NHC Marine Weather Discussion

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National Hurricane Center Marine Weather Discussion

  • Sat, 23 Feb 2019 12:33:35 -0700: NHC Marine Weather Discussion - NHC Marine Weather Discussion

    AGXX40 KNHC 231933 RRA

    Marine Weather Discussion
    NWS National Hurricane Center Miami FL
    233 PM EST Sat Feb 23 2019

    Marine Weather Discussion for the Gulf of Mexico, Caribbean Sea,
    and Tropical North Atlantic from 07N to 19N between 55W and 64W
    and the Southwest North Atlantic including the Bahamas

    ...GULF OF MEXICO...

    High pressure extending from the western Atlantic to the N
    central Gulf waters will weaken through the remainder of this
    afternoon and early evening as a cold front, that is presently
    just inland and along the Texas coast early this afternoon,
    pushes offshore to the far western Gulf. A pre-frontal trough
    is 60 nm within to the east of the trough. Radar imagery is
    revealing scattered showers and isolated thunderstorms along the
    pre-frontal trough. Current surface observations are showing a
    sharp wind shift of moderate winds from south-southwest to
    northwest behind the front. The front is forecast to reach from
    southeastern Louisiana to near 27N94W and to near Tampico by
    early this evening, from near Apalachicola to 26N91W and to the
    SW Gulf near 20N97W by early on Sun and from near Fort Myers to
    24N89W and to the coast of Mexico near 18N94W by Sun evening. The
    front will then stall and begin to weaken from the Florida Keys
    to the SW Gulf of Mexico on Mon. Gale force northwest to north
    winds and seas of up to 11 or 12 ft are expected west of the
    front over a small section of the SW Gulf from early Sun evening
    through Sun night. The frontal remnants will lift back to the
    north as a warm front over the central and eastern Gulf on Tue
    and to inland the coast by Wed night. High pressure from the
    Atlantic will settle back in over the area Wed and Thu providing
    for a generally light wind regime across the forecast waters.

    55W AND 64W...

    High pressure north of the region will maintain fresh to strong
    trade winds across the central Caribbean and Gulf of Honduras
    during the next several days. Winds will increase to gale force
    along the coast of Colombia, through Wed. An Ascat pass from this
    morning depicted the western fringe of the gale force winds
    that were ongoing near the and along the coast of Colombia. Long
    period north to northeast swell will propagate through the Atlantic
    waters and Caribbean Passages east of 65W through Wed, then be
    replaced by a much expansive set of north swell through Thu. Wave
    model guidance indicates peak wave heights reaching to around 10
    ft with this set of swell.


    A 1026 mb high center near 28N68W, with a ridge extending
    southeastward into the central Atlantic will shift slowly
    southeastward through Sun night ahead of a cold front that will
    move off the northeast Florida coast by late Sun. The front will
    reach from near Bermuda to the Florida Keys by Mon afternoon,
    before stalling and weakening along roughly 26N through Tue
    night. High pressure north of the area will shift eastward Tue
    through Wed night as a trough approaches the southeastern U.S.
    Fresh to strong northeast to east winds are expected over much of
    the waters Tue through early Wed afternoon. Winds then become
    mainly southerly to the north of about 26N Wed night as a cold
    front approaches the southeastern U.S. coast. Present indications
    from majority of the models are that this front will move across
    the far northwest part of the area on Thu.


    .WARNINGS...Any changes impacting coastal NWS offices will be
    coordinated through AWIPS II Collaboration Chat, or by

    .GMZ023...SW GULF S OF 22N W OF 94W...
    Gale Warning S of 20.5N W of 95W from late Sun afternoon through
    Sun night.

    55W AND 64W...
    GALE Warning within 90 nm of coast of Colombia at night through



    *For detailed zone descriptions, please visit:

    Note: gridded marine forecasts are available in the National
    Digital Forecast Database (NDFD) at:

    For additional information, please visit:


    .Forecaster Aguirre. National Hurricane Center.

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Updated: March 6, 2011 — 12:43 am

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Rich Fleetwood

Rich is the founder of SurvivalRing, now in it's 20th year, author of multimedia CDs and DVDs, loves the outdoors, his family, his geeky skill-set, and lives in rural Missouri, just a few miles from the Big Muddy. Always ready to help others, he shares what he learns on multiple blogs, social sites, and more. With a background in preparedness and survival skills, training with county, state, and national organizations, and skills in all areas of media and on air experience in live radio and television, Rich is always thinking about the "big picture", when it comes to helping individuals and families prepare for life's little surprises. Since 1997, he has provided guidance, authentic government survival history, and commentary on why we all need to get ready for that fateful day in the future, when we have to get our hands dirty and step in to save the day. He is an award winning videographer (2005 Telly Award), has received state and national scholarly recognition (2006 New Century Scholar and All USA Academic Team), and is a natural with computers, technology, gadgets, small furry mammals, and anything on wheels. Rich likes making friends, solving problems, and creating solutions to everyday issues. He doesn't mind mixing things up, when there is a teaching moment ready to happen. As a constitutional conservative, he's staying quite busy these days. The SurvivalRing Radio Show at www.survivalringradio.com will be coming back SOON!

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