735 FZUS72 KMFL 181405 MWSMFL Marine Weather Statement National Weather Service Miami FL 1005 AM EDT Thu Sep 18 2025 AMZ630-651-671-181500- 1005 AM EDT Thu Sep 18 2025 ...GUSTY SHOWERS AND THUNDERSTORMS OVER THE WATERS... The areas affected include... Biscayne Bay... Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM... Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM excluding the territorial waters of Bahamas... At 1004 AM EDT, Doppler radar indicated thunderstormS, capable of producing winds to around 30 knots. These thunderstorms were located 7 nm northeast of Triumph Reef, moving northwest at 10 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots and locally higher waves. Boaters should seek safe harbor immediately until these storms pass. Waterspouts are possible with this activity. Remain on the alert in case warnings are issued for waterspout development. && LAT...LON 2569 7967 2524 7987 2546 8035 2567 8027 2585 8017 2603 8012 $$ AR  136 FZCA72 TJSJ 181421 MWSSJU Marine Weather Statement National Weather Service San Juan PR 1021 AM AST Thu Sep 18 2025 AMZ711-716-723-726-733-181800- Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- Coastal Waters from Cabo San Juan to the waters between Anegada Island and Virgin Gorda and North 10 NM- Anegada Passage east of Virgin Gorda and Saint Croix south to 17N- Coastal waters east of Puerto Rico, around Vieques, and around and just north of Culebra and Saint John- Caribbean waters of Puerto Rico from 10 NM to 17N, including the coastal waters of Saint Croix- 1021 AM AST Thu Sep 18 2025 ...STRONG THUNDERSTORMS OVER THE OFFSHORE CARIBBEAN WATERS... At 1015 AM AST, Doppler radar indicated strong thunderstorms, capable of producing winds to around 30 knots, frequent lightning, and heavy downpours. Isolated waterspouts are possible. These thunderstorm were located over the waters surrounding the US Virgin Islands, and across the offshore Caribbean and Atlantic waters, moving west-northwest at 10 knots. Additional thunderstorms are expected to redevelop across these waters through this afternoon. && PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until this storm passes. Report severe weather to the Coast Guard or nearest law enforcement agency. They will relay your report to the National Weather Service forecast office. $$  854 FZUS76 KMTR 181459 MWSMTR Marine Weather Statement National Weather Service San Francisco CA 759 AM PDT Thu Sep 18 2025 PZZ530-531-535-540-545-560-565-570-571-575-576-190600- San Pablo Bay, Suisun Bay, the West Delta and the San Francisco Bay north of the Bay Bridge- San Francisco Bay South of the Bay Bridge-Monterey Bay- Coastal Waters from Point Arena to Point Reyes California out to 10 NM- Coastal Waters from Point Reyes to Pigeon Point California out to 10 NM- Coastal Waters from Pigeon Point to Point Pinos California out to 10 NM- Coastal Waters from Point Pinos to Point Piedras Blancas California out to 10 NM-Waters from Point Arena to Point Reyes 10- 60 NM-Waters from Point Reyes to Pigeon Point 10-60 NM- Waters from Pigeon Point to Point Pinos 10-60 NM- Waters from Point Pinos to Point Piedras Blancas 10-60 NM- 759 AM PDT Thu Sep 18 2025 ...A SLIGHT CHANCE OF THUNDERSTORMS THROUGH THIS EVENING... Mid to upper level moisture and instability associated with the remnants of tropical cyclone Mario will continue to advance northward through this evening. This will bring a slight chance of thunderstorms to a the coastal waters and bays through this evening. Thunderstorms may produce gusty outflow winds, locally rough seas and brief heavy rain. $$