FZUS52 KMFL 172005 CWFMFL Coastal Waters Forecast for South Florida National Weather Service Miami FL 405 PM EDT Sat Apr 17 2021 Atlantic coastal waters from Jupiter Inlet to Ocean Reef out to 60 nm and Gulf coastal waters from East Cape Sable to Chokoloskee out 20 nm and Chokoloskee to Bonita Beach out 60 nm...including the waters of Biscayne Bay and Lake Okeechobee. Seas are provided as a range of the average height of the highest 1/3 of the waves...along with the occasional height of the average highest 10 percent of the waves. AMZ600-GMZ606-180900- Synopsis for Jupiter Inlet to Ocean Reef FL out to 60 nm and for East Cape Sable to Bonita Beach FL out to 60 nm- 405 PM EDT Sat Apr 17 2021 .SYNOPSIS... Favorable marine conditions will continue despite a weak northeasterly swell over the Atlantic waters off Palm Beach County. Cautionary headlines may be possible across portions of the Atlantic waters early next week. A cold front across central portions of the state will lead to increasing rain and thunderstorm chances. The strongest activity may produce brief heavy rainfall, which may lead to reduced visibilities. Additionally, frequent cloud-to-water lightning, gusty winds, and localized higher seas may also be possible. .GULF STREAM HAZARDS...Increasing chances of showers and thunderstorms with gusty winds and locally higher seas will be possible through midweek. The approximate location of the west wall of the Gulf Stream as of Apr 17, 2021 at 1200 UTC... 6 nautical miles east northeast of Fowey Rocks. 8 nautical miles east northeast of Port Everglades. 4 nautical miles southeast of Lake Worth. 8 nautical miles southeast of Jupiter Inlet. This data courtesy of the Naval Oceanographic Office. $$ AMZ650-670-180900- Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM- Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM- 405 PM EDT Sat Apr 17 2021 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TONIGHT...West southwest winds 10 to 15 knots with gusts to around 20 knots. Seas 2 to 4 feet with occasional seas to 5 feet. Period 4 seconds. Intracoastal waters a light chop. .SUNDAY...South southwest winds 10 to 15 knots with gusts to around 20 knots. Seas 2 to 3 feet. Period 4 seconds. Intracoastal waters a light chop. .SUNDAY NIGHT...Southwest winds 5 to 10 knots along the coast to south southwest 10 to 15 knots in the Gulf Stream. Seas 2 to 3 feet. Period 4 seconds. Intracoastal waters a light chop. Slight chance of showers and thunderstorms. .MONDAY...South southwest winds 10 to 15 knots. Seas around 2 feet. Period 3 seconds. Intracoastal waters a light chop. Chance of showers and slight chance of thunderstorms in the morning, then showers likely and chance of thunderstorms in the afternoon. .MONDAY NIGHT...South southwest winds 5 to 10 knots along the coast to south southwest 10 to 15 knots in the Gulf Stream. Seas around 2 feet. Intracoastal waters a light chop. Chance of thunderstorms in the evening. Chance of showers through the night. Slight chance of thunderstorms after midnight. .TUESDAY...South southwest winds 10 to 15 knots with gusts to around 20 knots along the coast to south southwest 10 to 20 knots with gusts to around 25 knots in the Gulf Stream. Seas 2 to 3 feet. Intracoastal waters a moderate chop. Chance of showers and slight chance of thunderstorms. .TUESDAY NIGHT...Southwest winds 10 to 15 knots with gusts to around 20 knots. Seas 2 to 3 feet. Intracoastal waters a light chop. Chance of showers and slight chance of thunderstorms through the night. .WEDNESDAY...West southwest winds 10 to 15 knots. Seas around 2 feet. Intracoastal waters a light chop. Chance of showers and slight chance of thunderstorms in the morning, then showers likely and chance of thunderstorms in the afternoon. .WEDNESDAY NIGHT...North northwest winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a light chop. Chance of showers and slight chance of thunderstorms. .THURSDAY...Northeast winds around 15 knots with gusts to around 20 knots. Seas 2 to 3 feet along the coast and 3 to 5 feet with occasional to 6 feet in the Gulf Stream. Intracoastal waters a moderate chop. Slight chance of showers. $$ AMZ651-671-180900- 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- 405 PM EDT Sat Apr 17 2021 .TONIGHT...Southwest winds 5 to 15 knots. Seas 2 to 3 feet. Period 3 seconds. Intracoastal waters a light chop. .SUNDAY...South southwest winds 5 to 15 knots. Seas around 2 feet. Period 3 seconds. Intracoastal waters a light chop. .SUNDAY NIGHT...South winds 5 to 15 knots. Seas around 2 feet. Period 5 seconds. Intracoastal waters a light chop. Slight chance of showers after midnight. .MONDAY...South southwest winds 10 to 15 knots with gusts to around 20 knots. Seas around 2 feet. Period 3 seconds. Intracoastal waters a light chop. Slight chance of showers and thunderstorms in the morning, then chance of showers and thunderstorms in the afternoon. .MONDAY NIGHT...South winds 5 to 15 knots. Seas around 2 feet. Intracoastal waters a light chop. Chance of showers in the evening. Slight chance of thunderstorms through the night. Slight chance of showers after midnight. .TUESDAY...South southwest winds 10 to 20 knots with gusts to around 25 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop. Slight chance of showers. Slight chance of thunderstorms in the afternoon. .TUESDAY NIGHT...South southwest winds 5 to 15 knots. Seas around 2 feet. Intracoastal waters a light chop. Slight chance of showers in the evening. .WEDNESDAY...West southwest winds 10 to 15 knots. Seas around 2 feet. Intracoastal waters a light chop. Chance of showers and slight chance of thunderstorms in the morning, then showers likely and chance of thunderstorms in the afternoon. .WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Seas around 2 feet. Intracoastal waters a light chop. Chance of showers and slight chance of thunderstorms. .THURSDAY...Northeast winds 10 to 15 knots with gusts to around 20 knots. Seas around 2 feet along the coast and 2 to 4 feet with occasional to 5 feet in the Gulf Stream. Intracoastal waters a moderate chop. Slight chance of showers through the day. $$ AMZ630-180900- Biscayne Bay- 405 PM EDT Sat Apr 17 2021 .TONIGHT...West southwest winds around 10 knots. Bay waters a light chop. .SUNDAY...South southwest winds 10 to 15 knots with gusts to around 20 knots. Bay waters a moderate chop. .SUNDAY NIGHT...South southwest winds 5 to 10 knots. Bay waters a light chop. Slight chance of showers after midnight. .MONDAY...South southwest winds 10 to 15 knots. Bay waters a moderate chop. Slight chance of showers and thunderstorms in the morning, then chance of showers and thunderstorms in the afternoon. .MONDAY NIGHT...South winds 5 to 10 knots. Bay waters a light chop. Chance of showers and slight chance of thunderstorms in the evening, then slight chance of showers after midnight. .TUESDAY...South southwest winds 10 to 15 knots with gusts to around 25 knots. Bay waters a moderate chop. Slight chance of showers. Slight chance of thunderstorms in the afternoon. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters a light chop. Slight chance of showers in the evening. .WEDNESDAY...West southwest winds 10 to 15 knots. Bay waters a moderate chop. Slight chance of thunderstorms in the morning. Chance of showers. Chance of thunderstorms in the afternoon. .WEDNESDAY NIGHT...North northwest winds 5 to 10 knots. Bay waters a light chop. Chance of showers and slight chance of thunderstorms in the evening, then slight chance of showers after midnight. .THURSDAY...Northeast winds 10 to 15 knots. Bay waters a moderate chop. Slight chance of showers. $$ GMZ656-657-180900- Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM- Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM- 405 PM EDT Sat Apr 17 2021 .TONIGHT...South southwest winds 5 to 10 knots. Seas around 2 feet. Period 5 seconds. Bay and inland waters a light chop. .SUNDAY...South southwest winds 5 to 10 knots. Seas around 2 feet. Period 4 seconds. Bay and inland waters a light chop. .SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Period 4 seconds. Bay and inland waters a light chop. Slight chance of showers in the evening, then chance of showers and slight chance of thunderstorms after midnight. .MONDAY...Southwest winds 5 to 15 knots. Seas around 2 feet. Period 3 seconds. Bay and inland waters a moderate chop. Chance of showers and slight chance of thunderstorms. .MONDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Bay and inland waters a light chop. Chance of showers and slight chance of thunderstorms. .TUESDAY...Southwest winds 10 to 15 knots with gusts to around 20 knots. Seas 2 to 3 feet. Bay and inland waters a moderate chop. Chance of showers. Slight chance of thunderstorms in the afternoon. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Bay and inland waters a light chop. Chance of showers and slight chance of thunderstorms. .WEDNESDAY...West northwest winds 10 to 15 knots. Seas 2 to 3 feet. Bay and inland waters a moderate chop. Chance of showers and slight chance of thunderstorms. .WEDNESDAY NIGHT...North winds 10 to 15 knots. Seas 2 to 3 feet. Bay and inland waters a light chop. Slight chance of showers in the evening. .THURSDAY...North winds 10 to 15 knots. Seas 2 to 3 feet. Bay and inland waters a light chop. $$ GMZ676-180900- Waters from Chokoloskee to Bonita Beach FL from 20 to 60 NM- 405 PM EDT Sat Apr 17 2021 .TONIGHT...South winds 5 to 10 knots. Seas around 2 feet. Period 6 seconds. .SUNDAY...South southwest winds 5 to 10 knots. Seas around 2 feet. Period 6 seconds. .SUNDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet. Period 6 seconds. Slight chance of showers in the evening, then chance of showers and slight chance of thunderstorms after midnight. .MONDAY...South southwest winds around 10 knots. Seas 2 to 3 feet. Period 6 seconds. Chance of showers and slight chance of thunderstorms. .MONDAY NIGHT...South winds 5 to 15 knots. Seas 2 to 3 feet. Chance of showers and slight chance of thunderstorms. .TUESDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Chance of showers and slight chance of thunderstorms. .TUESDAY NIGHT...Southwest winds around 10 knots. Seas 2 to 3 feet. Chance of showers and slight chance of thunderstorms. .WEDNESDAY...West northwest winds around 10 knots. Seas 2 to 3 feet. Chance of thunderstorms in the morning. Chance of showers. Slight chance of thunderstorms in the afternoon. .WEDNESDAY NIGHT...North winds 10 to 15 knots with gusts to around 20 knots. Seas 2 to 3 feet. .THURSDAY...North northeast winds 10 to 15 knots with gusts to around 20 knots. Seas 2 to 4 feet with occasional seas to 5 feet. $$ AMZ610-180900- Lake Okeechobee- 405 PM EDT Sat Apr 17 2021 .TONIGHT...West southwest winds 5 to 15 knots. Lake waters a moderate chop. .SUNDAY...West southwest winds 5 to 15 knots. Lake waters a moderate chop. Slight chance of showers and thunderstorms in the afternoon. .SUNDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters a light chop. Patchy fog after midnight. Chance of showers after midnight. .MONDAY...Southwest winds 5 to 10 knots. Lake waters a light chop. Chance of showers and slight chance of thunderstorms in the morning, then showers likely and chance of thunderstorms in the afternoon. .MONDAY NIGHT...West southwest winds 5 to 10 knots becoming south southeast late in the evening. Lake waters a light chop. Chance of thunderstorms in the evening. Chance of showers through the night. .TUESDAY...Southwest winds 5 to 15 knots. Lake waters a moderate chop. Chance of showers and slight chance of thunderstorms in the morning, then showers likely and chance of thunderstorms in the afternoon. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters a light chop. Slight chance of thunderstorms in the evening. Chance of showers through the night. .WEDNESDAY...West winds 5 to 10 knots. Lake waters a light chop. Chance of showers and slight chance of thunderstorms in the morning, then showers likely and chance of thunderstorms in the afternoon. .WEDNESDAY NIGHT...North winds 5 to 10 knots. Lake waters a light chop. Slight chance of showers in the evening. .THURSDAY...Northeast winds around 10 knots. Lake waters a light chop. Slight chance of showers in the afternoon. $$