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Small Craft Advisory 0035
Issued by the Boston Forecast Office

Action Issued Starts Expiration
New 2026-03-24 12:57:53 2026-03-24 19:00:00 2026-03-25 06:00:00
New 2026-03-24 12:57:53 2026-03-24 19:00:00 2026-03-25 06:00:00
Cancelled 2026-03-25 00:30:54 2026-03-25 06:00:00


Action: New
Issued At: 2026-03-24 12:57:53

503 
WHUS71 KBOX 241757
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
157 PM EDT Tue Mar 24 2026

ANZ251-250800-
/O.CAN.KBOX.SC.Y.0034.000000T0000Z-260324T2000Z/
/O.NEW.KBOX.SC.Y.0035.260325T0000Z-260325T1100Z/
Massachusetts Bay and Ipswich Bay-
157 PM EDT Tue Mar 24 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 7 AM
EDT WEDNESDAY...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and 
  seas 3 to 5 feet expected.

* WHERE...Massachusetts Bay and Ipswich Bay.

* WHEN...From 8 PM this evening to 7 AM EDT Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

ANZ256-241900-
/O.CAN.KBOX.SC.Y.0034.000000T0000Z-260324T2000Z/
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
157 PM EDT Tue Mar 24 2026

...SMALL CRAFT ADVISORY IS CANCELLED...

$$

ANZ231-250800-
/O.NEW.KBOX.SC.Y.0035.260325T0000Z-260325T1100Z/
Cape Cod Bay-
157 PM EDT Tue Mar 24 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 7 AM
EDT WEDNESDAY...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  seas 2 to 4 feet expected.

* WHERE...Cape Cod Bay.

* WHEN...From 8 PM this evening to 7 AM EDT Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

ANZ250-254-255-250800-
/O.EXT.KBOX.SC.Y.0034.000000T0000Z-260325T1100Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
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-
157 PM EDT Tue Mar 24 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 AM EDT WEDNESDAY...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and 
  seas 4 to 6 feet.

* WHERE...Coastal waters east of Ipswich Bay and the Stellwagen 
  Bank National Marine Sanctuary, 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...Until 7 AM EDT Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: New
Issued At: 2026-03-24 12:57:53

503 
WHUS71 KBOX 241757
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
157 PM EDT Tue Mar 24 2026

ANZ251-250800-
/O.CAN.KBOX.SC.Y.0034.000000T0000Z-260324T2000Z/
/O.NEW.KBOX.SC.Y.0035.260325T0000Z-260325T1100Z/
Massachusetts Bay and Ipswich Bay-
157 PM EDT Tue Mar 24 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 7 AM
EDT WEDNESDAY...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and 
  seas 3 to 5 feet expected.

* WHERE...Massachusetts Bay and Ipswich Bay.

* WHEN...From 8 PM this evening to 7 AM EDT Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

ANZ256-241900-
/O.CAN.KBOX.SC.Y.0034.000000T0000Z-260324T2000Z/
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
157 PM EDT Tue Mar 24 2026

...SMALL CRAFT ADVISORY IS CANCELLED...

$$

ANZ231-250800-
/O.NEW.KBOX.SC.Y.0035.260325T0000Z-260325T1100Z/
Cape Cod Bay-
157 PM EDT Tue Mar 24 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 7 AM
EDT WEDNESDAY...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  seas 2 to 4 feet expected.

* WHERE...Cape Cod Bay.

* WHEN...From 8 PM this evening to 7 AM EDT Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

ANZ250-254-255-250800-
/O.EXT.KBOX.SC.Y.0034.000000T0000Z-260325T1100Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
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-
157 PM EDT Tue Mar 24 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 AM EDT WEDNESDAY...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and 
  seas 4 to 6 feet.

* WHERE...Coastal waters east of Ipswich Bay and the Stellwagen 
  Bank National Marine Sanctuary, 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...Until 7 AM EDT Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Cancelled
Issued At: 2026-03-25 00:30:54

458 
WHUS71 KBOX 250529
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
129 AM EDT Wed Mar 25 2026

ANZ231-251-250630-
/O.CAN.KBOX.SC.Y.0035.000000T0000Z-260325T1100Z/
Cape Cod Bay-Massachusetts Bay and Ipswich Bay-
129 AM EDT Wed Mar 25 2026

...SMALL CRAFT ADVISORY IS CANCELLED...

Wind gusts are no longer expected to be above 20 kt early this
morning. 

$$

ANZ250-254-255-251100-
/O.CON.KBOX.SC.Y.0034.000000T0000Z-260325T1100Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
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-
129 AM EDT Wed Mar 25 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EDT THIS
MORNING...

* WHAT...Southwest winds 15 to 20 kt with gusts up to 25 kt and 
  seas 3 to 5 feet.

* WHERE...Coastal waters east of Ipswich Bay and the Stellwagen 
  Bank National Marine Sanctuary, 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...Until 7 AM EDT this morning.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$



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