Marine Weather Message
Issued by NWS Houston/Galveston, TX

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WHUS74 KHGX 200942
MWWHGX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
342 AM CST FRI JAN 20 2017

...DENSE FOG ADVISORY FOR GALVESTON BAY AND ADJACENT GULF
WATERS THIS MORNING AND A GALE WATCH FOR ALL WATERS ON SUNDAY...

.DENSE FOG HAS DEVELOPED OVER PARTS OF GALVESTON BAY AND
VISIBILITY IS DEGRADING ON WEBCAMS TOWARDS THE GULF OF MEXICO. AS
SUCH...A DENSE FOG ADVISORY IS ISSUED THROUGH AT LEAST MID-
MORNING. ADDITIONALLY...THERE IS INCREASING CONFIDENCE IN GALE
CONDITIONS BEHIND A COLD FRONTAL PASSAGE FROM LATE SATURDAY NIGHT
INTO SUNDAY...AND A GALE WATCH HAS BEEN ISSUED FOR THIS TIME.

GMZ335-355-201745-
/O.CON.KHGX.MF.Y.0011.000000T0000Z-170120T1500Z/
/O.NEW.KHGX.GL.A.0001.170122T0900Z-170123T0300Z/
GALVESTON BAY-
COASTAL WATERS FROM HIGH ISLAND TO FREEPORT OUT 20 NM-
342 AM CST FRI JAN 20 2017

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS
MORNING...
...GALE WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY
EVENING...

THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON HAS ISSUED A
GALE WATCH...WHICH IS IN EFFECT FROM LATE SATURDAY NIGHT THROUGH
SUNDAY EVENING.

* VISIBILITY...LESS THAN 1 MILE OVERNIGHT INTO THIS MORNING...WITH
  PATCHES OF LESS THAN ONE QUARTER MILE POSSIBLE.

* WINDS...SUSTAINED WINDS INCREASING SATURDAY NIGHT INTO
  SUNDAY...UP TO 25 TO 35 KNOTS WITH FREQUENT GALE FORCE GUSTS
  EXPECTED.

* SEAS...INCREASING LATE SATURDAY NIGHT INTO SUNDAY UP TO 4 TO 6
  FEET WITH OCCASIONAL SEAS UP TO 7 FEET


PRECAUTIONARY/PREPAREDNESS ACTIONS...

MARINERS SHOULD BE PREPARED FOR SUDDEN CHANGES IN VISIBILITY OVER
SHORT DISTANCES. REDUCE YOUR SPEED AND KEEP A LOOKOUT FOR OTHER
VESSELS...BUOYS AND BREAKWATERS. KEEP YOUR NAVIGATION LIGHTS ON.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER CRAFT
OR NOT EQUIPPED WITH RADAR...SHOULD CONSIDER SEEKING SAFE HARBOR.

A GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO
47 KNOTS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING
AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE
ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER
ALTERING THEIR PLANS.

&&

$$

GMZ330-350-370-375-201745-
/O.NEW.KHGX.GL.A.0001.170122T0900Z-170123T0300Z/
MATAGORDA BAY-
COASTAL WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL OUT
20 NM-
WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL FROM 20 TO
60 NM-WATERS FROM HIGH ISLAND TO FREEPORT FROM 20 TO 60 NM-
342 AM CST FRI JAN 20 2017

...GALE WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY
EVENING...

THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON HAS ISSUED A
GALE WATCH...WHICH IS IN EFFECT FROM LATE SATURDAY NIGHT THROUGH
SUNDAY EVENING.

* WINDS...SUSTAINED WINDS INCREASING SATURDAY NIGHT INTO
  SUNDAY...UP TO 25 TO 35 KNOTS. THE STRONGEST WINDS ARE EXPECTED
  TOWARDS THE OPEN WATERS OF THE GULF OF MEXICO. PEAK GUSTS
  OFFSHORE AS HIGH AS 40-45 KNOTS ARE POSSIBLE.

* SEAS...INCREASING LATE SATURDAY NIGHT INTO SUNDAY. IN THE
  NEARSHORE WATERS...UP TO 4 TO 6 FEET WITH OCCASIONAL SEAS UP TO
  7 FEET. IN THE OFFSHORE WATERS...7 TO 10 FEET WITH OCCASIONAL
  SEAS UP TO 13 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO
47 KNOTS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING
AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE
ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER
ALTERING THEIR PLANS.

&&

$$


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