Mississippi Sound GMZ532 Marine Forecast
| Tonight...Southeast Winds 5 To 10 Knots. Waves 1 Foot Or Less. Dominant Period 4 Seconds. |
| Friday...Southeast Winds 5 To 10 Knots. Waves 1 To 2 Feet. Dominant Period 4 Seconds. |
| Friday Night...Southeast Winds 5 To 10 Knots Becoming East After Midnight. Waves 1 Foot Or Less. Dominant Period 4 Seconds. |
| Saturday...Southeast Winds 5 To 10 Knots. Waves 1 To 2 Feet. Dominant Period 4 Seconds. Chance Of Sprinkles In The Afternoon. |
| Saturday Night...Southeast Winds 5 To 10 Knots Becoming Northeast After Midnight. Waves 1 To 2 Feet. Dominant Period 4 Seconds. Chance Of Sprinkles In The Evening, Then Chance Of Showers After Midnight. |
| Sunday...East Winds 5 To 10 Knots. Waves 1 To 2 Feet. Dominant Period 4 Seconds. Slight Chance Of Showers In The Morning. |
| Sunday Night...Southeast Winds 5 To 10 Knots. Waves 1 To 2 Feet. Dominant Period 4 Seconds. |
| Monday...Southeast Winds 10 To 15 Knots. Waves 1 To 2 Feet. Dominant Period 4 Seconds. Chance Of Showers Through The Day. Slight Chance Of Thunderstorms In The Afternoon. |
| Monday Night...South Winds 10 To 15 Knots. Waves 1 To 2 Feet. Dominant Period 4 Seconds. |
| Tuesday...South Winds 10 To 15 Knots. Waves 1 To 2 Feet. Slight Chance Of Showers And Thunderstorms In The Afternoon. |
| Tuesday Night...Southwest Winds 10 To 15 Knots. Waves 2 To 4 Feet. |
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Synopsis for Pascagoula to SW Pass Mississippi - GMZ501 Synopsis for SW Pass Mississippi River to Atchafalaya River- GMZ500 337 PM CDT Thu Apr 2 2020 High pressure will remain centered to the north and northeast of the water through the next 5 to 7 days. Weak frontal boundary will try to nudge in Saturday night but will quickly lift north Sunday. |
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Area Forecast Discussion National Weather Service New Orleans LA 631pm CDT Thu April 2 2020 SYNOPSIS... Latest surface analysis revealed a 1021mb high over Indiana with the ridge axis southwest across the Lower Mississippi Valley and north central Gulf and 1001mb low lee of the Rockies. Southeast to south winds were present over the Southern Plains and lighter southeast winds over Lower Mississippi Valley. Surface dewpoint ranged from the mid 40s from central Mississippi to the mid 50s to the Louisiana coast. Upper air analysis showed a cyclonic circulation off the northeast coast and another interior Rockies. In addition, ridge axis was present from northwest Gulf of Mexico to Wisconsin. In addition, a weak wave was located over central and east Texas. Upper level cyclonic will continue to rotate over the northern Rockies with the trough axis pushing east through Friday. The weak wave over Texas will weaken and push east over the Lower Mississippi Valley and forecast area. Mid layer and upper layer moisture will spread east across the forecast area on Friday. Isolated showers are possible across west zones, BTR, but will maintain 10 percent as coverage will be sparse. Upper level flow will flatten across the southern tier with the sub-tropical jet becoming a little active over Texas Friday and over the forecast area over the weekend. A cold front will approach the forecast area on Sunday. This front will stall to the north but allow low level moisture to increase across the Sunday. Going into the Monday, marginal instability will be in play for isolated thunderstorm activity with a good chance of rain Monday and this convection threat will continue through next week with better chance of convection across the north. Near normal temperatures will continue through the weekend with a warm up above normals next week. 18 AVIATION... VFR conditions are expected through Friday. A light southeast wind will persist. 18 Marine Discussion High pressure will slowly retreat east with winds becoming more established onshore through Friday and likely remaining either out of the southeast or south through much of the forecast. Winds should remain below 13 kts for much of the forecast with seas generally in the 2-3ft range. Will show seas to 4 feet at times due to persistent southerly or southeasterly winds possibly leading to a weak swell. DECISION SUPPORT... DSS code: Blue. Deployed: None. Activation: None. Activities: Forecast support for COVID-19 outdoor test sites. River Flood Warnings NOAA New Orleans LA Office: Watches - Warnings - Advisories LA...None. GM...None. MS...None. GM...None. |
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