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Severe weather in Oceania
Track severe weather in Oceania during the last 30 days on a live interactive map, with the newest events listed first.
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- Thunderstorms and lightningSpecial Marine Warning issued October 19 at 11:57AM ChST until October 19 at 12:45PM ChST by NWS Tiyan GU
Strong thunderstorms threatened Guam and Rota coastal waters with gusts of at least 34 knots and higher waves. Mariners were told to seek safe harbor immediately until the hazardous weather passed.
- Thunderstorms and lightningNWS Tiyan issues Special Marine Warning for Guam and Rota Coastal Waters
The warning reported severe thunderstorms capable of producing gusts near 50 knots, frequent lightning, and possible waterspouts over Rota Coastal Waters. It instructed mariners to move to safe harbor immediately.
- Thunderstorms and lightningNWS Tiyan issues Special Marine Warning for Guam Coastal Waters as severe thunderstorm brings waterspout risk
The National Weather Service in Tiyan issued a Special Marine Warning for Guam Coastal Waters through 10:30 a.m. ChST, citing a severe thunderstorm, strong wind gusts, frequent lightning, and possible waterspouts.
- NWS Tiyan issues Special Marine Warning for Guam coastal waters amid waterspout threat
NWS Tiyan issued a warning for Guam coastal waters until 7:30 p.m. ChST after a shower capable of producing waterspouts was located over eastern Guam waters. The warning instructed boaters to seek safe harbor immediately.
- Special Marine Warnings — Tiyan3 related reports
3 related advisories are grouped here. Expand the group to review every affected area and source advisory.
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- Special Marine Warning issued October 18 at 6:34PM ChST until October 18 at 7:00PM ChST by NWS Tiyan GU
NWS Tiyan Guam issued a Special Marine Warning for Guam Coastal Waters from 6:34 PM to 7:00 PM ChST on October 18. The warning reported a shower moving northwest over northern Guam waters, with wind gusts of at least 34 knots.
- Special Marine Warning issued October 18 at 6:26PM ChST until October 18 at 6:45PM ChST by NWS Tiyan GU
The National Weather Service issued a Special Marine Warning for Guam Coastal Waters until 6:45 p.m. ChST after radar located a shower capable of producing waterspouts over southern Guam waters. The warning instructed people to seek safe harbor immediately.
- Special Marine Warning issued October 18 at 6:26PM ChST until October 18 at 6:45PM ChST by NWS Tiyan GU
The National Weather Service reported a severe thunderstorm producing waterspouts southeast of Guam, moving north at 30 knots. Boaters were told to move to safe harbor until the hazardous weather passes.
- Special Marine Warning issued October 18 at 6:34PM ChST until October 18 at 7:00PM ChST by NWS Tiyan GU
- Extreme Wind Warning issued October 18 at 3:26AM ChST until October 18 at 5:30AM ChST by NWS Tiyan GU
The National Weather Service in Tiyan issued an observed extreme wind warning for southern Guam until 5:30 AM ChST. The alert reported destructive winds of 115 to 135 mph and instructed people to take cover immediately.
- Green notification for tropical cyclone ONE-26. Population affected by Category 1 (120 km/h) wind speeds or higher is 0 (0 in Tropical Storm).
The source reports tropical storm ONE-26 active in the southeast Pacific on 16 October 2026, affecting the Cook Islands and French Polynesia. It estimates zero people affected by Category 1 (120 km/h) winds or higher.
- Orange notification for tropical cyclone TWENTYNINE-26. Population affected by Category 1 (120 km/h) wind speeds or higher is 0.177 million .
TWENTYNINE-26 was reported active in the Northwest Pacific on 14 October 2026, affecting Guam. The source estimates 0.177 million people exposed to Category 1 (120 km/h) winds or higher.
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