257
NOUS41 KWBC 191640
PNSWSH
SERVICE CHANGE NOTICE 25-102
NATIONAL WEATHER SERVICE HEADQUARTERS SILVER SPRING MD
1140 AM EST FRI DEC 19 2025
TO: SUBSCRIBERS:
-NOAA WEATHER WIRE SERVICE
-EMERGENCY MANAGERS WEATHER INFORMATION NETWORK
-NOAAPORT
OTHER NWS PARTNERS AND EMPLOYEES
FROM: MARY MULLUSKY, CHIEF
OPERATIONS SERVICES DIVISION
SUBJECT: CHANGES TO ATLANTIC MARINE FORECAST ZONES FOR THE
OCEAN PREDICTION CENTER EFFECTIVE MARCH 3, 2026
EFFECTIVE ON TUE, MARCH 3, 2026, AT 4:00 PM EASTERN STANDARD
TIME (EST), 2100 COORDINATED UNIVERSAL TIME (UTC), THE OCEAN
PREDICTION CENTER WILL CHANGE MARINE FORECAST ZONES ENCOMPASSING
ITS ATLANTIC OFFSHORE WATERS. UPON IMPLEMENTATION OF THIS
CHANGE, ALL OFFSHORE MARINE FORECASTS WILL USE THE ZONE NUMBERS
AND NAMES LISTED BELOW.
IF MARCH 3, 2026 IS DECLARED A CRITICAL WEATHER DAY, THIS
IMPLEMENTATION WILL BE POSTPONED TO MARCH 4, 2026 AT 2100 UTC.
OTHER CHANGES OCCURRING AT THE SAME TIME INVOLVE NEAR SHORE
MARINE ZONES, WITH THE OUTER EXTENT EXPANDING FROM APPROXIMATELY
40 NM OFFSHORE TO 60 NM OFFSHORE. THESE MARINE ZONES AREAS ARE
FORECAST BY WEATHER FORECAST OFFICES AND FOR DETAILS PLEASE SEE
SCN:25-101, SUBJECT: CHANGES TO MARINE ZONES FOR NWS WEATHER
FORECAST OFFICES FROM CARIBOU, ME TO CHARLESTON, SC EFFECTIVE
MARCH 3, 2026, WHICH ALSO CONTAINS GRAPHICAL DEPICTIONS OF THE
CHANGES.
THESE CHANGES HAVE BEEN COORDINATED WITH PARTNERING AGENCIES AND
ARE PART OF A NATIONAL WEATHER SERVICE EFFORT TO MAKE THE
OFFSHORE EXTENT OF COASTAL MARINE ZONES CONSISTENT THROUGHOUT
THE CONTERMINOUS UNITED STATES. THE NEW ZONE NUMBERS, NAMES,
AND ZONE FORECAST AREA DESCRIPTIONS ARE LISTED BELOW.
ZONE NUMBER: ZONE NAME
ANZ801: GULF OF MAINE TO THE HAGUE LINE
ANZ806: GEORGES BANK BETWEEN CAPE COD AND 67.8W TO 30 NM SOUTH
OF 1000 FM
ANZ811: SOUTH OF NEW ENGLAND BETWEEN NANTUCKET AND MONTAUK
POINT TO 30 NM SOUTH OF 1000 FM
ANZ816: SOUTH OF LONG ISLAND BETWEEN MONTAUK POINT AND SANDY
HOOK TO 30 NM SOUTH OF 1000 FM
ANZ821: HUDSON CANYON TO BALTIMORE CANYON BETWEEN 60 NM AND 120
NM OFFSHORE
ANZ826: BALTIMORE CANYON TO CAPE CHARLES LIGHT BETWEEN 60 NM
AND 120 NM OFFSHORE
ANZ831: CAPE CHARLES LIGHT TO OREGON INLET BETWEEN 60 NM AND
120 NM OFFSHORE
ANZ836: OREGON INLET TO CAPE HATTERAS BETWEEN 60 NM AND 120 NM
OFFSHORE
ANZ841: CAPE HATTERAS TO SURF CITY NC BETWEEN 60 NM AND 120 NM
OFFSHORE
ANZ846: SURF CITY NC TO SOUTH SANTEE RIVER SC BETWEEN 60 NM AND
120 NM OFFSHORE
ANZ851: SOUTH SANTEE RIVER SC TO 31N BETWEEN 60 NM AND 120 NM
OFFSHORE
ANZ901: GEORGES BANK BETWEEN 67.8W AND THE HAGUE LINE TO 30 NM
SOUTH OF 1000 FM
ANZ906: EAST OF 67.8W TO THE HAGUE LINE FROM 30 NM SOUTH OF
1000 FM TO 250 NM OFFSHORE
ANZ911: BETWEEN 70W AND 67.8W FROM 30 NM SOUTH OF 1000 FM TO
250 NM OFFSHORE
ANZ916: BALTIMORE CANYON TO 30 NM SOUTH OF 1000 FM BETWEEN 120
NM OFFSHORE AND 70W
ANZ921: BALTIMORE CANYON TO HATTERAS CANYON BETWEEN 120 NM AND
250 NM OFFSHORE
ANZ926: HATTERAS CANYON TO CAPE FEAR BETWEEN 120 NM AND 250 NM
OFFSHORE
ANZ931: CAPE FEAR TO 31N BETWEEN 120 NM AND 250 NM OFFSHORE
---------------------
THE ZONE NUMBERS, NAMES, AND ZONE AREA DESCRIPTIONS BEING
REPLACED ARE LISTED BELOW.
REPLACED ZONE NUMBER: REPLACED ZONE NAME
ANZ800: GULF OF MAINE TO THE HAGUE LINE
ANZ805: GEORGES BANK BETWEEN CAPE COD AND 68W NORTH OF 1000 FM
ANZ810: SOUTH OF NEW ENGLAND BETWEEN THE GREAT SOUTH CHANNEL
AND MONTAUK POINT TO 1000 FM
ANZ815: SOUTH OF LONG ISLAND BETWEEN MONTAUK POINT AND SANDY
HOOK TO 1000 FM
ANZ820: HUDSON CANYON TO BALTIMORE CANYON TO 1000 FM
ANZ825: BALTIMORE CANYON TO CAPE CHARLES LIGHT TO 100 NM
OFFSHORE
ANZ828: CAPE CHARLES LIGHT TO CURRITUCK BEACH LIGHT TO 100 NM
OFFSHORE
ANZ830: CURRITUCK BEACH LIGHT TO CAPE HATTERAS TO 100 NM
OFFSHORE
ANZ833: CAPE HATTERAS TO CAPE FEAR TO 100 NM OFFSHORE
ANZ835: CAPE FEAR TO 31N TO 1000 FM
ANZ900: GEORGES BANK BETWEEN 68W AND THE HAGUE LINE
ANZ905: EAST OF 69W TO THE HAGUE LINE BETWEEN 1000 FM AND 39N
ANZ910: EAST OF 69W AND SOUTH OF 39N TO 250 NM OFFSHORE
ANZ915: BETWEEN 1000 FM AND 38.5N WEST OF 69W
ANZ920: BALTIMORE CANYON TO 69W EAST OF 1000 FM AND SOUTH OF
38.5N TO 250 NM OFFSHORE
ANZ925: BALTIMORE CANYON TO HATTERAS CANYON BETWEEN 100 NM AND
250 NM OFFSHORE
ANZ930: HATTERAS CANYON TO CAPE FEAR BETWEEN 100 NM AND 250 NM
OFFSHORE
ANZ935: CAPE FEAR TO 31N EAST OF 1000 FM TO 250 NM OFFSHORE
---------------------
THERE WILL BE NO CHANGES TO THE OPC SYNOPSES LISTED BELOW:
ANZ898: SYNOPSIS FOR NEW ENGLAND WATERS
ANZ899: SYNOPSIS FOR MID ATLC WATERS
-------------------
UPDATED COASTAL, OFFSHORE, AND HIGH SEAS ZONE SHAPEFILES ARE
ONLINE AT: HTTPS://WWW.WEATHER.GOV/GIS/MARINEZONES
FINAL VERSIONS OF THESE SHAPEFILES WILL BE AVAILABLE ON FEBRUARY
13, 2026.
GRAPHICAL DEPICTIONS OF THE CHANGES TO THE OFFSHORE ZONES ARE
ONLINE AT:
HTTPS://WWW.WEATHER.GOV/MARINE/OPCMARINEFORECASTZONECHANGES
FOR MORE INFORMATION, PLEASE CONTACT:
DARIN FIGURSKEY
OPERATIONS BRANCH CHIEF
OCEAN PREDICTION CENTER
COLLEGE PARK, MARYLAND
DARIN.FIGURSKEY@NOAA.GOV
MELINDA BAILEY
NATIONAL WEATHER SERVICE
MARINE SERVICES PROGRAM MANAGER
OCEAN PREDICTION CENTER
MELINDA.BAILEY@NOAA.GOV
NATIONAL SERVICE CHANGE NOTICES ARE ONLINE AT:
HTTPS://WWW.WEATHER.GOV/NOTIFICATION/
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