Special Marine Warning Issued for Biscayne Bay and Florida Coastal Waters

Source: NOAA · Southeast Florida Coastal Waters

This alert is no longer in effect.

NOAA issued it on April 9, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).

Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.

A Special Marine Warning is in effect for Biscayne Bay and surrounding coastal waters until 9:15 PM EDT, with wind gusts up to nearly 50 knots expected from a moving shower.

Read this weather record in 30 seconds

Record type
Special Marine Warning
Affected area
Southeast Florida Coastal Waters
Issued
April 9, 2026
Issuing authority
NWS Miami FL

Marine notices apply to named waters or shoreline zones. They may not describe conditions on land, even when the nearest place name is the same.

Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Southeast Florida Coastal Waters.

Special Marine Warning for Florida Coastal Waters

Alert Details

A Special Marine Warning has been issued by the National Weather Service (NWS) Miami FL. It is effective from 8:15 PM EDT on April 8, 2026, until 9:15 PM EDT on the same day.

Affected Areas

The warning affects Biscayne Bay; Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM; Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM; and Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM. Specific locations impacted include Lauderdale-By-The-Sea, Key Biscayne, Hallandale, Biscayne Bay, Lighthouse Point, Black Point, Bay Harbor Islands, Port Everglades, Highland Beach, Golden Beach, Surfside, Coral Gables, Indian Creek, Sunny Isles, Fort Lauderdale, Pompano Beach, Hillsboro Beach, Cape Florida, Virginia Key, and Soldier Key.

What You Should Do

Move to safe harbor immediately as gusty winds and high waves are expected. Report severe weather to the Coast Guard or the National Weather Service; you can also share reports with NWS Miami on Facebook and Twitter.

Expected Conditions

Wind gusts to nearly 50 knots are anticipated. A shower is located over Surfside, moving south at 20 knots.

Timeline

The alert is effective from 8:15 PM EDT on April 8, 2026, and expires at 9:15 PM EDT on April 8, 2026.

Original source: NOAA Official Notice ↗

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Nationwide notices with similar length or severity timing 8

Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
A Special Marine Warning is in effect for Biscayne Bay and surrounding coastal waters until 9:15 PM EDT, with wind gusts up to nearly 50 knots expected from a moving shower.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Southeast Florida Coastal Waters. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.