605
FNUS74 KLIX 210850
FWSLIX
SPOT FORECAST FOR GRAND ISLE BLOCK 59 RELEASE INLAND...NOAA
NATIONAL WEATHER SERVICE NEW ORLEANS LA
350 AM CDT THU MAY 21 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
A LARGE AREA OF HIGH PRESSURE WILL REMAIN SITUATED OVER THE WESTERN
ATLANTIC THROUGH THE WEEK AND INTO THE WEEKEND. THIS WILL MAINTAIN
LIGHT TO MODERATE ONSHORE FLOW THROUGH THE TIME. WINDS WILL BOUNCE
AROUND HEADLINE CRITERIA WITH SUSTAINED WINDS RIGHT AROUND 10 KNOTS,
ESPECIALLY CLOSER TO THE COAST AND WEST OF THE MS RIVER. AS FOR
SHOWERS AND THUNDERSTORMS, DAILY ISOLATED TO SCATTERED SHOWERS WILL
BE POSSIBLE EACH DAY HOWEVER THE BULK OF THE COVERAGE WILL REMAIN
INLAND. WITH ANY THUNDERSTORMS LOCALLY HAZARDOUS WINDS AND WAVES CAN
BE EXPECTED.
REST OF TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS.
CHANCE OF PCPN......30 PERCENT.
MIN TEMPERATURE.....AROUND 79.
MAX HUMIDITY........82 PERCENT.
MAX APPARENT TEMP...87.
SURFACE WINDS (KTS).SOUTH WINDS AROUND 6 KNOTS.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
TRANSPORT WINDS M/S.SOUTH AROUND 4 METERS/SECOND.
WAVE HEIGHT.........LESS THAN 1 FOOT.
WAVE PERIOD.........1 SECONDS.
CEILING (KFT).......2.2.
WIND (20 FT)........SOUTH WINDS AROUND 6 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS.
TIME (CDT) 5AM
SKY (%).........76
WEATHER COV.....CHC
WEATHER TYPE....RW
TSTM COV........SCH
CHC OF PCPN (%).30
TEMP............81
RH..............82
APARNT TMP (F)..87
20 FT WIND DIR..SSE
20 FT WIND SPD..7
20 FT WIND GUST.9
SFC WND DIR.....SSE
SFC WND SPD KTS.6
SFC WND GST.....9
TRANSP WIND DIR.S
TRANSP WIND SPD.10
TRANS WIND DIR..S
TRANS SPD (M/S).4
WAVE PERIOD (S).1
WAVE HEIGHT (FT)0
CEILING (KFT)...2.2
TODAY
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT). CHANCE OF SHOWERS
AND THUNDERSTORMS.
CHANCE OF PCPN......30 PERCENT.
MAX TEMPERATURE.....AROUND 82.
MIN HUMIDITY........82 PERCENT.
MAX APPARENT TEMP...87.
SURFACE WINDS (KTS).SOUTH WINDS 7 TO 10 KNOTS.
TRANSPORT WINDS.....SOUTH 8 TO 14 MPH.
TRANSPORT WINDS M/S.SOUTH 4 TO 6 METERS/SECOND.
WAVE HEIGHT.........1 FOOT.
WAVE PERIOD.........2 SECONDS.
CEILING (KFT).......1.8 INCREASING TO 2.7 EARLY IN THE MORNING,
THEN DECREASING TO 1.8 LATE IN THE MORNING
DECREASING TO 1.3 LATE IN THE MORNING
INCREASING TO 1.6 DECREASING TO 1.1 LATE IN THE
AFTERNOON.
WIND (20 FT)........SOUTHEAST WINDS 7 TO 10 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS EARLY IN THE
MORNING. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........53 55 63 60 55 45 57 58 52 44 51 40
WEATHER COV.....CHC CHC SCH SCH SCH SCH SCH SCH SCH CHC CHC CHC
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........SCH CHC SCH SCH SCH SCH SCH SCH SCH CHC CHC CHC
CHC OF PCPN (%).30 30 20 20 20 20 20 20 20 30 30 30
TEMP............81 81 81 79 80 80 80 80 80 81 80 80
RH..............82 82 82 88 82 85 82 85 88 82 85 85
APARNT TMP (F)..87 87 87 79 85 85 85 85 86 87 85 85
20 FT WIND DIR..SSE SSE SSE SSE SSE SSE SSE SSE SSE SSE SSE SSE
20 FT WIND SPD..8 8 8 8 8 9 9 10 10 12 12 12
20 FT WIND GUST.10 10 10 10 10 12 12 13 13 14 14 14
SFC WND DIR.....SSE SSE SSE SSE SSE SSE SSE SSE SSE SSE SSE SSE
SFC WND SPD KTS.7 7 7 7 7 8 8 9 9 10 10 10
SFC WND GST.....10 10 10 10 10 12 12 13 13 14 14 14
TRANSP WIND DIR.S S S S S SSE SSE S SSE S S S
TRANSP WIND SPD.10 9 8 8 8 9 10 12 12 13 13 14
TRANS WIND DIR..S S S S S SSE SSE S SSE S S S
TRANS SPD (M/S).4 4 4 4 4 4 4 5 5 6 6 6
WAVE PERIOD (S).1 1 1 2 2 2 2 2 2 2 2 2
WAVE HEIGHT (FT)0 0 0 0 0 0 1 1 1 1 1 1
CEILING (KFT)...1.8 2.2 2.7 1.8 1.3 1.5 1.8 1.8 1.6 1.3 1.1 1.1
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). CHANCE OF
SHOWERS AND THUNDERSTORMS THROUGH THE NIGHT.
CHANCE OF PCPN......40 PERCENT.
MIN TEMPERATURE.....AROUND 80.
MAX HUMIDITY........85 PERCENT.
MAX APPARENT TEMP...89.
SURFACE WINDS (KTS).SOUTH WINDS 10 TO 11 KNOTS.
TRANSPORT WINDS.....SOUTH 12 TO 15 MPH.
TRANSPORT WINDS M/S.SOUTH 5 TO 7 METERS/SECOND.
WAVE HEIGHT.........1 FOOT.
WAVE PERIOD.........2 SECONDS.
CEILING (KFT).......1.3 DECREASING TO 0.9 EARLY IN THE EVENING,
THEN INCREASING TO 1.1 EARLY IN THE EVENING
INCREASING TO 2.2 LATE IN THE EVENING
DECREASING TO 1.1.
WIND (20 FT)........SOUTH WINDS 10 TO 12 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS EARLY IN THE
EVENING. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS LATE IN THE EVENING. GUSTY AND
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
OVERNIGHT.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........51 55 72 58 67 66 57 76 76 69 62 58
WEATHER COV.....CHC SCH SCH CHC CHC CHC CHC CHC CHC
WEATHER TYPE....RW RW RW RW RW RW RW RW RW
TSTM COV........CHC SCH SCH CHC SCH SCH SCH SCH SCH
CHC OF PCPN (%).30 10 10 10 20 20 30 40 30 30 30 40
TEMP............80 80 81 81 81 81 81 82 82 82 81 82
RH..............85 85 82 82 85 85 85 82 82 82 85 82
APARNT TMP (F)..85 85 87 87 87 87 87 89 89 89 87 89
20 FT WIND DIR..S SSE SSE SSE SSE SSE S S S S S S
20 FT WIND SPD..12 12 12 12 13 13 13 13 13 13 13 13
20 FT WIND GUST.14 14 14 14 15 15 15 15 16 16 16 16
SFC WND DIR.....S SSE SSE SSE SSE SSE S S S S S S
SFC WND SPD KTS.10 10 10 10 11 11 11 11 11 11 11 11
SFC WND GST.....14 14 14 14 15 15 15 15 16 16 16 16
TRANSP WIND DIR.S S S S S S S S S S S S
TRANSP WIND SPD.14 12 13 13 13 13 14 15 14 14 14 14
TRANS WIND DIR..S S S S S S S S S S S S
TRANS SPD (M/S).6 5 6 6 6 6 6 7 6 6 6 6
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)...1.3 0.9 1.1 1.3 1.3 2.2 1.3 1.3 1.2 1.2 1.1 1.2
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). CHANCE OF SHOWERS
AND THUNDERSTORMS.
CHANCE OF PCPN......40 PERCENT.
MAX TEMPERATURE.....AROUND 82.
MIN HUMIDITY........85 PERCENT.
MAX APPARENT TEMP...90.
SURFACE WINDS (KTS).SOUTH WINDS 10 TO 12 KNOTS.
TRANSPORT WINDS.....SOUTH 12 TO 15 MPH.
TRANSPORT WINDS M/S.SOUTH 5 TO 7 METERS/SECOND.
WAVE HEIGHT.........1 FOOT.
WAVE PERIOD.........2 SECONDS.
CEILING (KFT).......1.2 INCREASING TO 9.2 EARLY IN THE MORNING,
THEN INCREASING TO 10 IN THE LATE MORNING AND
EARLY AFTERNOON DECREASING TO 1.5 EARLY IN THE
AFTERNOON INCREASING TO 2.2.
WIND (20 FT)........SOUTH WINDS 10 TO 13 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS EARLY IN THE
MORNING. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS IN THE LATE MORNING AND
AFTERNOON.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........55 60 57 52 55 47 52 51 34 31 57 42
WEATHER COV.....CHC SCH SCH CHC SCH CHC CHC CHC CHC CHC CHC CHC
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........SCH SCH SCH CHC SCH CHC CHC CHC CHC CHC CHC CHC
CHC OF PCPN (%).30 20 20 40 20 40 40 30 30 30 30 30
TEMP............80 82 81 81 81 81 80 80 80 81 81 81
RH..............88 85 85 85 85 85 88 88 91 88 85 85
APARNT TMP (F)..86 90 87 87 87 87 86 86 87 88 87 87
20 FT WIND DIR..S S S S S S S S S S S S
20 FT WIND SPD..14 14 14 13 14 13 13 13 13 12 13 12
20 FT WIND GUST.16 17 17 16 16 16 15 15 15 15 15 14
SFC WND DIR.....S S S S S S S S S S S S
SFC WND SPD KTS.12 12 12 11 12 11 11 11 11 10 11 10
SFC WND GST.....16 17 17 16 16 16 15 15 15 15 15 14
TRANSP WIND DIR.S S S S S S S S SSW SSW S SSW
TRANSP WIND SPD.14 15 14 13 14 13 13 13 13 12 13 12
TRANS WIND DIR..S S S S S S S S SSW SSW S SSW
TRANS SPD (M/S).6 7 6 6 6 6 6 6 6 5 6 5
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)...1.2 1.3 9.2 10 11 10 10 10 1.5 1.8 2.2
FORECAST DAYS 3 THROUGH 7
SATURDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE
LOWER 80S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 9 MPH.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS. LOWS
AROUND 80. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND 9 MPH.
MEMORIAL DAY
SHOWERS AND CHANCE OF THUNDERSTORMS. LOWS AROUND 80. HIGHS IN THE
LOWER 80S. SOUTHEAST WINDS AROUND 13 MPH.
TUESDAY
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS. LOWS AROUND 80. HIGHS
IN THE LOWER 80S.
WEDNESDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE
LOWER 80S. HIGHS IN THE LOWER 80S.
OUTLOOK FOR THURSDAY MAY 28 THROUGH WEDNESDAY JUNE 03
A WETTER THAN NORMAL PATTERN WILL PERSIST THROUGH THE BEGINNING OF
JUNE, WITH SUMMER-LIKE MAINLY LATE MORNING THROUGH EVENING
SCATTERED POP UP THUNDERSTORMS EXPECTED EACH DAY. INCREASED RAIN
CHANCES WILL KEEP TEMPERATURES LOWER, REFRAINING FROM BECOMING
EXCESSIVELY HOT. LOCALLY HEAVY RAINFALL, DANGEROUS LIGHTNING AND
LOCALLY GUSTY WINDS WILL BE THE MAIN RISKS IN ANY INDIVIDUAL
STORM.
FORECASTER...GILMORE
REQUESTED BY...BRANDI TODD
TYPE OF REQUEST...HAZMAT
.TAG 2613995.4/LIX
.DELDT 05/21/26
.FORMATTERVERSION 2.0.0
.EMAIL NWCOPELAND@LOOPLLC.COM,PETER.LEBEL@NOAA.GOV,RLOZADA@RESPONSEGROUP.COM,JHELLICKSON@RESPONSEGROUPINC.COM,DEMASKEY@CLEANGULFASSOC.COM,SR-LIX.FORECASTERS@NOAA.GOV,RCDAUTERIVE@LOOPLLC.COM,VCARREIRO@RESPONSEGROUPINC.COM,BRANDI.TODD@NOAA.GOV,APARDO@RESPONSEGROUPINC.COM,ELYONS@AMPOL.NET,JSILVA@RESPONSEGROUPINC.COM
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