Official Defining Points for Tropical Cyclone Watches and Warnings
National Hurricane Center, Miami, FL
Last Update: Feb 21, 2020

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Brownsville, TX
Mouth of the Rio Grande, TX,25.96N,97.15W
Port Mansfield, TX,26.59N,97.29W
Baffin Bay, TX,27.29N,97.37W

Corpus Christi, TX
Baffin Bay, TX,27.29N,97.37W
North Entrance of the Padre Island National Seashore, TX,27.47N,97.29W
Port Aransas, TX,27.83N,97.07W
Mesquite Bay, TX,28.06N,96.85W
Port O'Connor, TX,28.39N,96.41W

Houston / Galveston, TX
Port O'Connor, TX,28.39N,96.41W
Matagorda, TX,28.63N,95.93W
Sargent, TX,28.77N,95.60W
Freeport, TX,28.93N,95.33W
San Luis Pass, TX,29.07N,95.13W
Port Bolivar, TX,29.38N,94.76W
High Island, TX,29.54N,94.39W

Lake Charles, LA
High Island, TX,29.54N,94.39W
Sabine Pass, TX,29.69N,93.84W
Cameron, LA,29.78N,93.30W
Intracoastal City, LA,29.62N,92.04W
Morgan City, LA,29.48N,91.29W

New Orleans / Baton Rouge, LA
Morgan City, LA,29.48N,91.29W
Grand Isle, LA,29.25N,89.96W
Mouth of Mississippi River, LA,29.12N,89.10W
Mouth of Pearl River, LA,30.15N,89.60W
Lake Pontchartrain, LA,30.20N,90.13W
Lake Maurepas, LA,30.25N,90.50W
Bay St. Louis, MS,30.31N,89.33W
Ocean Springs, MS,30.40N,88.82W
MS / AL Border,30.40N,88.40W

Mobile, AL
MS / AL Border,30.40N,88.40W
AL / FL Border,30.27N,87.55W
Navarre, FL ,30.38N,86.86W
Okaloosa/Walton County Line, FL,30.38N,86.40W

Tallahassee, FL
Okaloosa/Walton County Line, FL,30.38N,86.40W
Walton / Bay County Line, FL,30.28N,85.98W
Panama City, FL,30.12N,85.70W
Mexico Beach, FL,29.93N,85.39W
Indian Pass, FL,29.68N,85.27W
Apalachicola, FL,29.73N,84.99W
Ochlocknee River, FL,29.96N,84.38W
St. Marks, FL,30.10N,84.20W
Aucilla River, FL,30.09N,83.99W
Keaton Beach, FL,29.82N,83.59W
Steinhatchee River, FL,29.67N,83.40W
Suwannee River, FL,29.30N,83.17W

Tampa Bay Area, FL
Suwannee River, FL,29.30N,83.17W
Yankeetown, FL,29.03N,82.75W
Chassahowitzka, FL,28.70N,82.65W
Aripeka, FL,28.43N,82.66W
Anclote River, FL,28.18N,82.80W
Egmont Key, FL ,27.59N ,82.76W
Anna Maria Island, FL,27.53N,82.73W
Middle of Longboat Key, FL,27.39N,82.64W
Englewood, FL ,26.94N,82.37W
Boca Grande, FL ,26.75N,82.26W
Bonita Beach, FL ,26.32N,81.84W

Miami, FL (Gulf)
Bonita Beach, FL,26.32N,81.84W
Chokoloskee, FL.,25.78N,81.38W
East Cape Sable, FL,25.12N,81.08W
Flamingo, FL,25.14N,80.93W

Key West, FL (Gulf)
Flamingo, FL,25.14N,80.93W
Dry Tortugas, FL,24.66N,82.86W
Key West, FL,24.55N,81.81W
Seven Mile Bridge, FL,24.70N,81.15W
Craig Key, FL,24.83N,80.77W
Card Sound Bridge, FL,25.29N,80.37W
Ocean Reef, FL,25.33N,80.26W

Miami, FL (Atlantic)
Ocean Reef, FL,25.33N,80.26W
Golden Beach, FL,25.97N,80.12W
Hallandale Beach, FL,25.99N,80.12W
Deerfield Beach, FL,26.32N,80.07W
Boca Raton, FL,26.36N,80.07W
Jupiter Inlet, FL,26.95N,80.07W

San Juan, PR
Puerto Rico,18.22N,66.44W
Vieques,18.12N,65.43W
Culebra,18.32N,65.28W
Saint Thomas / Saint John,18.33N,64.85W
Saint Croix,17.74N,64.73W

Melbourne, FL
Jupiter Inlet, FL,26.95N,80.07W
Stuart, FL,27.21N,80.18W
Fort Pierce, FL,27.46N,80.28W
Vero Beach, FL,27.65N,80.35W
Sebastian Inlet, FL,27.83N,80.43W
Cocoa Beach, FL,28.32N,80.61W
Volusia / Brevard County Line,28.79N,80.73W
New Smyrna Beach, FL,29.03N,80.89W
Flagler / Volusia County Line,29.43N,81.11W

Jacksonville, FL
Flagler / Volusia County Line,29.43N,81.11W
Marineland, FL,29.67N,81.21W
Crescent Beach, FL,29.77N,81.25W
St. Augustine, FL,29.88N,81.27W
Ponte Vedra Beach, FL,30.24N,81.38W
Nassau Sound, FL,30.51N,81.43W
Mouth of St. Marys River, FL,30.71N,81.44W
Saint Andrews Sound, GA,30.99N,81.42W
Altamaha Sound, GA,31.29N,81.29W

Charleston, SC
Altamaha Sound, GA,31.29N,81.29W
Savannah River, GA,32.03N,80.86W
Edisto Beach, SC,32.49N,80.32W
South Santee River, SC,33.12N,79.27W

Wilmington, NC
South Santee River, SC,33.12N,79.27W
Murrells Inlet, SC,33.56N,79.01W
Little River Inlet, SC,33.85N,78.55W
Cape Fear, NC,33.84N,77.96W
Surf City, NC,34.44N,77.52W

Newport / Morehead City, NC
Surf City, NC,34.44N,77.52W
New River Inlet, NC,34.53N,77.34W
Bogue Inlet, NC,34.64N,77.11W
Cape Lookout, NC,34.60N,76.53W
Ocracoke Inlet, NC,35.06N,76.00W
Cape Hatteras, NC,35.22N,75.53W
Oregon Inlet, NC,35.77N,75.53W
Duck, NC,36.23N,75.77W

Wakefield, VA
Duck, NC,36.23N,75.77W
NC / VA Border,36.55N,75.87W
Cape Charles Light, VA,37.12N,75.90W
Parramore Island, VA,37.52N,75.64W
Chincoteague, VA,37.93N,75.32W
Chesapeake Bay, New Point Comfort, VA,37.30N,76.28W
Chesapeake Bay, Windmill Point, VA ,37.61N,76.28W
Chesapeake Bay, Smith Point, VA,37.89N,76.24W
Fenwick Island, DE,38.46N,75.05W

Baltimore / Washington (Sterling, VA)
Chesapeake Bay, Smith Point, VA,37.89N,76.24W
Tidal Potomac, Cobb Island, MD,38.26N,76.84W
Tidal Potomac, Indian Head, MD,38.61N,77.15W
Tidal Potomac, Key Bridge, MD,38.89N,77.07W
Chesapeake Bay, Drum Point, MD,38.32N,76.42W
Chesapeake Bay, North Beach, MD,38.70N,76.53W
Chesapeake Bay, Sandy Point, MD,39.02N,76.40W
Chesapeake Bay, Pooles Island, MD,39.29N,76.27W

Philadelphia / Mt. Holly, NJ
Fenwick Island, DE,38.46N,75.05W
Cape Henlopen, DE,38.80N,75.09W
Delaware Bay South,38.95N,75.10W
Delaware Bay North,39.10N,75.25W
Cape May, NJ,38.94N,74.90W
Great Egg Inlet, NJ,39.29N,74.54W
Little Egg Inlet, NJ,39.49N ,74.31W
Manasquan Inlet, NJ,40.10N,74.03W
Sandy Hook, NJ,40.46N,74.00W

New York City / Upton, NY
Sandy Hook, NJ,40.46N,74.00W
East Rockaway Inlet, NY,40.58W,73.75W
Fire Island Inlet, LI, NY,40.63N,73.31W
Moriches Inlet, LI, NY,40.77N,72.75W
Montauk Point, LI, NY,41.07N,71.86W
Port Jefferson Harbor, LI, NY,40.96N,73.08W
Kings Point, NY,40.84N ,73.75W
Greenwich, CT,41.01N ,73.62W
New Haven, CT,41.30N,72.91W
Watch Hill, RI,41.31N,71.86W

Boston / Norton, MA
Block Island, RI,41.16N,71.56W
Martha's Vineyard, MA,41.38N,70.63W
Nantucket, MA,41.27N,70.04W
Watch Hill, RI,41.31N,71.86W
Point Judith, RI,41.36N,71.48W
Westport, MA,41.50N,71.12W
Woods Hole, MA.,41.52N,70.68W
Chatham, MA.,41.67N,69.95W
Provincetown, MA,42.06N,70.25W
Sagamore Beach, MA,41.80N,70.53W
Hull, MA,42.30N,70.91W
Gloucester, MA,42.58N,70.66W
Merrimack River, MA,42.82N,70.84W

Portland / Gray, ME
Merrimack River, MA,42.82N,70.84W
Portsmouth, NH,43.05N,70.72W
Cape Elizabeth, ME,43.56N,70.19W
Port Clyde, ME,43.92N,69.25W
Stonington, ME,44.16N,68.67W

Caribou, ME
Stonington, ME,44.16N,68.67W
Petit Manan Point, ME,44.40N,67.90W
Eastport, ME,44.92N,67.00W

San Diego, CA
U.S./Mexico Border,32.53N,117.12W
San Diego/Orange County Line, CA,33.39N,117.59W
Orange/Los Angeles County Line , CA,33.75N,118.11W

Los Angeles / Oxnard, CA
Orange/Los Angeles County Line, CA,33.75N,118.11W
Point Mugu, CA,34.11N,119.12W
Point Conception, CA,34.45N,120.45W
Point Sal, CA,34.90N,120.67W
Point Piedras Blancas, CA,35.66N,121.29W

Honolulu, HI (Main Hawaiian Islands)
Hawaii,19.65N,155.50W
Kauai and Niihau,22.06N,159.51W
Maui, Molokai, Lanai, Kahoolawe,20.80N,156.35W
Oahu,21.46N,158.00W

Honolulu, HI (Other Central Pacific Islands)
Nihoa,23.05N,161.92W
French Frigate Shoals,23.86N,166.27W
Maro Reef,25.33N,170.50W
Lisianski,26.06N,173.96W
Pearl and Hermes Atoll,27.83N,175.83W
Midway,28.21N,177.37W
Kure Atoll,28.40N,178.30W
Johnston Atoll,16.75N,169.50W
Palmyra Atoll,  5.89N,162.08W

Pago Pago, American Samoa 
Tutuila & Aunu'u ,14.30S,170.70W
Ofu & Olosega,14.18S, 169.62W
Ta'u,14.23S,169.46W
Swains Is.,11.08S,171.04W
Rose Atoll,14.32S,168.09W 

WFO Guam Warning Area and Phonetic Pronunciations

Mariana Islands United States (CNMI - Commonwealth of the Northern Mariana Islands)
Agrihan,ah-GREE-ahn,18.80N,145.70E
Saipan (CNMI),sah-EE-pan,15.20N,145.80E
Tinian (CNMI),TIN-ee-an,15.00N,145.60E
Rota (CNMI),ROH-tah,14.10N,145.20E
Guam,gwam,13.50N,144.80E

Republic of Palau
Sonsorol,son-soh-rall,5.30N,132.20E
Koror,KOH-roar,7.30N,134.40E
Kayangel,KAY-ANG-gul,8.10N,134.70E

Federated States of Micronesia
Ngulu (Yap State),noo-loo,8.30N,137.50E
Yap,yap,9.50N,138.10E
Ulithi (Yap State),U-lih-thee,9.90N,139.60E
Fais (Yap State),fice,9.80N,140.50E
Fareulap (Yap State),fah-JAH-lup,8.60N,144.60E
Woleai (Yap State),whoa-lee-ay,7.40N,143.90E
Satawal (Yap State),sat-ah-wahl,7.40N,147.10E
Puluwat Atoll (Chuuk State),poo-loo-what,7.10N,149.00E
Ulul (Chuuk State),oo-lool,8.60N,149.70E
Chuuk,chook,7.50N,151.90E
Fananu (Chuuk State) fan-NAH-noo,8.60N,151.90E
Losap (Chuuk State),LOW-sap,6.90N,152.70E
Lukunor (Chuuk State),LOOK-oo-nour,5.60N,154.00E
Nukuoro (Pohnpei State),noo-koo-OR-oh,3.90N,154.90E
Sapwuafik (Pohnpei State),sop-HUA-fick,5.90N,157.40E
Pakin (Pohnpei State),PA-kin,7.00N,157.90E
Pohnpei,POHEN-pay,6.90N,158.20E
Mokil (Pohnpei State),moh-keel,6.80N,159.80E
Pingelap Atoll (Pohnpei State),PEENG-eh-lap,6.20N,160.70E
Kosrae,kos-RYE,5.30N,163.00E

Republic of the Marshall Islands
Enewetak Atoll,ahn-eh-wee-tock A-tol,11.40N,162.40E
Ujae,oo-jye,8.90N,165.80E
Kwajalein,kwa-jah-lynn,8.70N,167.80E
Ailingalaplap,aye-leeng-ah-lop-lop,7.50N,168.90E
Jaluit Atoll,ja-loo-eet A-tol,5.90N,169.60E
Utirik,oo-teer-eek,11.20N,169.60E
Wotje Atoll,wot-jay A-tol,9.30N,170.20E
Majuro,ma-JUR-o,7.10N,171.20E
Mili Atoll,mill-lee A-tol,6.10N,171.90E