⚠️ Storm Surge Watch – Lower Jefferson – Monday, August 31, 2026

Storm Surge Watch issued August 31 at 4:47PM CDT by NWS Lake Charles LA

Details

A Storm Surge Watch means life-threatening inundation, from rising
water moving inland from the coastline, is possible somewhere within
this area within the next 48 hours

* LOCATIONS AFFECTED
– Nederland
– Port Arthur
– Sabine Pass
– Sea Rim State Park

* WIND
– LATEST LOCAL FORECAST: Below tropical storm force wind
– Peak Wind Forecast: 20-30 mph with gusts to 40 mph

– THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECAST
UNCERTAINTY IN TRACK, SIZE AND INTENSITY: Potential for wind 39
to 57 mph
– The wind threat has remained nearly steady from the
previous assessment.
– PLAN: Plan for hazardous wind of equivalent tropical storm
force.
– PREPARE: Efforts to protect property should now be
underway. Prepare for limited wind damage.
– ACT: Act now to complete preparations before the wind
becomes hazardous.

– POTENTIAL IMPACTS: Limited
– Damage to porches, awnings, carports, sheds, and unanchored
mobile homes. Unsecured lightweight objects blown about.
– Many large tree limbs broken off. A few trees snapped or
uprooted, but with greater numbers in places where trees
are shallow rooted. Some fences and roadway signs blown
over.
– A few roads impassable from debris, particularly within
urban or heavily wooded places. Hazardous driving
conditions on bridges and other elevated roadways.
– Scattered power and communications outages.

* STORM SURGE
– LATEST LOCAL FORECAST: Life-threatening storm surge possible
– Peak Storm Surge Inundation: The potential for 2-4 feet
above ground somewhere within surge prone areas
– Window of concern: Tuesday morning until Wednesday morning

– THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECAST
UNCERTAINTY IN TRACK, SIZE AND INTENSITY: Potential for storm
surge flooding greater than 3 feet above ground
– The storm surge threat has remained nearly steady from the
previous assessment.
– PLAN: Plan for life-threatening storm surge flooding of
greater than 3 feet above ground.
– PREPARE: Evacuation efforts and flood preparations should
soon be brought to completion before conditions become
unsafe.
– ACT: Leave immediately if evacuation orders are given for
your area to avoid being cut off from emergency services or
needlessly risk lives.

– POTENTIAL IMPACTS: Significant
– Areas of inundation with storm surge flooding accentuated
by waves. Damage to several buildings, mainly near the
coast.
– Sections of near-shore escape routes and secondary roads
become weakened or washed out, especially in usually
vulnerable low spots.
– Major beach erosion with heavy surf breaching dunes. Strong
and numerous rip currents.
– Moderate damage to marinas, docks, boardwalks, and piers.
Several small craft broken away from moorings, especially
in unprotected anchorages.

* FLOODING RAIN
– LATEST LOCAL FORECAST: Flood Watch is in effect
– Peak Rainfall Amounts: Additional 2-4 inches, with locally
higher amounts

– THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECAST
UNCERTAINTY IN TRACK, SIZE AND INTENSITY: Potential for
moderate flooding rain
– The flooding rain threat has remained nearly steady from
the previous assessment.
– PLAN: Emergency plans should include the potential for
moderate flooding from heavy rain. Evacuations and rescues
are possible.
– PREPARE: Consider protective actions if you are in an area
vulnerable to flooding.
– ACT: Heed any flood watches and warnings. Failure to take
action may result in serious injury or loss of life.

– POTENTIAL IMPACTS: Significant
– Moderate rainfall flooding may prompt several evacuations
and rescues.
– Rivers and tributaries may quickly become swollen with
swifter currents and overspill their banks in a few places,
especially in usually vulnerable spots. Small streams,
creeks, canals, and ditches overflow.
– Flood waters can enter some structures or weaken
foundations. Several places may experience expanded areas
of rapid inundation at underpasses, low-lying spots, and
poor drainage areas. Some streets and parking lots take on
moving water as storm drains and retention ponds overflow.
Driving conditions become hazardous. Some road and bridge
closures.

* TORNADO
– LATEST LOCAL FORECAST:
– Situation is unfavorable for tornadoes

– THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECAST
UNCERTAINTY IN TRACK, SIZE AND INTENSITY: Tornadoes not expected
– The tornado threat has remained nearly steady from the
previous assessment.
– PLAN: Tornadoes are not expected. Showers and thunderstorms
with gusty winds may still occur.
– PREPARE: Little to no preparations needed to protect
against tornadoes at this time. Keep informed of the latest
tornado situation.
– ACT: Listen for changes in the forecast.

– POTENTIAL IMPACTS: Little to None
– Little to no potential impacts from tornadoes.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.