Alert archive / Florida / Small Craft Advisories in 2020
Small Craft Advisory 21, NWS Miami, FL
NWS Miami, FL issued this small craft advisory at Apr 19, 2020, 7:30 PM EDT. It took effect at Apr 20, 2020, 4:00 AM EDT. It was in force for 16 hr.
The area
The counties it named.
The facts
- Issued
- Apr 19, 2020, 7:30 PM EDT (23:30 UTC)
- In effect from
- Apr 20, 2020, 4:00 AM EDT
- Expired
- Apr 20, 2020, 8:00 PM EDT
- In force
- 16 hr
- Issued by
- NWS Miami, FL
The text
As transmitted.
173 WHUS72 KMFL 192330 MWWMFL URGENT - MARINE WEATHER MESSAGE National Weather Service Miami FL 730 PM EDT Sun Apr 19 2020 AMZ670-671-201730- /O.NEW.KMFL.SC.Y.0021.200420T0800Z-200421T0000Z/ Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM- Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM excluding the territorial waters of Bahamas- 730 PM EDT Sun Apr 19 2020 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM TO 8 PM EDT MONDAY... * WHAT...Southwest winds 15 to 20 kt with gusts up to 30 kt and seas 1 to 4 feet expected. * WHERE...Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM and Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM excluding the territorial waters of Bahamas. * WHEN...From 4 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. A sudden onset of rough seas may cause hazardous conditions, which may occur suddenly at jetties and inlets. These conditions could catch boaters by surprise. Boaters should use caution when entering or exiting the inlets and jetty areas. && $$
5 follow-up statements
972 WHUS72 KMFL 200632 MWWMFL URGENT - MARINE WEATHER MESSAGE National Weather Service Miami FL 232 AM EDT Mon Apr 20 2020 AMZ610-210000- /O.EXB.KMFL.SC.Y.0021.200420T1500Z-200421T0000Z/ Lake Okeechobee- 232 AM EDT Mon Apr 20 2020 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Southwest winds around 20 kt with gusts up to 30 kt and seas 1 to 4 feet expected. * WHERE...Lake Okeechobee. * WHEN...From 11 AM this morning to 8 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. A sudden onset of rough seas may cause hazardous conditions, which may occur suddenly at jetties and inlets. These conditions could catch boaters by surprise. Boaters should use caution when entering or exiting the inlets and jetty areas. && $$ AMZ650-651-210000- /O.EXA.KMFL.SC.Y.0021.200420T0800Z-200421T0000Z/ Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM- Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM- 232 AM EDT Mon Apr 20 2020 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Southwest winds around 20 kt with gusts up to 30 kt and seas 2 to 4 feet expected. * WHERE...Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM and Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM. * WHEN...Through 8 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS... PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. A sudden onset of rough seas may cause hazardous conditions, which may occur suddenly at jetties and inlets. These conditions could catch boaters by surprise. Boaters should use caution when entering or exiting the inlets and jetty areas. && $$ AMZ670-671-210000- /O.CON.KMFL.SC.Y.0021.200420T0800Z-200421T0000Z/ Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM- Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM excluding the territorial waters of Bahamas- 232 AM EDT Mon Apr 20 2020 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Southwest winds around 20 kt with gusts up to 30 kt and seas 2 to 4 feet expected. * WHERE...Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM and Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM excluding the territorial waters of Bahamas. * WHEN...Through 8 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. A sudden onset of rough seas may cause hazardous conditions, which may occur suddenly at jetties and inlets. These conditions could catch boaters by surprise. Boaters should use caution when entering or exiting the inlets and jetty areas. && $$ Frye
533 WHUS72 KMFL 201325 MWWMFL URGENT - MARINE WEATHER MESSAGE National Weather Service Miami FL 925 AM EDT Mon Apr 20 2020 AMZ630-202130- /O.EXA.KMFL.SC.Y.0021.000000T0000Z-200421T0000Z/ Biscayne Bay- 925 AM EDT Mon Apr 20 2020 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... The National Weather Service in Miami has issued a Small Craft Advisory, which is in effect until 8 PM EDT this evening. * Winds and Seas...Southwest winds 15 to 20 kt with gusts up to 25 kt. Choppy waters. * WHAT...Southwest winds around 20 kt with gusts up to 30 kt and choppy waters expected. * WHERE...Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM and Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM excluding the territorial waters of Bahamas. * WHEN...Through 8 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots, and/or seas 7 feet or greater, are expected to produce hazardous marine conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. A sudden onset of rough seas may cause hazardous conditions, which may occur suddenly at jetties and inlets. These conditions could catch boaters by surprise. Boaters should use cautions when entering or exiting the inlets and jetty areas. && $$ AMZ610-202130- /O.EXT.KMFL.SC.Y.0021.200420T1325Z-200421T0000Z/ Lake Okeechobee- 925 AM EDT Mon Apr 20 2020 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Southwest winds around 20 kt with gusts up to 30 kt and choppy waters. * WHERE...Lake Okeechobee. * WHEN...From 11 AM this morning to 8 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. A sudden onset of rough seas may cause hazardous conditions, which may occur suddenly at jetties and inlets. These conditions could catch boaters by surprise. Boaters should use caution when entering or exiting the inlets and jetty areas. && $$ AMZ650-651-670-671-202130- /O.CON.KMFL.SC.Y.0021.000000T0000Z-200421T0000Z/ Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM- Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM- Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM- Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM excluding the territorial waters of Bahamas- 925 AM EDT Mon Apr 20 2020 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Southwest winds around 20 kt with gusts up to 30 kt and seas 2 to 4 feet expected. * WHERE...Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM and Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM. * WHEN...Through 8 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS... PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. A sudden onset of rough seas may cause hazardous conditions, which may occur suddenly at jetties and inlets. These conditions could catch boaters by surprise. Boaters should use caution when entering or exiting the inlets and jetty areas. && $$ https://www.weather.gov/miami
179 WHUS72 KMFL 201900 MWWMFL URGENT - MARINE WEATHER MESSAGE National Weather Service Miami FL 300 PM EDT Mon Apr 20 2020 AMZ610-630-650-651-670-671-210000- /O.CON.KMFL.SC.Y.0021.000000T0000Z-200421T0000Z/ Lake Okeechobee-Biscayne Bay- Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM- Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM- Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM- Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM excluding the territorial waters of Bahamas- 300 PM EDT Mon Apr 20 2020 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Southwest winds around 20 kt with gusts up to 30 kt and seas 2 to 4 feet expected. * WHERE...Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM and Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM. * WHEN...Through 8 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS... PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. A sudden onset of rough seas may cause hazardous conditions, which may occur suddenly at jetties and inlets. These conditions could catch boaters by surprise. Boaters should use caution when entering or exiting the inlets and jetty areas. && $$ https://www.weather.gov/miami
579 WHUS72 KMFL 201901 MWWMFL URGENT - MARINE WEATHER MESSAGE National Weather Service Miami FL 301 PM EDT Mon Apr 20 2020 GMZ657-210000- /O.EXA.KMFL.SC.Y.0021.000000T0000Z-200421T0000Z/ Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM- 301 PM EDT Mon Apr 20 2020 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... The National Weather Service in Miami has issued a Small Craft Advisory, which is in effect until 8 PM EDT this evening. * Winds and Seas...Southwest winds 10 to 15 kt with gusts up to 25 kt. Seas 1 to 3 feet. * WHAT...Southwest winds around 20 kt with gusts up to 30 kt and seas 2 to 4 feet expected. * WHERE...Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM and Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM. * WHEN...Through 8 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS... PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots, and/or seas 7 feet or greater, are expected to produce hazardous marine conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. A sudden onset of rough seas may cause hazardous conditions, which may occur suddenly at jetties and inlets. These conditions could catch boaters by surprise. Boaters should use cautions when entering or exiting the inlets and jetty areas. && $$ AMZ610-630-650-651-670-671-210000- /O.CON.KMFL.SC.Y.0021.000000T0000Z-200421T0000Z/ Lake Okeechobee-Biscayne Bay- Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM- Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM- Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM- Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM excluding the territorial waters of Bahamas- 301 PM EDT Mon Apr 20 2020 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Southwest winds around 20 kt with gusts up to 30 kt and seas 2 to 4 feet expected. * WHERE...Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM and Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM. * WHEN...Through 8 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS... PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. A sudden onset of rough seas may cause hazardous conditions, which may occur suddenly at jetties and inlets. These conditions could catch boaters by surprise. Boaters should use caution when entering or exiting the inlets and jetty areas. && $$ https://www.weather.gov/miami
838 WHUS72 KMFL 202359 MWWMFL URGENT - MARINE WEATHER MESSAGE National Weather Service Miami FL 759 PM EDT Mon Apr 20 2020 AMZ610-630-650-651-670-671-GMZ657-210100- /O.EXP.KMFL.SC.Y.0021.000000T0000Z-200421T0000Z/ Lake Okeechobee-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- Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM- Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM excluding the territorial waters of Bahamas- Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM- 759 PM EDT Mon Apr 20 2020 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING... Winds have decreased below Small Craft Advisory thresholds, therefore the advisory will expire at 8pm EDT. Mariners are still urged to exercise caution as winds will remain elevated overnight. $$
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 5:31 PM EDT | Special Weather Statement | MFL | Palm Beach | 44 min |
| Apr 19, 6:24 PM EDT | Special Weather Statement | MFL | Martin | 51 min |
Nearby
Small Craft Advisories in Florida, 2020Every small craft advisory in 2020
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.