814
FNUS74 KLIX 172230
FWSLIX

Spot Forecast for Port Sulphur Oil Spill...NOAA
National Weather Service New Orleans LA
530 PM CDT Thu Jul 17 2025

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 typical summertime regime sets up behind the departing tropical
disturbance this weekend. Daily showers and thunderstorms will be possible
during the peak heating in the afternoon. That said, high pressure on Sunday
will move into the region, which should limit the overall rain chances a
bit. Inversely, as rain chances decrease, temperatures will increase.

.FRIDAY NIGHT...

Sky/weather.........Mostly cloudy (65-75 percent). Chance of
                    thunderstorms in the evening. Chance of showers
                    through the night. Chance of thunderstorms
                    overnight.
Chance of pcpn......40 percent.
Min temperature.....Around 78.
Max humidity........91 percent.
Max apparent temp...96.
Surface winds (mph).South winds 6 to 10 mph decreasing to around 5
                    mph late in the evening.
Mixing height (m)...122-640 meters AGL.
Transport winds.....South 8 to 13 mph.
Transport winds m/s.South 4 to 6 meters/second.
CEILING (KFT).......5.8 increasing to 10 in the evening and
                    overnight.
Wind (20 ft)........South winds 5 to 8 mph in the evening becoming
                    light. Gusty and erratic winds expected near
                    thunderstorms early 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 (%).........82  68  60  64  68  63  59  54  55  55  56  55
Weather cov.....CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
Weather type....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........CHC CHC CHC CHC             SCH SCH SCH CHC CHC
Chc of pcpn (%).30  30  30  30  30  30  30  40  40  40  40  40
Temp............84  84  83  82  82  82  81  81  81  81  81  81
RH..............85  82  85  88  88  88  91  91  91  91  91  91
Aparnt tmp (F)..96  95  93  91  91  91  89  89  89  89  89  89
20 FT wind dir..SSW SSW SSW SSW S   S   S   S   S   SSW SSW SSW
20 FT wind spd..10  8   6   6   6   5   5   3   3   5   5   5
20 FT wind gust.15  12  8   8   8   7   7   5   5   7   7   7
Surface wnd dir.SSW SSW SSW SSW S   S   S   S   S   SSW SSW SSW
Surface wnd spd.10  8   6   6   6   5   5   3   3   5   5   5
Surface wnd gst.15  12  8   8   8   7   7   5   5   7   7   7
Mix hgt (km)....0.6 0.6 0.6 0.6 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
Transp wind dir.SSW SSW SSW SSW SSW SSW SSW S   S   S   SSW SSW
Transp wind spd.13  10  10  10  8   8   8   10  10  10  9   9
Trans wind dir..SSW SSW SSW SSW SSW SSW SSW S   S   S   SSW SSW
Trans spd (m/s).6   4   4   4   4   4   4   4   4   4   4   4
Ceiling (kft)...5.8 10  10  10  10  10  10  10

.SATURDAY...

Sky/weather.........Partly sunny (55-65 percent). Showers with
                    thunderstorms likely.
Chance of pcpn......80 percent.
Max temperature.....Around 91.
Min humidity........72 percent.
Max apparent temp...103.
Surface winds (mph).Southwest winds around 5 mph shifting to the
                    south 6 to 8 mph in the late morning and
                    afternoon.
Mixing height (m)...122-853 meters AGL.
Transport winds.....South 7 to 9 mph.
Transport winds m/s.Southwest 3 to 4 meters/second.
CEILING (KFT).......MISSING.
Wind (20 ft)........Light winds becoming south 5 to 7 mph in the
                    late morning and afternoon. 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  52  52  53  53  59  66  72  65  58  51  44
Weather cov.....CHC DEF DEF DEF DEF DEF DEF LKY LKY LKY LKY LKY
Weather type....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........CHC LKY LKY LKY LKY LKY LKY LKY LKY LKY LKY LKY
Chc of pcpn (%).40  80  80  80  80  80  80  60  60  60  60  60
Temp............81  81  83  85  87  88  88  88  88  87  87  87
RH..............94  94  88  85  80  75  75  72  72  75  75  75
Aparnt tmp (F)..90  90  94  99  103 103 103 102 102 100 100 100
20 FT wind dir..SSW SSW SSW SSW SSW SSW S   S   S   S   S   S
20 FT wind spd..5   5   5   6   6   7   7   8   8   8   8   8
20 FT wind gust.7   7   7   8   8   9   9   12  12  12  12  12
Surface wnd dir.SSW SSW SSW SSW SSW SSW S   S   S   S   S   S
Surface wnd spd.5   5   5   6   6   7   7   8   8   8   8   8
Surface wnd gst.7   7   7   8   8   9   9   12  12  12  12  12
Mix hgt (km)....0.1 0.2 0.2 0.2 0.8 0.8 0.8 0.8 0.8 0.8 0.9 0.9
Transp wind dir.SSW SSW SSW SSW SSW SSW SSW SSW SSW SSW SSW SSW
Transp wind spd.9   7   7   7   9   9   9   8   8   8   8   8
Trans wind dir..SSW SSW SSW SSW SSW SSW SSW SSW SSW SSW SSW SSW
Trans spd (m/s).4   3   3   3   4   4   4   4   4   4   4   4
Ceiling (kft)...

.FORECAST DAYS 3 THROUGH 5...
.SUNDAY...
Partly cloudy. Chance of showers and thunderstorms. Lows in the
upper 70s. Highs in the lower 90s. Light winds.
.MONDAY...
Mostly clear. Chance of showers and thunderstorms. Lows in the
upper 70s. Highs in the lower 90s. Light winds.
.TUESDAY...
Mostly clear. Chance of showers and thunderstorms. Lows in the
upper 70s. Highs in the lower 90s. Light winds.

$$
Forecaster...FRYE
Requested by...Brandi Todd
Type of request...HAZMAT
.TAG 2518189.0/LIX
.DELDT 07/17/25
.FormatterVersion 2.0.0
.EMAIL brandi.todd@noaa.gov