Alert archive / Florida / Small Craft Advisories in 2021

Small Craft Advisory 43, NWS Key West, FL

November 20, 2021

NWS Key West, FL issued this small craft advisory at Nov 20, 2021, 11:23 PM EST. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Nov 20, 2021, 11:23 PM EST (04:23 UTC)
Expired
Nov 21, 2021, 10:10 AM EST
In force
11 hr
Issued by
NWS Key West, FL

The text

As transmitted.

385 
WHUS72 KKEY 210423
MWWKEY

URGENT - MARINE WEATHER MESSAGE
National Weather Service Key West FL
1123 PM EST Sat Nov 20 2021

GMZ033-034-211000-
/O.NEW.KKEY.SC.Y.0043.211121T0423Z-211121T1000Z/
Gulf waters from East Cape Sable to Chokoloskee 20 to 60 NM out
and beyond 5 fathoms-
Gulf of Mexico including Dry Tortugas and Rebecca Shoal Channel-
1123 PM EST Sat Nov 20 2021

...SMALL CRAFT ADVISORY IN EFFECT...

* WHAT...Northeast winds around 20 kt with gusts up to 25 kt.

* WHERE...Gulf waters beyond 5 fathoms including the Dry 
  Tortugas.

* WHEN...In Effect.

* IMPACTS...A Small Craft Advisory means that wind speeds of 20 to
  33 knots, or seas of 7 feet or greater, are expected to produce
  hazardous conditions for small craft. These hazardous conditions
  may result in poor vessel handling and steering response,
  broaching, overturned dinghies and kayaks, slips and falls on
  slippery decks.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced boaters, especially those with smaller vessels,
should avoid operating in these conditions.

&&

$$
2 follow-up statements
936 
WHUS72 KKEY 210922
MWWKEY

URGENT - MARINE WEATHER MESSAGE
National Weather Service Key West FL
422 AM EST Sun Nov 21 2021

GMZ033-034-211600-
/O.EXT.KKEY.SC.Y.0043.000000T0000Z-211121T1600Z/
Gulf waters from East Cape Sable to Chokoloskee 20 to 60 NM out
and beyond 5 fathoms-
Gulf of Mexico including Dry Tortugas and Rebecca Shoal Channel-
422 AM EST Sun Nov 21 2021

...SMALL CRAFT ADVISORY IN EFFECT...

* WHAT...Northeast to east winds near 20 kt.

* WHERE...Gulf waters beyond 5 fathoms including the Dry 
  Tortugas.

* WHEN...In Effect.

* IMPACTS...A Small Craft Advisory means that wind speeds of 20 
  to 33 knots, or seas of 7 feet or greater, are expected to 
  produce hazardous conditions for small craft. These hazardous 
  conditions may result in poor vessel handling and steering 
  response, broaching, overturned dinghies and kayaks, slips and 
  falls on slippery decks, rub damage along docks and seawalls, 
  swamped bows at reef tract mooring balls, and dragging anchors.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced boaters, especially those with smaller vessels,
should avoid operating in these conditions.

&&

$$
843 
WHUS72 KKEY 211510
MWWKEY

URGENT - MARINE WEATHER MESSAGE
National Weather Service Key West FL
1010 AM EST Sun Nov 21 2021

GMZ033-034-211615-
/O.CAN.KKEY.SC.Y.0043.000000T0000Z-211121T1600Z/
Gulf waters from East Cape Sable to Chokoloskee 20 to 60 NM out
and beyond 5 fathoms-
Gulf of Mexico including Dry Tortugas and Rebecca Shoal Channel-
1010 AM EST Sun Nov 21 2021

...SMALL CRAFT ADVISORY IS CANCELLED...

Winds have decreased below 20 knots; however, Small Craft Should
Exercise Caution for northeast to east winds 15 to 20 knots until
they decrease later this afternoon.

$$

The office that day

Everything else NWS Key West, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 21, 4:17 AM ESTCoastal Flood StatementKEYMonroe18 hr

Nearby

Small Craft Advisories in Florida, 2021Every 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.