Last Updated: 2021-04-20 14:09:43 EDT


WHUS71 KBOX 200809
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
409 AM EDT Tue Apr 20 2021

ANZ230-202115-
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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-
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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-
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/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-
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/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-
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/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-
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/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-
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/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-
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/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.

&&

$$