Alert archive / Massachusetts / Small Craft Advisories in 2021
Small Craft Advisory 73, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this small craft advisory at Aug 18, 2021, 4:36 PM EDT. It took effect at Aug 19, 2021, 11:00 AM EDT. It was in force for 25 hr.
The area
The counties it named.
The facts
- Issued
- Aug 18, 2021, 4:36 PM EDT (20:36 UTC)
- In effect from
- Aug 19, 2021, 11:00 AM EDT
- Expired
- Aug 20, 2021, 11:54 AM EDT
- In force
- 25 hr
- Issued by
- NWS Boston/Norton, MA
The text
As transmitted.
031 WHUS71 KBOX 182036 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 436 PM EDT Wed Aug 18 2021 ANZ255-256-190945- /O.NEW.KBOX.SC.Y.0073.210819T2200Z-210820T1100Z/ Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 436 PM EDT Wed Aug 18 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THURSDAY TO 7 AM EDT FRIDAY... * WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and seas 3 to 5 feet expected. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...From 6 PM Thursday to 7 AM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
4 follow-up statements
237 WHUS71 KBOX 190641 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 241 AM EDT Thu Aug 19 2021 ANZ232-192000- /O.EXB.KBOX.SC.Y.0073.210819T1500Z-210820T0800Z/ Nantucket Sound- 241 AM EDT Thu Aug 19 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 4 AM EDT FRIDAY... * WHAT...South winds 15 to 20 kt with gusts up to 25 kt and seas 2 to 4 feet expected. * WHERE...Nantucket Sound. * WHEN...From 11 AM this morning to 4 AM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ233>235-192000- /O.EXB.KBOX.SC.Y.0073.210819T1500Z-210820T0500Z/ Vineyard Sound-Buzzards Bay-Rhode Island Sound- 241 AM EDT Thu Aug 19 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 1 AM EDT FRIDAY... * WHAT...South winds 15 to 20 kt with gusts up to 25 kt and seas 3 to 5 feet expected. * WHERE...In Massachusetts coastal waters, Vineyard Sound and Buzzards Bay. In Rhode Island coastal waters, Rhode Island Sound. * WHEN...From 11 AM this morning to 1 AM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ236-237-192000- /O.EXB.KBOX.SC.Y.0073.210819T1500Z-210820T0100Z/ Narragansett Bay-Block Island Sound- 241 AM EDT Thu Aug 19 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 9 PM EDT THIS EVENING... * WHAT...South winds around 15 kt with gusts up to 25 kt and seas 3 to 5 feet expected. * WHERE...Narragansett Bay and Block Island Sound. * WHEN...From 11 AM this morning to 9 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ254-192000- /O.EXB.KBOX.SC.Y.0073.210819T2200Z-210820T1800Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 241 AM EDT Thu Aug 19 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 2 PM EDT FRIDAY... * WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and seas 4 to 6 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm. * WHEN...From 6 PM this evening to 2 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ250-192000- /O.EXB.KBOX.SC.Y.0073.210820T0100Z-210820T0800Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 241 AM EDT Thu Aug 19 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 4 AM EDT FRIDAY... * WHAT...South winds 15 to 20 kt with gusts up to 25 kt and seas 3 to 5 feet expected. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. * WHEN...From 9 PM this evening to 4 AM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ255-256-192000- /O.EXT.KBOX.SC.Y.0073.210819T1500Z-210820T1800Z/ Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 241 AM EDT Thu Aug 19 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 11 AM THIS MORNING TO 2 PM EDT FRIDAY... * WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and seas 4 to 6 feet expected. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...From 11 AM this morning to 2 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
158 WHUS71 KBOX 191927 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 327 PM EDT Thu Aug 19 2021 ANZ236-192030- /O.CAN.KBOX.SC.Y.0073.000000T0000Z-210820T0100Z/ Narragansett Bay- 327 PM EDT Thu Aug 19 2021 ...SMALL CRAFT ADVISORY IS CANCELLED... $$ ANZ250-192030- /O.CAN.KBOX.SC.Y.0073.210820T0100Z-210820T0800Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 327 PM EDT Thu Aug 19 2021 ...SMALL CRAFT ADVISORY IS CANCELLED... $$ ANZ235-237-200800- /O.EXT.KBOX.SC.Y.0073.000000T0000Z-210820T0800Z/ Rhode Island Sound-Block Island Sound- 327 PM EDT Thu Aug 19 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM EDT FRIDAY... * WHAT...Southwest winds 15 to 20 kt with gusts up to 25 kt and seas 3 to 5 feet. * WHERE...Block Island Sound and Rhode Island Sound. * WHEN...Until 4 AM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ233-234-200800- /O.EXT.KBOX.SC.Y.0073.000000T0000Z-210820T0800Z/ Vineyard Sound-Buzzards Bay- 327 PM EDT Thu Aug 19 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM EDT FRIDAY... * WHAT...Southwest winds 15 to 20 kt with gusts up to 25 kt and seas 2 to 4 feet. * WHERE...Vineyard Sound and Buzzards Bay. * WHEN...Until 4 AM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ255-256-200830- /O.CON.KBOX.SC.Y.0073.000000T0000Z-210820T1800Z/ Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 327 PM EDT Thu Aug 19 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT FRIDAY... * WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and seas 4 to 6 feet. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...Until 2 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ254-200830- /O.CON.KBOX.SC.Y.0073.210819T2200Z-210820T1800Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 327 PM EDT Thu Aug 19 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT FRIDAY... * WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and seas 4 to 6 feet expected. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm. * WHEN...Until 2 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ232-200800- /O.CON.KBOX.SC.Y.0073.000000T0000Z-210820T0800Z/ Nantucket Sound- 327 PM EDT Thu Aug 19 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT FRIDAY... * WHAT...South winds 15 to 20 kt with gusts up to 25 kt and seas 2 to 4 feet. * WHERE...Nantucket Sound. * WHEN...Until 4 AM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
835 WHUS71 KBOX 200752 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 352 AM EDT Fri Aug 20 2021 ANZ235-237-200900- /O.EXP.KBOX.SC.Y.0073.000000T0000Z-210820T0800Z/ Rhode Island Sound-Block Island Sound- 352 AM EDT Fri Aug 20 2021 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 4 AM EDT EARLY THIS MORNING... Seas will continue to diminish today. Southwest winds less than 20 kt. $$ ANZ232>234-200900- /O.EXP.KBOX.SC.Y.0073.000000T0000Z-210820T0800Z/ Nantucket Sound-Vineyard Sound-Buzzards Bay- 352 AM EDT Fri Aug 20 2021 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 4 AM EDT EARLY THIS MORNING... Seas will continue to diminish today. Southwest winds less than 20 kt. $$ ANZ255-256-201800- /O.CON.KBOX.SC.Y.0073.000000T0000Z-210820T1800Z/ Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 352 AM EDT Fri Aug 20 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...Southwest winds 10 to 15 kt and seas 4 to 6 feet. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...Until 2 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. && $$ ANZ254-201800- /O.CON.KBOX.SC.Y.0073.000000T0000Z-210820T1800Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 352 AM EDT Fri Aug 20 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and seas 4 to 6 feet. * WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm. * WHEN...Until 2 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
345 WHUS71 KBOX 201554 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 1154 AM EDT Fri Aug 20 2021 ANZ254>256-210500- /O.CAN.KBOX.SC.Y.0073.000000T0000Z-210820T1800Z/ /O.NEW.KBOX.HU.A.1008.210820T1554Z-000000T0000Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1154 AM EDT Fri Aug 20 2021 ...HURRICANE WATCH IN EFFECT... * WHAT...Southwest winds 40 to 50 kt with gusts up to 70 kt and seas 7 to 10 feet. * WHERE...In Massachusetts coastal waters, Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm and Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...From early Sunday morning until Monday morning. * IMPACTS...Extremely strong winds will cause hazardous seas which will likely capsize or damage vessels and severely reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for extreme conditions before conditions deteriorate further. && $$ ANZ231>237-210500- /O.NEW.KBOX.HU.A.1008.210820T1554Z-000000T0000Z/ Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay- Rhode Island Sound-Narragansett Bay-Block Island Sound- 1154 AM EDT Fri Aug 20 2021 ...HURRICANE WATCH IN EFFECT... * WHAT...South winds 30 to 50 kt with gusts up to 75 kt and seas 5 to 8 feet. * WHERE...Portions of Massachusetts coastal waters and Rhode Island coastal waters. * WHEN...From early Sunday morning until Monday morning. * IMPACTS...Extremely strong winds will cause hazardous seas which will likely capsize or damage vessels and severely reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for extreme conditions before conditions deteriorate further. && $$
Nearby
Small Craft Advisories in Massachusetts, 2021Every small craft advisory in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.