Preview of NWS' New Point Forecast Icons
Effective July 7, 2015, NWS will implement changes to the icons depicted on all of its Point Forecast pages. Highlights will include new icons with increased clarity, 6-hour increments for rapidly changing weather and new color blocks to highlight forecast hazards.

You may preview these updates in real time for this location. View additional details, and send any comments to icons@noaa.gov.

Please note the preview site is not operational, so performance may be slow during periods of peak access.

Severe weather possible for parts of eastern, north-central and southwestern U.S.

The NWS Storm Prediction Center is forecasting a risk of severe thunderstorms Tuesday afternoon across a large portion of the eastern U.S. from the Mid-Atlantic & Ohio Valley into the Deep South. Severe thunderstorms are also possible across parts of the northern Plains & southern Ariz. Damaging wind gusts & large hail will be the main threats with severe thunderstorms that develop in these areas.
Read More...

Hazardous Weather Conditions

Last Update: 920 AM CDT TUE JUN 30 2015

View Nearby Observations

For More Weather Information:

Brownsville, TX Local Forecast Office

10NM N Port Isabel TX

Marine Zone Forecast

SEAS ARE PROVIDED AS A RANGE OF THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES...ALONG WITH THE OCCASIONAL HEIGHT OF THE AVERAGE HIGHEST 10 PERCENT OF THE WAVES

Synopsis: BROAD HIGH PRESSURE ACROSS THE GULF OF MEXICO WILL PROVIDE A MODERATE ONSHORE FLOW AND SLIGHTLY ELEVATED SEAS TODAY INTO WEDNESDAY. SHOWER AND THUNDERSTORM ACTIVITY WILL REDUCE THE VISIBILITY AND PRODUCE VERY HEAVY DOWNPOURS ALONG THE COAST WITH OCCASIONAL CLOUD TO GROUND LIGHTNING. THIS LINE OF CONVECTION HAS THE POTENTIAL TO PRODUCE GUSTY WINDS 20 TO 25 KNOTS ALONG THE GULF...THEREFORE...SMALL CRAFT SHOULD EXERCISE CAUTION THROUGH THE DAY OVER THE GULF WATERS. AS HIGH PRESSURE BUILDS ACROSS THE GULF OF MEXICO BY THE MIDDLE OF THE WEEK ALLOWING SOUTHEAST WINDS TO INCREASE AND SEAS TO BUILD THROUGH THE REST OF THE WEEK. MARGINAL SMALL CRAFT ADVISORY CONDITIONS ARE POSSIBLE WEDNESDAY THROUGH SATURDAY. SHOWERS AND THUNDERSTORMS WILL BECOME MORE WIDESPREAD AND MAY BECOME NUMEROUS THROUGH WEDNESDAY AS WELL AS SATURDAY.

Rest Of Today
Southeast winds 9 to 14 knots increasing to 12 to 16 knots in the afternoon. A moderate chop on the bay. Chance of showers and thunderstorms early in the morning...then slight chance of showers and thunderstorms in the afternoon.
Tonight
Southeast winds 11 to 14 knots diminishing to 7 to 12 knots in the late evening and overnight. A moderate chop on the bay subsiding to a light chop in the late evening and overnight. Slight chance of showers and thunderstorms in the evening...then chance of showers and thunderstorms after midnight.
Wednesday
Southeast winds 7 to 12 knots increasing to 10 to 15 knots in the late morning and afternoon. A light chop on the bay increasing to a moderate chop in the late morning and afternoon. Chance of showers and thunderstorms in the morning... Then slight chance of showers and thunderstorms in the afternoon.
Wednesday Night
Southeast winds 9 to 14 knots. A moderate chop on the bay. Slight chance of showers and thunderstorms.
Thursday
Southeast winds 10 to 15 knots increasing to 13 to 18 knots in the late morning and afternoon. A moderate chop on the bay increasing to choppy in the late morning and afternoon. Chance of showers and thunderstorms.
Thursday Night
Southeast winds 12 to 17 knots diminishing to 10 to 14 knots early in the morning. A moderate chop on the bay.
Friday
Southeast winds 11 to 16 knots. A moderate chop on the bay. Slight chance of showers and thunderstorms.
Saturday
Southeast winds 11 to 16 knots. A moderate chop on the bay. Chance of showers and thunderstorms.
  Click Map For Detailed Forecast

ABOUT THIS FORECAST

Last Update: 920 AM CDT TUE JUN 30 2015
  Forecast Discussion
  Get as KML  Get as XML

RADAR & SATELLITE IMAGES

Link to Local Radar Data Link to Satellite Data