weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Small Craft Advisory


URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NEW ORLEANS LA
348 PM CDT SAT OCT 21 2017

...SMALL CRAFT ADVISORY IN EFFECT FOR COASTAL WATERS EAST OF THE
MISSISSIPPI RIVER TODAY AND TONIGHT...

.STRONG EAST TO SOUTHEAST WINDS WILL DEVELOP ACROSS PORTIONS OF
THE COASTAL WATERS TODAY AND PERSIST THROUGH EARLY SUNDAY.

GMZ555-557-575-577-220500-
/O.CON.KLIX.SC.Y.0040.000000T0000Z-171022T1200Z/
COASTAL WATERS FROM BOOTHVILLE LA TO SOUTHWEST PASS OF THE
MISSISSIPPI RIVER OUT 20 NM-
COASTAL WATERS FROM PASCAGOULA MISSISSIPPI TO STAKE ISLAND OUT
20 NM-
COASTAL WATERS FROM STAKE ISLAND LA TO SOUTHWEST PASS OF THE
MISSISSIPPI RIVER FROM 20 TO 60 NM-
COASTAL WATERS FROM PASCAGOULA MISSISSIPPI TO STAKE ISLAND
LOUISIANA OUT 20 TO 60 NM-
348 PM CDT SAT OCT 21 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT SUNDAY...

* WINDS...EAST TO SOUTHEAST WINDS OF 20 TO 25 KNOTS.

* WAVES/SEAS...5 TO 7 FEET WITH OCCASIONALLY SEAS UP TO 8 FEET
  WELL OFFSHORE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 20 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

32

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
346 PM CDT SAT OCT 21 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CDT SUNDAY
FOR THE GULF WATERS OUT 60 NM...

GMZ650-655-670-675-220500-
/O.EXT.KMOB.SC.Y.0047.000000T0000Z-171022T2000Z/
COASTAL WATERS FROM PENSACOLA FL TO PASCAGOULA MS OUT 20 NM-
COASTAL WATERS FROM DESTIN TO PENSACOLA FL OUT 20 NM-
WATERS FROM PENSACOLA FL TO PASCAGOULA MS FROM 20 TO 60 NM-
WATERS FROM DESTIN TO PENSACOLA FL FROM 20 TO 60 NM-
346 PM CDT SAT OCT 21 2017

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM CDT SUNDAY...

* WINDS...SOUTHEAST WINDS 18 TO 23 KNOTS.

* WAVES/SEAS...SEAS 5 TO 7 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OR FREQUENT GUSTS
OF 20 TO 33 KNOTS AND/OR SEAS OF 7 FEET OR HIGHER ARE EXPECTED TO
PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED
MARINERS, ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID
NAVIGATING IN THESE CONDITIONS.

&&

$$


Rip Current Statement


COASTAL HAZARD MESSAGE...UPDATED
NATIONAL WEATHER SERVICE MOBILE AL
555 AM CDT SAT OCT 21 2017

...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH SUNDAY
AFTERNOON...

ALZ265-266-FLZ202-204-206-220000-
/O.NEW.KMOB.RP.S.0024.171021T1055Z-171023T0000Z/
MOBILE COASTAL-BALDWIN COASTAL-ESCAMBIA COASTAL-
SANTA ROSA COASTAL-OKALOOSA COASTAL-
555 AM CDT SAT OCT 21 2017

...HIGH RIP CURRENT RISK IN EFFECT THROUGH SUNDAY EVENING...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A HIGH RIP
CURRENT RISK, WHICH IS IN EFFECT THROUGH SUNDAY EVENING.

* WHERE...ALONG THE GULF BEACHES OF ALABAMA AND NORTHWEST FLORIDA.

* IMPACTS...FREQUENT LIFE-THREATENING RIP CURRENTS ARE EXPECTED.
  THE SURF IS DANGEROUS FOR ALL LEVELS OF SWIMMERS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A HIGH RISK OF RIP CURRENTS. RIP CURRENTS ARE LIFE-
THREATENING TO ANYONE ENTERING THE SURF. SWIM NEAR A LIFEGUARD.
IF CAUGHT IN A RIP CURRENT REMAIN CALM. DON`T FIGHT THE CURRENT.
SWIM IN A DIRECTION FOLLOWING THE SHORELINE. IF UNABLE TO ESCAPE,
FACE THE SHORE AND CALL OR WAVE FOR HELP. IF TIRED, FLOAT OR
TREAD WATER UNTIL OUT OF THE RIP CURRENT.

&&

$$


Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Jackson MS
247 PM CDT Sat Oct 21 2017

MSZ018-019-025>056-058>061-222000-
Bolivar-Sunflower-Leflore-Grenada-Carroll-Montgomery-Webster-Clay-
Lowndes-Choctaw-Oktibbeha-Washington-Humphreys-Holmes-Attala-
Winston-Noxubee-Issaquena-Sharkey-Yazoo-Madison MS-Leake-Neshoba-
Kemper-Warren-Hinds-Rankin-Scott-Newton-Lauderdale-Claiborne-
Copiah-Simpson-Smith-Clarke-Jefferson-Adams-Franklin MS-
247 PM CDT Sat Oct 21 2017

This hazardous weather outlook is for portions of central
Mississippi, north central Mississippi, and southwest
Mississippi.

.DAY ONE...Tonight and Sunday

FLOODING
THREAT...Limited
TIMING...Sunday

A strong cold front moving into the area will combine with
increasing moisture to produce widespread heavy rainfall by
afternoon. Two to three inches will be possible which may result
in minor flooding of low-lying and poor drainage areas.

(www.weather.gov/images/jan/graphicast/image2.png)

.DAYS TWO THROUGH SEVEN...Sunday night through Friday

The heavy rainfall will linger into the evening hours and taper
off from the west after midnight.

(www.weather.gov/images/jan/graphicast/image2.png)

.SPOTTER CALL TO ACTION STATEMENT...
The activation of storm spotters, HAM radio operators, and
emergency management personnel in support of severe weather
operations is not expected through next Friday.

$$

Hazardous Weather Outlook
National Weather Service Jackson MS
247 PM CDT Sat Oct 21 2017

MSZ057-062>066-072>074-222000-
Jasper-Lincoln-Lawrence-Jefferson Davis-Covington-Jones-Marion-
Lamar-Forrest-
247 PM CDT Sat Oct 21 2017

This hazardous weather outlook is for portions of east central
Mississippi, south central Mississippi, and southeast
Mississippi.

.DAY ONE...Tonight and Sunday

SEVERE THUNDERSTORMS
THREAT...Marginal
TIMING...Sunday

FLOODING
THREAT...Limited
TIMING...Sunday

Isolated severe thunderstorms will be possible Saturday afternoon
as a strong cold front plowss into an unstable airmass. The
strongest storms will be capable of damaging wind gusts to 60 mph
and up to quarter size hail. A tornado cannot be ruled out.

Widespread heavy rainfall will accompany these storms. Two to
three inches will be possible which may result in minor flooding
of low-lying and poor drainage areas.

(www.weather.gov/images/jan/graphicast/image1.png)
(www.weather.gov/images/jan/graphicast/image2.png)

.DAYS TWO THROUGH SEVEN...Sunday night through Friday

The heavy rainfall will linger into the evening hours and taper
off from the west after midnight.

(www.weather.gov/images/jan/graphicast/image2.png)

.SPOTTER CALL TO ACTION STATEMENT...
The activation of storm spotters, HAM radio operators, and
emergency management personnel in support of severe weather
operations may be needed for portions of the region Sunday.

$$

26

&&

...HAZARD LEGEND...

*FLOODING*
Extreme...Confident in significant flooding.
Significant...Significant flooding possible.
Elevated...Confident in flooding.
Limited...Flooding possible.

*SEVERE THUNDERSTORMS*
High...Significant severe thunderstorms are expected.
Moderate...Severe storms expected with significant
 severe weather possible.
Enhanced...Severe storms expected.
Slight...Severe storms possible.
Marginal...Isolated severe storms possible.


...USEFUL WEATHER WEB PAGES (URLS)...

NWS JAN Home page...
   www.weather.gov/jan
Stay Aware, Stay Safe NWS JAN Briefing Page...
   www.weather.gov/jan/safe
Latest Weather Briefing...
   www.weather.gov/jan/weather_briefing

Tropical page...
   www.weather.gov/jan/tropical
National Hurricane Center Home Page...
   www.nhc.noaa.gov/
Find NWS JAN on Facebook...
   www.facebook.com/NWSJacksonMS
Follow NWS JAN on Twitter...
   @NWSJacksonMS
Follow NWS JAN on Youtube...
   www.youtube.com/user/NWSJacksonMiss

...ADDITIONAL URLS FOR FLOODING ISSUES...

Current Watches and Warnings...
   www.weather.gov/jan/safe_HeavyRain

Observed Precipitation Images...
   www.weather.gov/jan/precipmaps

River Forecast Center...
   www.weather.gov/lmrfc/
Significant River Flood Outlook...
   www.wpc.ncep.noaa.gov/nationalfloodoutlook/index.html
Day 1 through 3 Excessive Rainfall...
   www.wpc.ncep.noaa.gov/qpf/excess_rain.shtml
Excessive Rainfall Discussion...
   www.wpc.ncep.noaa.gov/discussions/qpferd.html
Day 1 through 7 QPF...
   www.wpc.ncep.noaa.gov/qpf/qpf2.shtml
QPF Discussion...
   www.wpc.ncep.noaa.gov/discussions/qpfpfd.html
...ADDITIONAL URLS FOR SEVERE WEATHER ISSUES...

Storm Prediction Center (SPC)...
   www.spc.noaa.gov/
Meso Analysis...
   www.spc.noaa.gov/exper/mesoanalysis/
Day 1 through 3 Outlooks...
   www.spc.noaa.gov/products/outlook/
Storm Reports...
   www.spc.noaa.gov/climo/online/

Hazardous Weather Outlook
National Weather Service Shreveport LA
1133 AM CDT Sat Oct 21 2017

ARZ071>073-LAZ001>006-010>014-017>022-TXZ126-137-138-149>153-
165>167-221645-
Lafayette-Columbia-Union-Caddo-Bossier-Webster-Claiborne-Lincoln-
De Soto-Red River-Bienville-Jackson-Ouachita-Sabine-Natchitoches-
Winn-Grant-Caldwell-La Salle-Marion-Gregg-Harrison-Cherokee-Rusk-
Panola-Nacogdoches-Shelby-Angelina-San Augustine-
1133 AM CDT Sat Oct 21 2017

This Hazardous Weather Outlook is for portions of south central
Arkansas, southwest Arkansas, north central Louisiana, northwest
Louisiana, east Texas and northeast Texas.

.DAY ONE...This Afternoon and Tonight...

Scattered showers and isolated thunderstorms will develop today
through tonight ahead of an approaching cold front. However, no
hazardous weather is expected.

.DAYS TWO THROUGH SEVEN...Sunday through Friday...

Thunderstorms will accompany a strong cold front advancing south
through our region on Sunday morning. A few strong to marginally
severe storms will be possible, mainly along and north of a line
from Magnolia, Arkansas to Shreveport, Louisiana and Nacogdoches,
Texas...with a squall line posing the primary threat of damaging
winds. This threat will diminish through the mid to late morning
hours on Sunday as the cold front encounters much less favorable
conditions for sustaining any severe storms. Any lingering storms
will exit the region by late Sunday with the next chance of any
storms not arriving until possibly next Friday with another cold
front arriving in the region by the end of next week.

.SPOTTER INFORMATION STATEMENT...

Activation of emergency management personnel...amateur radio
operators and storm spotters could possibly be needed overnight
through early Sunday.

$$

07

Hazardous Weather Outlook
National Weather Service New Orleans LA
1051 AM CDT Sat Oct 21 2017

GMZ530-532-534-536-538-550-552-555-557-570-572-575-577-LAZ034>037-
039-040-046>050-056>072-MSZ068>071-077-080>082-220400-
Lake Pontchartrain and Lake Maurepas-Mississippi Sound-
Lake Borgne-Chandeleur Sound-Breton Sound-
Coastal Waters from Port Fourchon LA to Lower Atchafalaya River
LA out 20 nm-
Coastal waters from the Southwest Pass of the Mississippi River
to Port Fourchon Louisiana out 20 NM-
Coastal Waters from Boothville LA to Southwest Pass of the
Mississippi River out 20 nm-
Coastal waters from Pascagoula Mississippi to Stake Island out
20 NM-
Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya
River LA from 20 to 60 NM-
Coastal waters from Southwest Pass of the Mississippi River to
Port Fourchon Louisiana from 20 to 60 NM-
Coastal Waters from Stake Island LA to Southwest Pass of the
Mississippi River from 20 to 60 nm-
Coastal waters from Pascagoula Mississippi to Stake Island
Louisiana out 20 to 60 NM-Pointe Coupee-West Feliciana-
East Feliciana-St. Helena-Washington-St. Tammany-Iberville-
West Baton Rouge-East Baton Rouge-Ascension-Livingston-Assumption-
St. James-St. John The Baptist-Upper Lafourche-St. Charles-
Upper Jefferson-Orleans-Upper Plaquemines-Upper St. Bernard-
Upper Terrebonne-Lower Terrebonne-Lower Lafourche-Lower Jefferson-
Lower Plaquemines-Lower St. Bernard-Northern Tangipahoa-
Southern Tangipahoa-Wilkinson-Amite-Pike-Walthall-Pearl River-
Hancock-Harrison-Jackson-
1051 AM CDT Sat Oct 21 2017

This Hazardous Weather Outlook is for portions of Southeast
Louisiana...South Mississippi and the adjacent coastal waters.

.DAY ONE...Today and Tonight

A Small Craft Advisory is in effect for the open Gulf coastal
waters east of the Mississippi River as well as for Chandeleur
and Breton Sounds due to strong winds and hazardous seas.

Scattered thunderstorms are forecast for this afternoon and
tonight. Severe weather is not expected, but a few storms could
become strong, producing gusty winds, frequent lightning, and
locally heavy rainfall.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Scattered to numerous thunderstorms are expected Sunday and
Sunday night across Southern Mississippi and Southeastern
Louisiana. Severe weather is not currently expected, but a few of
these storms could become strong and produce gusty winds,
frequent lightning, and locally heavy rainfall.

Moderate to strong offshore flow behind a strong cold front will
result in hazardous conditions for small craft across the coastal
waters Monday and Tuesday with exercise caution headlines likely.
A stronger surge of cooler air may necessitate small craft
advisories Tuesday night.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

$$

95/DM

Hazardous Weather Outlook...UPDATED
National Weather Service Mobile AL
608 AM CDT Sat Oct 21 2017

ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-221115-
Choctaw-Washington-Clarke-Wilcox-Monroe-Conecuh-Butler-Crenshaw-
Escambia-Covington-Mobile Inland-Baldwin Inland-Mobile Central-
Baldwin Central-Mobile Coastal-Baldwin Coastal-Escambia Inland-
Escambia Coastal-Santa Rosa Inland-Santa Rosa Coastal-
Okaloosa Inland-Okaloosa Coastal-Wayne-Perry-Greene-Stone-George-
608 AM CDT Sat Oct 21 2017

This Hazardous Weather Outlook is for portions of south central
Alabama...southwest Alabama...northwest Florida and southeast
Mississippi.

.DAY ONE...Today and Tonight

A high risk of rip currents is now in effect for the beaches of
Alabama and the Northwest Florida Panhandle through tonight.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

A high risk of rip currents continues into Sunday across the beaches
of Alabama and the northwest Florida Panhandle.

Numerous to widespread showers and thunderstorms will move across
the region ahead of an approaching cold front late Sunday into
Monday. Locally heavy rainfall may result in ponding of water on
roadways and minor flooding of urban and low lying areas. Severe
weather currently appears unlikely, but a few storms could be strong
at times with brief strong and gusty winds and frequent lightning
strikes.

.SPOTTER INFORMATION STATEMENT...

Activation of SkyWarn Severe Storm Spotter networks is not
expected through Friday.

$$

Hazardous Weather Outlook...UPDATED
National Weather Service Mobile AL
608 AM CDT Sat Oct 21 2017

GMZ630>635-650-655-670-675-221115-
Northern Mobile Bay-Southern Mobile Bay-Mississippi Sound-
Perdido Bay-Pensacola Bay System-Choctawhatchee Bay-
Coastal waters from Pensacola FL to Pascagoula MS out 20 NM-
Coastal waters from Destin to Pensacola FL out 20 NM-
Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM-
Waters from Destin to Pensacola FL from 20 to 60 NM-
608 AM CDT Sat Oct 21 2017

This Hazardous Weather Outlook is for portions of the coastal
waters of Alabama and northwest Florida.

.DAY ONE...Today and Tonight

Hazardous conditions for small craft can be expected through
tonight.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Hazardous conditions for small craft can be expected Sunday
through Midweek.

Strong thunderstorms with gusty winds, frequent lightning and
periods of very heavy will be likely late Sunday through late
Monday morning.

$$

Hazardous Weather Outlook
National Weather Service Lake Charles LA
440 AM CDT Sat Oct 21 2017

LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-259>262-
220945-
Vernon-Rapides-Avoyelles-Beauregard-Allen-Evangeline-St. Landry-
Calcasieu-Jefferson Davis-Acadia-Lafayette-Upper St. Martin-
Vermilion-Iberia-St. Mary-Lower St. Martin-West Cameron-
East Cameron-Tyler-Hardin-Jefferson-Orange-Northern Jasper-
Northern Newton-Southern Jasper-Southern Newton-
440 AM CDT Sat Oct 21 2017

This Hazardous Weather Outlook is for portions of central
Louisiana, south central Louisiana, southwest Louisiana, west
central Louisiana, and southeast Texas.

.DAY ONE...Today and Tonight
Scattered showers and thunderstorms will be possible across
the area today. Occasional cloud to ground lightning will be
possible with the storms. Otherwise, no hazardous weather is
expected.

.DAYS TWO THROUGH SEVEN...Sunday through Friday
Showers and thunderstorms will increase from west to east Sunday
as a cold front moves through the area. While the overall risk for
severe weather is minimal, some isolated strong to marginally
severe storms will be possible during the day Sunday. The primary
threat will be strong wind gusts. In addition, storms will be
capable of producing occasional cloud to ground lightning and
locally heavy rainfall.

Dry conditions will return by Monday and persist through the week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected.

$$

Hazardous Weather Outlook
National Weather Service Lake Charles LA
440 AM CDT Sat Oct 21 2017

GMZ430-432-435-450-452-455-470-472-475-220945-
Sabine Lake-Calcasieu Lake-Vermilion Bay-
Coastal waters from Cameron LA to High Island TX out 20 NM-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
Waters from Cameron LA to High Island TX from 20 to 60 NM-
Waters from  Intracoastal City to Cameron LA from 20 to 60 NM-
Waters from Lower Atchafalaya River to Intracoastal City LA from
20 to 60 NM-
440 AM CDT Sat Oct 21 2017

This Hazardous Weather Outlook is for portions of Gulf of Mexico.

.DAY ONE...Today and Tonight
Scattered showers and thunderstorms will be possible over the
coastal waters today through tonight. Occasional cloud to ground
lightning will be possible with the storms. Otherwise, no
hazardous weather is expected.

.DAYS TWO THROUGH SEVEN...Sunday through Friday
Showers and thunderstorms will increase from west to east Sunday
as a cold front moves through the area. Occasional cloud to water
lightning and gusty winds can be expected with the storms.

Behind the front, moderate to strong northerly winds will develop
Sunday night into Monday. Exercise caution conditions are
anticipated behind this front. On Tuesday, a secondary front will
move through the region. This will reinforce the strong offshore
flow, and Small Craft Advisories may be needed from Tuesday into
Wednesday.

.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.

$$

24

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
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE