
A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >
WFO Guam is responsible for issuing tropical storm/typhoon watches and warnings for the following islands in the Western Pacific:
(Click to enlarge)
| United States | Republic of Palau | Federated States of Micronesia | Republic of the Marshall Islands |
|---|
| Guam Rota, MP Tinian, MP Saipan, MP Agrihan, MP |
Sonsorol |
Ngulu Yap Ulithi Fais Woleai Faraulep Satawal Puluwat Ulul Fananu |
Chuuk(Truk) Losap Lukunor Nukuoro Sapwuafik Pakin Pohnpei Mokil Pingelap Kosrae |
Enewetak Ujae Kwajalein Ailinglaplap Jaluit Wotje Utirik Majuro Mili |
| 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. Region | Standard (Nov-Mar) | Daylight Savings (Apr-Oct)* |
| Eastern Time | ChST-15 | ChST-14 |
| Central Time | ChST-16 | ChST-15 |
| Mountain Time | ChST-17 | ChST-16 |
| Pacific Time | ChST-18 | ChST-17 |
| Alaska | ChST-19 | ChST-18 |
| Hawaii | ChST-20 (year round) |
* - Daylight savings runs from the 2nd Sunday of March to the 1st Sunday of November