Coastal Marine Weather In Miami FL

Miami Florida for 05-20-2026

# Florida Coastal Waters Forecast: A Week of Easterly Winds and Scattered Storms The National Weather Service in Miami has issued a comprehensive coastal forecast for Florida waters covering the Atlantic from Jupiter Inlet to Ocean Reef and the Gulf from East Cape Sable to Bonita Beach. Issued Wednesday morning in late May, this forecast highlights a period of persistent easterly winds with isolated thunderstorm activity expected throughout the week. Light to moderate easterly breezes will dominate the local waters during the latter half of the week, with afternoon sea breezes developing across Gulf waters. The forecast suggests that scattered showers will remain possible each day, particularly favoring Gulf waters under the easterly wind regime. Mariners should remain vigilant, as gustier winds and rough seas are possible in and around thunderstorm activity. The current Gulf Stream location shows the west wall positioned approximately one nautical mile north-northeast of Fowey Rocks, extending eastward with increasing distance from other reference points. Atlantic coastal waters from Jupiter Inlet to Ocean Reef can expect moderate conditions early in the week. Today and tonight will bring easterly winds of ten to fifteen knots with seas around two to three feet. Thursday conditions remain similar, but seas will gradually increase Friday through Sunday. By Saturday and Sunday, seas will build to three to five feet with occasional heights reaching six feet, accompanied by easterly winds of fifteen to twenty knots. The Gulf waters from Chokoloskee to Bonita Beach will experience generally calmer conditions, with lighter winds and smaller seas throughout the forecast period. Seas will remain around two feet most of the week, with bay and inland waters experiencing light chop. Lake Okeechobee and Biscayne Bay will see moderate chop developing, particularly during afternoon hours when wind speeds increase. Both areas face chances of showers and thunderstorms continuing through the weekend. Overall, this forecast period presents relatively manageable conditions for most mariners, though boaters should prepare for increasing seas and potential thunderstorm impacts as the weekend approaches.

Miami Florida for 05-03-2026

# Coastal Waters Forecast: Florida Waters Expect Shifting Winds and Scattered Storms The National Weather Service in Miami has issued updated coastal waters forecasts for Florida, valid through Thursday. Meteorologists are tracking a frontal boundary moving southward across local waters, bringing significant wind shifts and the potential for scattered thunderstorms throughout the forecast period. Today will see northwest winds becoming northerly and then northeasterly as the frontal system progresses. While conditions remain below hazardous levels, the northern Atlantic waters may experience brief periods of small craft exercise caution conditions. Seas along the Atlantic coast from Jupiter Inlet to Ocean Reef will range from three to five feet, occasionally reaching six feet. The intracoastal waters will develop light to moderate chop. Boaters should prepare for showers and thunderstorms, with locally elevated wave heights and wind speeds possible near storm activity. The forecast frontal boundary is expected to stall over the Florida Straits tonight, keeping winds breezy but manageable across all local waters. Northeastern winds will persist at ten to fifteen knots through the overnight hours, with rain and thunderstorm activity remaining likely, particularly in the evening. Monday brings northeast winds gusting up to twenty knots during the afternoon, with seas building to four to six feet, occasionally reaching eight feet along the Atlantic coast. Showers and thunderstorms remain possible throughout the day. By Monday night, conditions begin moderating slightly as winds shift easterly. Tuesday marks the beginning of a trend toward calmer conditions. East winds of ten to fifteen knots will prevail, with seas gradually diminishing to two to four feet. A chance of showers and afternoon thunderstorms remains, but activity should be less organized than previous days. By Wednesday and Thursday, conditions significantly improve with southwest winds becoming more prevalent and seas dropping to around two feet. The intracoastal waters will develop only light chop. The Gulf Stream's western wall remains approximately eight to eleven nautical miles east of the mainland, based on data current through April twenty-ninth. Mariners should monitor conditions closely as the system evolves, particularly regarding localized wind and wave increases associated with thunderstorm activity. This content was created in partnership and with the help of Artificial Intelligence AI.

Miami Florida for 05-02-2026

# Coastal Waters Forecast: Breezy Weekend Ahead for South Florida A dynamic weather pattern is unfolding across South Florida's coastal waters this weekend, as a frontal boundary slides southward bringing enhanced southerly winds and the potential for scattered showers and thunderstorms. Throughout today, boaters should expect breezy to gusty conditions, particularly across the Atlantic waters north of Deerfield Beach, where a Small Craft Advisory remains in effect from noon through this evening. Southerly winds of fifteen to twenty knots with gusts up to twenty-five knots will accompany seas of two to four feet, occasionally reaching five feet. The National Weather Service Miami office notes that Gulf Stream hazards are possible in these northern Atlantic waters this afternoon and evening. Southern Gulf waters will experience lighter conditions with southwest winds of ten to fifteen knots and seas around two feet. Intracoastal waters across the region will develop a moderate chop as winds strengthen throughout the day. Tonight, winds will gradually diminish across the region as they shift to westerly directions. However, weakening showers and thunderstorm activity may move across Lake Okeechobee and local Gulf waters after midnight, potentially producing locally elevated winds and waves. Small craft operators should remain cautious during this period. Sunday brings a significant shift as the frontal boundary arrives early in the morning. Winds will rotate to northwest and then northerly directions, while rain chances increase substantially. Showers with chances of thunderstorms are expected to develop across most waters, particularly Biscayne Bay and the southern Atlantic coastal waters. Seas may occasionally reach five feet in the northern Atlantic waters. Monday continues unsettled conditions with northeast winds and persistent chances of showers and thunderstorms, especially in the morning hours. Seas will range from two to five feet across the Atlantic waters. By Tuesday through Wednesday, conditions gradually improve. Winds will shift to easterly and then southeasterly directions at ten to fifteen knots, with seas moderating to two to four feet. Thunderstorm activity diminishes significantly, and conditions become more favorable for recreational boating activities. Throughout this period, boaters are reminded that winds and seas may be higher in and near thunderstorms. This content was created in partnership and with the help of Artificial Intelligence AI.

Miami Florida for 05-01-2026

# Florida Coastal Waters Forecast: High Pressure Gives Way to Stormy Weekend Conditions across Florida's Atlantic and Gulf coastal waters will transition dramatically from calm and pleasant to unsettled and hazardous over the next few days, according to the latest National Weather Service forecast issued Friday morning. An area of high pressure currently dominating the region will keep conditions relatively mild through Saturday morning. Today, expect light to moderate southwest winds over Gulf waters and southerly to southeasterly winds across Atlantic zones, with seas ranging from two to three feet. However, northern Gulf Stream waters could see winds approaching small craft advisory thresholds this afternoon, particularly between Jupiter Inlet and Deerfield Beach. Saturday will bring increasing southerly winds of fifteen to twenty knots with gusts to twenty-five knots across most areas. Atlantic waters from Jupiter Inlet to Ocean Reef should brace for sustained small craft advisory conditions, with seas building to two to four feet and occasionally reaching five feet. These conditions will persist into Saturday night as the frontal system approaches the region. Everything changes Sunday and Sunday night. A frontal boundary moving into Florida during the second half of the weekend will introduce higher rain chances and locally hazardous conditions around showers and storms. Seas will build dramatically, reaching four to six feet and occasionally eight feet. Thunderstorms and showers become likely across most areas, with the heaviest activity expected Sunday afternoon through Sunday night. For boaters on Biscayne Bay and Lake Okeechobee, conditions will remain manageable until Sunday, when moderate to occasionally rough conditions develop with increased thunderstorm activity. Recovery begins Monday and continues through Tuesday as winds gradually diminish and the system moves offshore. However, another chance of showers and occasional thunderstorms will persist Monday morning, particularly across the Atlantic waters and inland lake areas. Those venturing onto Florida's coastal waters should closely monitor conditions Saturday through Sunday night and ensure their vessels are properly equipped and seaworthy. Small craft operators should consider postponing offshore trips during the critical Sunday through Sunday night window when seas and winds reach their peak intensity. This content was created in partnership and with the help of Artificial Intelligence AI.

Miami Florida for 04-26-2026

# Florida Coastal Waters Forecast: A Week of Changing Conditions The National Weather Service in Miami has issued a detailed forecast for Florida's coastal waters from Sunday through Thursday, painting a picture of gradually evolving conditions across the state's Atlantic and Gulf coasts. Sunday begins with gentle conditions as southerly winds of five to ten knots develop across local waters ahead of an approaching front. Sea heights remain minimal, generally less than two feet, with only a slight chance of scattered showers and thunderstorms expected late in the day, primarily across Atlantic waters. Boaters can expect light chop in intracoastal waters. As evening approaches, winds shift to southwesterly, and seas gradually increase to around two feet after midnight. These transitional conditions set the stage for Monday's activity as the front begins its slow push through the region. Monday brings variable winds as the system moves overhead. Northwest winds shift to northerly in the afternoon, keeping seas around two feet. The front's passage continues to present scattered shower and thunderstorm possibilities throughout the day and night. By Monday night, conditions noticeably shift as northeast winds develop, ranging from five to ten knots. This marks the beginning of a more energetic pattern, with seas building to two to four feet, occasionally reaching five feet. Wave details show northeast swells of three feet at ten-second intervals. Tuesday sees the most significant sea state changes of the forecast period. Northeast winds around ten knots accompany seas of three to five feet, occasionally reaching six feet. These conditions persist through Tuesday night as east winds establish themselves. Wednesday and Thursday bring westerly winds of ten to fifteen knots with seas moderating to two to four feet, occasionally reaching five feet. These final days of the forecast period show the system's influence gradually diminishing. The forecast note indicates the Gulf Stream's western wall runs several nautical miles offshore from Jupiter Inlet northward, which mariners should consider when planning offshore activities. Throughout the forecast period, Biscayne Bay and Lake Okeechobee experience similar wind-driven patterns, with conditions ranging from smooth to moderate chop. Boaters should monitor conditions closely as the front progresses and seas build midweek. This content was created in partnership and with the help of Artificial Intelligence AI.