536
FNUS74 KLIX 150917
FWSLIX
SPOT FORECAST FOR GRAND ISLE BLOCK 59 RELEASE INLAND...NOAA
NATIONAL WEATHER SERVICE NEW ORLEANS LA
417 AM CDT SUN MAR 15 2026
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
WE CAN BE REACHED AT (985) 649-0357 IF YOU HAVE QUESTIONS OR CONCERNS
WITH THIS FORECAST.
DISCUSSION
SOUTHERLY WINDS WILL INCREASE TO 15 KNOTS THIS MORNING AS LOW
PRESSURE STRENGTHENS OVER THE MIDDLE MISSISSIPPI RIVER VALLEY.
A STRONG COLD FRONT WILL MOVE ACROSS THE AREA OVERNIGHT, SHIFTING
WINDS TO THE NORTH AND INCREASING SPEEDS TO AROUND 30 KNOTS
WITH HIGHER GUSTS, QUICKLY INCREASING SEAS TO 6 TO 9 FEET OVER
THE OPEN WATERS, AND AS HIGH AS 12 FEET WELL OFFSHORE. THESE
STRONG WINDS WILL CONTINUE THROUGH ABOUT MIDDAY MONDAY BEFORE
DIMINISHING TO 20 TO 25 KNOTS. HAZARDOUS CONDITIONS WILL LIKELY
CONTINUE UNTIL ABOUT MIDDAY TUESDAY, WHEN WINDS SHOULD DROP OFF
TO ABOUT 10 KNOTS AND SEAS RELAX TO 1 TO 2 FEET.
TODAY
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 74.
MIN HUMIDITY........81 PERCENT.
MAX APPARENT TEMP...74.
SURFACE WINDS (KTS).SOUTH WINDS 12 TO 16 KNOTS.
TRANSPORT WINDS.....SOUTH 15 TO 21 MPH.
TRANSPORT WINDS M/S.SOUTH 7 TO 9 METERS/SECOND.
WAVE HEIGHT.........1 FOOT.
WAVE PERIOD.........2 SECONDS.
CEILING (KFT).......25 DECREASING TO 2.7 LATE IN THE AFTERNOON.
WIND (20 FT)........SOUTH WINDS 13 TO 17 MPH.
TIME (CDT) 5AM 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........38 32 24 28 16 19 21 15 24 39 23 31 34
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0 0
TEMP............69 69 69 70 71 72 73 73 74 73 73 72 70
RH..............84 87 87 87 84 84 81 84 82 87 87 90 97
APARNT TMP (F)..69 69 69 70 71 72 73 73 74 73 73 72 70
20 FT WIND DIR..SSE SSE S S S S S S S S S S S
20 FT WIND SPD..14 14 14 15 15 16 16 16 17 17 18 18 18
20 FT WIND GUST.16 16 16 17 17 18 20 20 20 21 22 22 22
SFC WND DIR.....SSE SSE S S S S S S S S S S S
SFC WND SPD KTS.12 12 12 13 13 14 14 14 15 15 16 16 16
SFC WND GST.....16 16 16 17 17 18 20 20 20 21 22 22 22
TRANSP WIND DIR.S S S S S S S S S S S S S
TRANSP WIND SPD.15 15 16 17 18 20 20 20 21 21 20 21 20
TRANS WIND DIR..S S S S S S S S S S S S S
TRANS SPD (M/S).7 7 7 8 8 9 9 9 9 9 9 9 9
WAVE PERIOD (S).2 2 2 2 2 2 2 2 2 2 2 2 2
WAVE HEIGHT (FT)1 1 1 1 1 1 1 1 1 1 1 1 1
CEILING (KFT)...25 25 25 25 25 25 25 25 25 25 2.7 2.7 2.7
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). CHANCE OF RAIN
SHOWERS IN THE EVENING. CHANCE OF THUNDERSTORMS
THROUGH THE NIGHT. RAIN SHOWERS OVERNIGHT.
CHANCE OF PCPN......80 PERCENT.
MIN TEMPERATURE.....AROUND 51.
MAX HUMIDITY........100 PERCENT.
MAX APPARENT TEMP...67.
SURFACE WINDS (KTS).WINDY. SOUTHWEST WINDS 16 TO 19 KNOTS SHIFTING
TO THE WEST OVERNIGHT, THEN SHIFTING TO THE
NORTH 23 TO 30 KNOTS OVERNIGHT.
TRANSPORT WINDS.....SOUTHWEST 21 TO 22 MPH SHIFTING TO THE WEST
AROUND 23 MPH OVERNIGHT, THEN SHIFTING TO THE
NORTH 26 TO 35 MPH OVERNIGHT.
TRANSPORT WINDS M/S.SOUTH AROUND 10 METERS/SECOND SHIFTING TO THE
SOUTHWEST 9 TO 10 METERS/SECOND IN THE EVENING,
THEN SHIFTING TO THE WEST AROUND 10
METERS/SECOND OVERNIGHT SHIFTING TO THE NORTH
12 TO 16 METERS/SECOND OVERNIGHT.
WAVE HEIGHT.........1 FOOT.
WAVE PERIOD.........2 SECONDS.
CEILING (KFT).......3.5 DECREASING TO 1.8 EARLY IN THE EVENING,
THEN DECREASING TO 1.1 LATE IN THE EVENING
DECREASING TO 0.4 AFTER MIDNIGHT THEN
INCREASING TO 2.7 TOWARD SUNRISE.
WIND (20 FT)........WINDY. SOUTHWEST WINDS 17 TO 20 MPH SHIFTING TO
THE WEST AROUND 21 MPH OVERNIGHT, THEN SHIFTING
TO THE NORTH 24 TO 31 MPH OVERNIGHT. GUSTY AND
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........56 57 63 69 83 82 83 79 79 84 78 75
WEATHER COV..... SCH CHC CHC DEF LKY CHC SCH SCH
WEATHER TYPE.... RW RW RW RW RW RW RW RW
TSTM COV........ SCH CHC CHC CHC CHC CHC SCH
CHC OF PCPN (%).0 0 0 10 20 30 40 80 70 40 20 20
TEMP............67 63 61 60 58 57 57 55 55 54 53 53
RH..............100 100 100 100 100 100 100 100 100 100 100 100
APARNT TMP (F)..67 63 61 60 58 57 57 55 55 54 53 53
20 FT WIND DIR..S S S SSW SW SW W W NW NNW N N
20 FT WIND SPD..18 18 20 21 21 22 23 23 26 31 33 35
20 FT WIND GUST.22 22 23 25 25 26 28 28 32 37 40 41
SFC WND DIR.....S S S SSW SW SW W W NW NNW N N
SFC WND SPD KTS.16 16 17 18 18 19 20 20 23 27 29 30
SFC WND GST.....22 22 23 25 25 26 28 28 32 37 40 41
TRANSP WIND DIR.S SSW SSW SSW SW SW W WNW NW N N N
TRANSP WIND SPD.22 22 21 21 21 22 23 23 26 31 33 35
TRANS WIND DIR..S SSW SSW SSW SW SW W WNW NW N N N
TRANS SPD (M/S).10 10 9 9 9 10 10 10 12 14 15 16
WAVE PERIOD (S).2 2 2 2 2 2 2 2 2 2 2 2
WAVE HEIGHT (FT)1 1 1 1 1 1 1 1 1 1 1 1
CEILING (KFT)...3.5 3.5 2.2 1.8 1.8 1.1 0.9 0.4 0.5 0.3 0.6 2.7
MONDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) THEN BECOMING
MOSTLY SUNNY (30-40 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS IN THE MORNING.
CHANCE OF PCPN......20 PERCENT.
MAX TEMPERATURE.....AROUND 58.
MIN HUMIDITY........35 PERCENT.
MAX APPARENT TEMP...57.
SURFACE WINDS (KTS).WINDY. NORTH WINDS 23 TO 31 KNOTS.
TRANSPORT WINDS.....NORTH 30 TO 39 MPH.
TRANSPORT WINDS M/S.NORTH 13 TO 17 METERS/SECOND.
WAVE HEIGHT.........1 FOOT.
WAVE PERIOD.........2 SECONDS.
CEILING (KFT).......3.5 INCREASING TO 25.
WIND (20 FT)........WINDY. NORTH WINDS 24 TO 32 MPH.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........72 80 80 73 65 50 36 21 21 21 21 27
WEATHER COV.....SCH SCH SCH SCH SCH SCH SCH
WEATHER TYPE....RW RW RW RW RW RW RW
TSTM COV........
CHC OF PCPN (%).20 20 20 20 20 20 20 10 10 10 0 0
TEMP............52 51 53 54 55 56 57 57 57 57 57 56
RH..............93 83 66 57 49 43 40 38 37 37 35 35
APARNT TMP (F)..52 51 53 54 55 56 57 57 57 57 57 56
20 FT WIND DIR..N N N N N N NNW NNW NNW NNW NNW NNW
20 FT WIND SPD..36 36 36 33 32 30 29 28 26 26 26 26
20 FT WIND GUST.43 43 43 40 39 37 35 33 32 32 32 31
SFC WND DIR.....N N N N N N NNW NNW NNW NNW NNW NNW
SFC WND SPD KTS.31 31 31 29 28 26 25 24 23 23 23 23
SFC WND GST.....43 43 43 40 39 37 35 33 32 32 32 31
TRANSP WIND DIR.N N N N N N N N N NNW NNW NNW
TRANSP WIND SPD.36 39 37 36 36 33 31 30 30 31 31 30
TRANS WIND DIR..N N N N N N N N N NNW NNW NNW
TRANS SPD (M/S).16 17 17 16 16 15 14 13 13 14 14 13
WAVE PERIOD (S).2 2 2 2 2 2 2 2 2 2 2 2
WAVE HEIGHT (FT)1 1 1 1 1 1 1 1 1 1 1 1
CEILING (KFT)...3.5 4.5 5.8 5.8 11 11 11 25 25 25 25 25
FORECAST DAYS 3 THROUGH 7
TUESDAY
MOSTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID 50S. NORTH
WINDS AROUND 20 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S.
NORTHEAST WINDS AROUND 11 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 60S.
SOUTHEAST WINDS AROUND 6 MPH.
FRIDAY
CLEAR. LOWS IN THE MID 60S. HIGHS IN THE LOWER 70S.
SATURDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 70S.
OUTLOOK FOR SUNDAY MARCH 22 THROUGH SATURDAY MARCH 28
HIGH PRESSURE WILL PRODUCE WESTERLY WINDS AROUND 10 KNOTS ON SUNDAY
THE 22ND, AND VARIABLE WINDS LESS THAN 10 KNOTS FOR MONDAY THE 23RD
THROUGH AT LEAST WEDNESDAY THE 25TH. A COLD FRONTAL PASSAGE WILL
OCCUR ON THE 26TH OR 27TH, PRODUCING OFFSHORE WINDS, WHICH COULD
BECOME GUSTY ON THE 27TH OR 28TH. IF ANY PRECIPITATION OCCURS, IT
WILL LIKELY BE AROUND THE 26TH.
FORECASTER...WAGNER
REQUESTED BY...BRANDI TODD
TYPE OF REQUEST...HAZMAT
.TAG 2605758.2/LIX
.DELDT 03/15/26
.FORMATTERVERSION 2.0.0
.EMAIL NWCOPELAND@LOOPLLC.COM,PETER.LEBEL@NOAA.GOV,DEMASKEY@CLEANGULFASSOC.COM,RDCAUTERIEVE@LOOPLLC.COM,ELYONS@AMPOL.NET,SR-LIX.FORECASTERS@NOAA.GOV,TCSHAW@LOOPLLC.COM,BRANDI.TODD@NOAA.GOV
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