest Waters-Kauai Windward Waters-Kauai Leeward Waters-
Kauai Channel-Oahu Windward Waters-Kaiwi Channel-
Maui County Windward Waters-Alenuihaha Channel-
Big Island Windward Waters-
333 AM HST Fri Jan 8 2021

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

* WHAT...Seas 8 to 12 feet.

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

* WHEN...Until 6 PM HST this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

RCB/PB

565 
WHHW70 PHFO 081958
MWWHFO

URGENT - MARINE WEATHER MESSAGE
National Weather Service Honolulu HI
958 AM HST Fri Jan 8 2021

PHZ110>114-116-117-121-122-082100-
/O.CAN.PHFO.SC.Y.0002.000000T0000Z-210109T0400Z/
Kauai Northwest Waters-Kauai Windward Waters-Kauai Leeward Waters-
Kauai Channel-Oahu Windward Waters-Kaiwi Channel-
Maui County Windward Waters-Alenuihaha Channel-
Big Island Windward Waters-
958 AM HST Fri Jan 8 2021

...SMALL CRAFT ADVISORY IS CANCELLED...

The current north-northwest swell continues to decline and seas
have dropped below the advisory threshold.

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 4, 4:01 PM HST	Small Craft Advisory	HFO		18 hr

Nearby

Small Craft Advisories in Hawaii, 2021 Every small craft advisory 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.