822 FZUS72 KMLB 171913 MWSMLB Marine Weather Statement National Weather Service Melbourne FL 313 PM EDT Sat Oct 17 2026 AMZ555-172015- 313 PM EDT Sat Oct 17 2026 ...A STRONG THUNDERSTORM OVER THE WATERS... The areas affected include... Sebastian Inlet to Jupiter Inlet 0-20 nm... At 313 PM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots. This thunderstorm was located over Jupiter Inlet, moving north at 5 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until this storm passes. Waterspouts are possible with this activity. Remain on the alert in case warnings are issued for waterspout development. && LAT...LON 2697 8011 2710 8017 2712 8019 2714 7986 2697 7989 $$ Wishard  549 WGMY50 PGUM 171929 FFWGUM GUC010-172130- /O.EXT.PGUM.FF.W.0036.000000T0000Z-261017T2130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Tiyan GU 529 AM ChST Sun Oct 18 2026 The National Weather Service in Tiyan has extended the * Flash Flood Warning for... Guam... * Until 730 AM ChST. * At 529 AM ChST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2.5 and 5 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Guam PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. && LAT...LON 1344 14459 1346 14460 1348 14462 1350 14475 1353 14478 1366 14483 1368 14484 1368 14487 1363 14491 1362 14497 1359 14497 1351 14494 1341 14481 1327 14479 1323 14476 1321 14464 1324 14463 1327 14465 1333 14461 1340 14463 FLASH FLOOD...RADAR INDICATED $$ CO  871 WHUS52 KMFL 171937 SMWMFL AMZ650-651-172030- /O.NEW.KMFL.MA.W.0318.261017T1937Z-261017T2030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Miami FL 337 PM EDT Sat Oct 17 2026 The National Weather Service in Miami has issued a * Special Marine Warning for... Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM... Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM... * Until 430 PM EDT. * At 336 PM EDT, severe thunderstorms capable of producing waterspouts were located along a line extending from near Ocean Ridge to near Hillsboro Beach, moving northeast at 10 knots. HAZARD...Waterspouts and wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Ocean Ridge, Palm Beach, Hypoluxo, Lighthouse Point, Hillsboro Beach, Gulf Stream, Delray Beach, Highland Beach, South Palm Beach, Manalapan, Briny Breezes, Boca Raton, Pompano Beach, and Deerfield Beach. PRECAUTIONARY/PREPAREDNESS ACTIONS... Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately. Report severe weather to the Coast Guard or the National Weather Service. You can also share your report with NWS Miami on Facebook and Twitter. && LAT...LON 2668 7973 2621 7979 2624 8012 2671 8006 TIME...MOT...LOC 1936Z 221DEG 8KT 2649 8003 2630 8003 WATERSPOUT...POSSIBLE HAIL...0.00IN WIND...>34KTS $$ Hadi  564 WHUS52 KMFL 171945 SMWMFL AMZ650-172015- /O.NEW.KMFL.MA.W.0319.261017T1945Z-261017T2015Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Miami FL 345 PM EDT Sat Oct 17 2026 The National Weather Service in Miami has issued a * Special Marine Warning for... Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM... * Until 415 PM EDT. * At 345 PM EDT, a severe thunderstorm capable of producing waterspouts was located over Jupiter Inlet. The severe thunderstorm was nearly stationary. HAZARD...Waterspouts and wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Jupiter Inlet Colony, Jupiter, Jupiter Inlet, Tequesta, and Juno Beach. PRECAUTIONARY/PREPAREDNESS ACTIONS... Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately. Report severe weather to the Coast Guard or the National Weather Service. You can also share your report with NWS Miami on Facebook and Twitter. && LAT...LON 2697 7989 2691 7987 2689 8008 2694 8015 2695 8015 2696 8014 2697 8014 TIME...MOT...LOC 1945Z 132DEG 4KT 2696 8004 WATERSPOUT...POSSIBLE HAIL...0.00IN WIND...>34KTS $$ Hadi  731 WHUS52 KMLB 171946 SMWMLB AMZ555-172045- /O.NEW.KMLB.MA.W.0327.261017T1946Z-261017T2045Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Melbourne FL 346 PM EDT Sat Oct 17 2026 The National Weather Service in Melbourne has issued a * Special Marine Warning for... Sebastian Inlet to Jupiter Inlet 0-20 nm... * Until 445 PM EDT. * At 346 PM EDT, a severe thunderstorm capable of producing waterspouts was located near Jupiter Inlet Colony, moving north at 5 knots. HAZARD...Waterspouts and wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Waterspouts can can quickly form and capsize boats, damage vessels and create locally hazardous seas. Make sure all on board are wearing life jackets. Expect wind gusts in excess of 34 knots, suddenly higher waves, lightning and heavy downpours. Make sure all on board are wearing life jackets. Return to safe harbor if possible. * Locations impacted include... Jupiter Inlet Colony, Jupiter Inlet, Jupiter Island, Hobe Sound Beach, and Tequesta. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately. && LAT...LON 2697 8011 2710 8017 2712 8019 2714 7990 2697 7992 TIME...MOT...LOC 1946Z 171DEG 5KT 2699 8003 WATERSPOUT...POSSIBLE HAIL...0.00IN WIND...>34KTS $$ Wishard