Weather Alert WatchOfficial-source alert index
NWS feedSource freshLast successful check:
Ended official alertUpdated

Special Marine Warning for Coastal waters from Okaloosa-Walton County Line to Mexico Beach out 20 NM; Coastal Waters from Mexico Beach to Apalachicola out 20 NM

This alert has ended.Kept for recent context. Do not use it as a current warning.

Official alert fields

What you need to know

Effective
Ended
Official severity
Severe
Official urgency
Immediate
Official certainty
Likely

What is happening

For the following areas... Coastal Waters from Mexico Beach to Apalachicola out 20 NM... Coastal waters from Okaloosa-Walton County Line to Mexico Beach out 20 NM... At 729 AM CDT, severe thunderstorms capable of producing waterspouts were located along a line extending from 17 nm southwest of Port St. Joe to 13 nm...

What the bulletin says to do

Move to safe harbor immediately as gusty winds and high waves are expected. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately. Frequent lightning is occurring with these storms. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects.

Read official NWS bulletin

Full official description

Bulletin details

For the following areas... Coastal Waters from Mexico Beach to Apalachicola out 20 NM... Coastal waters from Okaloosa-Walton County Line to Mexico Beach out 20 NM... At 729 AM CDT, severe thunderstorms capable of producing waterspouts were located along a line extending from 17 nm southwest of Port St. Joe to 13 nm northwest of Empire Mica Wreck, moving northeast at 15 knots. HAZARD...Waterspouts and wind gusts 34 knots or greater. SOURCE...Radar indicated. IMPACT...Waterspouts can quickly form and capsize boats...damage vessels...and create suddenly higher waves. Make sure all on board are in a secure location and wearing life jackets. Expect wind gusts in excess of 34 knots...suddenly higher waves...frequent lightning...and heavy downpours. Make sure all on board are wearing life jackets. Severe thunderstorms will remain over mainly open waters.

Lifecycle record

Official revisions

2 captured
  1. Update

    Special Marine Warning issued August 29 at 7:29AM CDT until August 29 at 8:15AM CDT by NWS Tallahassee FL

    Official revision
  2. Alert

    Special Marine Warning issued August 29 at 6:19AM CDT until August 29 at 8:15AM CDT by NWS Tallahassee FL

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Tallahassee FL. This page reorganizes official fields and does not add a forecast or expand the affected area.

CAP status
Actual
Message type
Update
Last collected
Methodology and corrections