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NOAA > NWS > WFO Guam's Home > Cyclone > WFO Guam's AOR
WFO Guam's Tropical Cyclone Area of Responsibility
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NWS Tiyan, Guam is responsible for issuing tropical storm/typhoon watches and warnings for the following islands in the Western Pacific:
(Mouse click on map for larger version)

United States Republic of Palau Federated States of Micronesia Republic of the Marshall Islands
Guam
Rota, MP
Tinian, MP (1)
Saipan, MP
Agrihan, MP (2)
Sonsorol
Koror
Kayangel (3)
Ngulu
Yap
Ulithi
Fais
Woleai (4)
Faraulep (5)
Satawal (6)
Puluwat (7)
Ulul (8)
Fananu (9)
Chuuk(Truk)
Losap (10)
Lukunor (11)
Nukuoro
Sapwuafik (12)
Pakin (13)
Pohnpei
Mokil (14)
Pingelap (15)
Kosrae
  Enewetak
  Ujae (16)
  Kwajalein
  Ailinglaplap (17)
  Jaluit
  Wotje (18)
  Utirik (19)
  Majuro
  Mili (20)

Time Zones (ChST = Chamorro Standard Time)
UTC+9 ChST-1 Palau
UTC+10 ChST Guam, Northern Mariana Islands, FSM west of 154E (Yap and Chuuk States)
UTC+11 ChST+1 FSM east of 154E (Pohnpei and Kosrae States)
UTC+12 ChST+2 Marshall Islands

U.S. Mainland Standard (Nov-Mar) Daylight (Apr-Oct)
Eastern Time ChST-15 ChST-14
Pacific Time ChST-18 ChST-17
Hawaii ChST-20 (year round)