Marine Weather and Tide Forecast for Grenada, MS

DISCUSSION
Issued at 405 AM CDT Tue May 13 2025

Today and Tonight...The mid/upper level low pressure system responsible for the rain and storms across the forecast area the past few days, will lift northeast of the region through tonight.
Before it exits, this weakness will again result in scattered to numerous showers, along with a few thunderstorms, mainly across the Golden Triangle area this afternoon. Gusty winds and hail will be possible with the most intense storms. This activity will dissipate in the late afternoon, as heating wanes and the low lifts further northeast and out of the region. Otherwise, look for highs Tuesday afternoon from the upper 70s to middle 80s, with lows tonight from the middle 60s to around 70 under mostly clear skies. /19/

Wednesday through Monday...Quiet weather conditions will occur across our forecast area Wednesday through Thursday thanks to ridging aloft and high pressure at the surface across the southeast region. Temperatures will also increase around the Wednesday/Thursday timeframe with afternoon highs forecasted in the upper 80s/lower 90s areawide. Global guidance does show the ridge axis flattening on Friday, with quasi- zonal flow prevailing across the CWA through the weekend. With this qusai-zonal flow expected across the region heading into Friday, an unstable airmass will begin to move into the region. This airmass, combined with a couple of upper-level disturbances aloft and some northerly moisture flow from the Tennessee Valley, will allow for rain/storm chances across central/northern portions of our CWA around the Friday through Sunday evening timeframe. A few strong storms with wind gusts up to 40 mph cannot be ruled out. This event is still several days away. Forecast confidence remains low at this point and trends will continue to be monitored as we get closer.

Rain chances will begin to decrease Sunday night into the new work week as a sfc ridge builds over the southeast CONUS. Quiet conditions will continue across much of our forecast area with a slight chance of scattered showers across portions of the Golden Triangle heading into Monday afternoon. Quiet weather conditions will occur across the area looking ahead into Tuesday as future global guidance shows the ridge axis beginning to slowly push east away from our forecast area. /CR/

AVIATION
(18Z TAFS)
Issued at 1238 PM CDT Tue May 13 2025

VFR conditions will prevail through the TAF period. Winds will shift this evening to be more southerly. By 15z areas of fog/low stratus will be possible at southern TAF sites. Additionally winds will increase tomorrow morning with gust generally less than 25MPH.

PRELIMINARY POINT TEMPS/POPS
Jackson 66 89 68 91 / 10 0 0 0 Meridian 63 88 65 91 / 0 0 0 0 Vicksburg 68 89 69 91 / 10 0 0 0 Hattiesburg 66 90 69 93 / 0 0 0 0 Natchez 68 88 69 90 / 0 0 0 0 Greenville 69 89 70 90 / 10 0 0 0 Greenwood 67 88 69 90 / 10 0 0 0

JAN WATCHES/WARNINGS/ADVISORIES
MS...None.
LA...None.
AR...None.