Official Defining Points for Tropical Cyclone Watches and Warnings
National Hurricane Center, Miami, FL
Last Update: Feb 11, 2019

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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
Pascagoula, MS 30.35N 88.55W
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

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 the 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 41.35N 71.49W
Westport, MA 41.50N 71.11W
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
Plymouth, MA 41.98N 70.65W
Hull, MA 42.30N 70.91W
Gloucester, MA 42.58N 70.66W
Merrimack River, MA 42.84N 70.82W

Portland / Gray, ME
Merrimack River, MA 42.84N 70.82W
Portsmouth, NH 43.05N 70.72W
Cape Elizabeth, ME 43.56N 70.19W
Port Clyde, ME 43.92N 69.25W
Stonington, ME 44.16N 68.64W

Caribou, ME
Stonington, ME 44.16N 68.67W
Bar Harbor, ME 44.39N 68.20W
Eastport, ME 44.92N 67.00W

San Diego, CA
Mouth of Tijuana River, CA 32.53N 117.12W
San Onofre State Beach, CA 33.39N 117.59W
Mouth of San Gabriel River, CA. 33.75N 118.11W

Los Angeles / Oxnard, CA
Mouth of San Gabriel River, 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)
Johnston Atoll 16.75N 169.50W
Palmyra Atoll 5.89N 162.08W
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

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