Alert archive / Massachusetts / Small Craft Advisories in 2021
Small Craft Advisory 41, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this small craft advisory at Apr 20, 2021, 4:09 AM EDT. It took effect at Apr 20, 2021, 1:00 PM EDT. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Apr 20, 2021, 4:09 AM EDT (08:09 UTC)
- In effect from
- Apr 20, 2021, 1:00 PM EDT
- Expired
- Apr 20, 2021, 3:33 PM EDT
- In force
- 3 hr
- Issued by
- NWS Boston/Norton, MA
The text
As transmitted.
452 WHUS71 KBOX 200809 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 409 AM EDT Tue Apr 20 2021 ANZ230-202115- /O.NEW.KBOX.SC.Y.0041.210420T1700Z-210421T0000Z/ /O.NEW.KBOX.GL.A.0015.210422T1000Z-210423T0000Z/ Boston Harbor- 409 AM EDT Tue Apr 20 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EDT THIS EVENING... ...GALE WATCH IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING... * WHAT...For the Small Craft Advisory, southwest winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 2 feet expected. For the Gale Watch, west winds 20 to 25 kt with gusts up to 35 kt and waves around 2 feet possible. * WHERE...Boston Harbor. * WHEN...For the Small Craft Advisory, from 1 PM this afternoon to 8 PM EDT this evening. For the Gale Watch, from Thursday morning through Thursday evening. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ236-202115- /O.NEW.KBOX.SC.Y.0041.210420T1700Z-210421T0000Z/ /O.NEW.KBOX.GL.A.0015.210422T1000Z-210423T0000Z/ Narragansett Bay- 409 AM EDT Tue Apr 20 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EDT THIS EVENING... ...GALE WATCH IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING... * WHAT...For the Small Craft Advisory, southwest winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 2 feet expected. For the Gale Watch, west winds 20 to 25 kt with gusts up to 35 kt and waves around 3 feet possible. * WHERE...Narragansett Bay. * WHEN...For the Small Craft Advisory, from 1 PM this afternoon to 8 PM EDT this evening. For the Gale Watch, from Thursday morning through Thursday evening. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ ANZ232>234-202115- /O.NEW.KBOX.SC.Y.0041.210420T1700Z-210421T0000Z/ /O.NEW.KBOX.GL.A.0015.210422T0800Z-210423T0000Z/ Nantucket Sound-Vineyard Sound-Buzzards Bay- 409 AM EDT Tue Apr 20 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EDT THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH THURSDAY EVENING... * WHAT...For the Small Craft Advisory, southwest winds 15 to 20 kt with gusts up to 25 kt and seas 2 to 3 feet expected. For the Gale Watch, west winds 25 to 30 kt with gusts up to 35 kt and seas 4 to 7 feet possible. * WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...For the Small Craft Advisory, from 1 PM this afternoon to 8 PM EDT this evening. For the Gale Watch, from late Wednesday night through Thursday evening. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ ANZ235-237-202115- /O.NEW.KBOX.SC.Y.0041.210420T1700Z-210421T0000Z/ /O.NEW.KBOX.GL.A.0015.210422T0800Z-210423T0000Z/ Rhode Island Sound-Block Island Sound- 409 AM EDT Tue Apr 20 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EDT THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH THURSDAY EVENING... * WHAT...For the Small Craft Advisory, southwest winds 15 to 20 kt with gusts up to 25 kt and seas 2 to 4 feet expected. For the Gale Watch, west winds 20 to 30 kt with gusts up to 35 kt and seas 5 to 8 feet possible. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...For the Small Craft Advisory, from 1 PM this afternoon to 8 PM EDT this evening. For the Gale Watch, from late Wednesday night through Thursday evening. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ256-202115- /O.NEW.KBOX.SC.Y.0041.210420T1700Z-210421T0000Z/ /O.NEW.KBOX.GL.A.0015.210422T0600Z-210423T0000Z/ Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 409 AM EDT Tue Apr 20 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EDT THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH THURSDAY EVENING... * WHAT...For the Small Craft Advisory, southwest winds 15 to 20 kt with gusts up to 25 kt and seas 3 to 4 feet expected. For the Gale Watch, west winds 25 to 30 kt with gusts up to 40 kt and seas 7 to 10 feet possible. * WHERE...Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...For the Small Craft Advisory, from 1 PM this afternoon to 8 PM EDT this evening. For the Gale Watch, from late Wednesday night through Thursday evening. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ250-202115- /O.NEW.KBOX.SC.Y.0041.210420T1700Z-210421T0000Z/ /O.NEW.KBOX.GL.A.0015.210422T0800Z-210423T0000Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 409 AM EDT Tue Apr 20 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EDT THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH THURSDAY EVENING... * WHAT...For the Small Craft Advisory, south winds 15 to 20 kt with gusts up to 25 kt and seas 2 to 4 feet expected. For the Gale Watch, west winds 25 to 30 kt with gusts up to 40 kt and seas 5 to 8 feet possible. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. * WHEN...For the Small Craft Advisory, from 1 PM this afternoon to 8 PM EDT this evening. For the Gale Watch, from late Wednesday night through Thursday evening. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ254-255-202115- /O.NEW.KBOX.SC.Y.0041.210420T1700Z-210421T0000Z/ /O.NEW.KBOX.GL.A.0015.210422T0600Z-210423T0000Z/ 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- 409 AM EDT Tue Apr 20 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EDT THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH THURSDAY EVENING... * WHAT...For the Small Craft Advisory, southwest winds 15 to 20 kt with gusts up to 25 kt and seas 2 to 4 feet expected. For the Gale Watch, west winds 25 to 35 kt with gusts up to 40 kt and seas 7 to 10 feet possible. * WHERE...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. * WHEN...For the Small Craft Advisory, from 1 PM this afternoon to 8 PM EDT this evening. For the Gale Watch, from late Wednesday night through Thursday evening. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ231-251-202115- /O.NEW.KBOX.SC.Y.0041.210420T1700Z-210421T0000Z/ /O.NEW.KBOX.GL.A.0015.210422T0800Z-210423T0000Z/ Cape Cod Bay-Massachusetts Bay and Ipswich Bay- 409 AM EDT Tue Apr 20 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EDT THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH THURSDAY EVENING... * WHAT...For the Small Craft Advisory, southwest winds 10 to 20 kt with gusts up to 25 kt and seas 1 to 3 feet expected. For the Gale Watch, west winds 20 to 30 kt with gusts up to 35 kt and seas 4 to 6 feet possible. * WHERE...Cape Cod Bay and Massachusetts Bay and Ipswich Bay. * WHEN...For the Small Craft Advisory, from 1 PM this afternoon to 8 PM EDT this evening. For the Gale Watch, from late Wednesday night through Thursday evening. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$
1 follow-up statement
251 WHUS71 KBOX 201933 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 333 PM EDT Tue Apr 20 2021 ANZ232>234-210845- /O.CAN.KBOX.SC.Y.0041.000000T0000Z-210421T0000Z/ /O.UPG.KBOX.GL.A.0015.210422T0800Z-210423T0000Z/ /O.NEW.KBOX.GL.W.0022.210422T0800Z-210423T0000Z/ Nantucket Sound-Vineyard Sound-Buzzards Bay- 333 PM EDT Tue Apr 20 2021 ...GALE WARNING IN EFFECT FROM 4 AM TO 8 PM EDT THURSDAY... ...SMALL CRAFT ADVISORY IS CANCELLED... * WHAT...West winds 20 to 30 kt with gusts up to 40 kt and seas 4 to 6 feet expected. * WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...From 4 AM to 8 PM EDT Thursday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ ANZ230-236-210845- /O.CAN.KBOX.SC.Y.0041.000000T0000Z-210421T0000Z/ /O.UPG.KBOX.GL.A.0015.210422T1000Z-210423T0000Z/ /O.NEW.KBOX.GL.W.0022.210422T1000Z-210423T0000Z/ Boston Harbor-Narragansett Bay- 333 PM EDT Tue Apr 20 2021 ...GALE WARNING IN EFFECT FROM 6 AM TO 8 PM EDT THURSDAY... ...SMALL CRAFT ADVISORY IS CANCELLED... * WHAT...West winds 15 to 25 kt with gusts up to 35 kt and waves 2 to 4 feet expected. * WHERE...In Massachusetts coastal waters, Boston Harbor. In Rhode Island coastal waters, Narragansett Bay. * WHEN...From 6 AM to 8 PM EDT Thursday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ ANZ231-251-210845- /O.CAN.KBOX.SC.Y.0041.000000T0000Z-210421T0000Z/ /O.UPG.KBOX.GL.A.0015.210422T0800Z-210423T0000Z/ /O.NEW.KBOX.GL.W.0022.210422T0800Z-210423T0000Z/ Cape Cod Bay-Massachusetts Bay and Ipswich Bay- 333 PM EDT Tue Apr 20 2021 ...GALE WARNING IN EFFECT FROM 4 AM TO 8 PM EDT THURSDAY... ...SMALL CRAFT ADVISORY IS CANCELLED... * WHAT...West winds 20 to 25 kt with gusts up to 40 kt and seas 4 to 6 feet expected. * WHERE...Cape Cod Bay and Massachusetts Bay and Ipswich Bay. * WHEN...From 4 AM to 8 PM EDT Thursday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ ANZ235-237-210845- /O.CAN.KBOX.SC.Y.0041.000000T0000Z-210421T0000Z/ /O.UPG.KBOX.GL.A.0015.210422T0800Z-210423T0000Z/ /O.NEW.KBOX.GL.W.0022.210422T0800Z-210423T0000Z/ Rhode Island Sound-Block Island Sound- 333 PM EDT Tue Apr 20 2021 ...GALE WARNING IN EFFECT FROM 4 AM TO 8 PM EDT THURSDAY... ...SMALL CRAFT ADVISORY IS CANCELLED... * WHAT...West winds 20 to 25 kt with gusts up to 40 kt and seas 5 to 8 feet expected. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...From 4 AM to 8 PM EDT Thursday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ ANZ250-210845- /O.CAN.KBOX.SC.Y.0041.000000T0000Z-210421T0000Z/ /O.UPG.KBOX.GL.A.0015.210422T0800Z-210423T0000Z/ /O.NEW.KBOX.GL.W.0022.210422T0800Z-210423T0000Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 333 PM EDT Tue Apr 20 2021 ...GALE WARNING IN EFFECT FROM 4 AM TO 8 PM EDT THURSDAY... ...SMALL CRAFT ADVISORY IS CANCELLED... * WHAT...West winds 25 to 30 kt with gusts up to 40 kt and seas 7 to 10 feet expected. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. * WHEN...From 4 AM to 8 PM EDT Thursday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ ANZ254>256-210845- /O.CAN.KBOX.SC.Y.0041.000000T0000Z-210421T0000Z/ /O.UPG.KBOX.GL.A.0015.210422T0600Z-210423T0000Z/ /O.NEW.KBOX.GL.W.0022.210422T0600Z-210423T0000Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 333 PM EDT Tue Apr 20 2021 ...GALE WARNING IN EFFECT FROM 2 AM TO 8 PM EDT THURSDAY... ...SMALL CRAFT ADVISORY IS CANCELLED... * WHAT...West winds 25 to 30 kt with gusts up to 40 kt and seas 6 to 11 feet expected. * WHERE...In Massachusetts coastal waters, Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm and Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...From 2 AM to 8 PM EDT Thursday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 20, 4:09 AM EDT | Gale Watch | BOX | 11 hr | |
| Apr 20, 3:33 PM EDT | Gale Warning | BOX | 3 days |
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.