Alert archive / Florida / Small Craft Advisories in 2026
Small Craft Advisory 21, NWS Miami, FL
NWS Miami, FL issued this small craft advisory at May 4, 2026, 1:03 AM EDT. It took effect at May 4, 2026, 8:00 AM EDT. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- May 4, 2026, 1:03 AM EDT (05:03 UTC)
- In effect from
- May 4, 2026, 8:00 AM EDT
- Expired
- May 4, 2026, 8:00 PM EDT
- In force
- 12 hr
- Issued by
- NWS Miami, FL
The text
As transmitted.
671 WHUS72 KMFL 040503 MWWMFL URGENT - MARINE WEATHER MESSAGE National Weather Service Miami FL 103 AM EDT Mon May 4 2026 AMZ650-670-041200- /O.NEW.KMFL.SC.Y.0021.260504T1200Z-260504T2100Z/ Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM- Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM- 103 AM EDT Mon May 4 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 5 PM EDT THIS AFTERNOON... * WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt. * WHERE...Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM and Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM. * WHEN...From 8 AM this morning to 5 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
2 follow-up statements
589 WHUS72 KMFL 040807 MWWMFL URGENT - MARINE WEATHER MESSAGE National Weather Service Miami FL 407 AM EDT Mon May 4 2026 AMZ650-670-050000- /O.EXT.KMFL.SC.Y.0021.260504T1200Z-260505T0000Z/ Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM- Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM- 407 AM EDT Mon May 4 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and seas up to 7 ft. * WHERE...Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM and Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM. * WHEN...From 8 AM this morning to 8 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
791 WHUS72 KMFL 042359 MWWMFL URGENT - MARINE WEATHER MESSAGE National Weather Service Miami FL 759 PM EDT Mon May 4 2026 AMZ650-670-050100- /O.EXP.KMFL.SC.Y.0021.000000T0000Z-260505T0000Z/ Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM- Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM- 759 PM EDT Mon May 4 2026 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING... Winds and seas have fallen below advisory criteria, therefore the Small Craft Advisory will be allowed to expire at 8 PM. Small Craft should still exercise caution as east northeast winds continue to range between 15 and 20 kts this evening. $$
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 12:06 AM EDT | Special Marine Warning | MFL | 39 min | |
| May 4, 12:45 AM EDT | Rip Current Statement | MFL | Palm Beach | 43 hr |
| May 4, 1:11 AM EDT | Special Marine Warning | MFL | 34 min | |
| May 4, 1:44 AM EDT | Special Marine Warning | MFL | 46 min | |
| May 4, 3:32 PM EDT | Areal Flood Advisory | MFL | Broward | 58 min |
| May 4, 7:18 PM EDT | Special Marine Warning | MFL | 27 min |
Nearby
Small Craft Advisories in Florida, 2026Every small craft advisory in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.