####018001890#### FZMY50 PGUM 171805 CWFGUM Coastal Waters Forecast for the Mariana Islands National Weather Service Tiyan GU 405 AM ChST Sat May 18 2024 Marianas Waters out to 40 nautical miles PMZ150-180800- 405 AM ChST Sat May 18 2024 .Synopsis for Marianas Waters...The pressure gradient will tighten between high pressure to our north and a tropical disturbance south of the Marianas. Moderate trade winds today will become fresh to potentially strong, and combined seas of 5 to 8 feet will gradually build to 6 to 9 feet on Sunday. A Small Craft Advisory may be needed by Monday. $$ PMZ151-152-180800- Guam Coastal Waters-Rota Coastal Waters- 405 AM ChST Sat May 18 2024 .TODAY...East wind 10 to 20 kt. Wind waves 2 to 4 ft. East swell 5 to 6 ft. .TONIGHT...East wind 10 to 15 kt. Wind waves 2 to 3 ft. East swell 4 to 6 ft. .SUNDAY...East wind 15 to 20 kt. Wind waves 3 to 4 ft. East swell 5 to 7 ft. .SUNDAY NIGHT AND MONDAY...East wind 15 to 20 kt with gusts to 25 kt. Wind waves 3 to 5 ft. Northeast swell 6 to 8 ft. .TUESDAY...East wind 15 to 20 kt. Wind waves 3 to 4 ft. East swell 6 to 8 ft. Chance of showers. .WEDNESDAY...East wind 15 kt with gusts to 25 kt. Wind waves 3 to 4 ft. East swell 6 to 8 ft. Chance of showers and slight chance of thunderstorms. $$ PMZ153-154-180800- Tinian Coastal Waters-Saipan Coastal Waters- 405 AM ChST Sat May 18 2024 .TODAY...East wind 15 kt. Wind waves 3 ft. East swell 5 to 6 ft. .TONIGHT AND SUNDAY...East wind 15 to 20 kt. Wind waves 3 to 4 ft. East swell 5 to 7 ft. .SUNDAY NIGHT THROUGH TUESDAY...East wind 15 to 20 kt with gusts to 25 kt. Wind waves 3 to 5 ft. Northeast swell 6 to 8 ft. .WEDNESDAY...East wind 15 kt with gusts to 25 kt. Wind waves 3 to 4 ft. East swell 6 to 8 ft. Chance of showers. $$ Simpson ####018005560#### FZUS52 KJAX 171807 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 207 PM EDT Fri May 17 2024 Atlantic Coastal Waters from Altamaha Sound GA to Flagler Beach FL out to 60 nm. Seas are provided as a range of the average height of the highest 1/3 of the waves, along with the occasional height of the average highest 1/10 of the waves. AMZ400-180715- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 207 PM EDT Fri May 17 2024 .SYNOPSIS... Weak high pressure will linger today before a weak area of low pressure lifts to the north tonight, dragging a warm into the waters from the west. A slow moving cold front trailing the low will gradually push across the water late Saturday through Sunday, renewing chances for thunderstorms. Winds will turn northerly as high pressure wedges against a low pressure situated northeast of the waters early next week. High pressure builds directly over the waters during the middle part of next week. .GULF STREAM... The approximate location of the west wall of the Gulf Stream as of May 16, 2024 at 1200 UTC... 64 nautical miles east of Flagler Beach. 73 nautical miles east of Saint Augustine Beach. 82 nautical miles east of Jacksonville Beach. 97 nautical miles east southeast of St Simons Island. This data courtesy of the Naval Oceanographic Office. $$ AMZ450-452-454-180715- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 207 PM EDT Fri May 17 2024 .REST OF TODAY...Southeast winds around 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. Intracoastal waters light chop. .TONIGHT...South winds 10 to 15 knots, becoming southwest 5 to 10 knots after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms in the evening. .SATURDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. Intracoastal waters light chop. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .SATURDAY NIGHT...Southwest winds around 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds. Intracoastal waters light chop. A chance of thunderstorms. Showers. .SUNDAY...West winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds. Intracoastal waters light chop. Showers likely with a chance of thunderstorms. .SUNDAY NIGHT...Northwest winds 5 to 10 knots, becoming north 10 to 15 knots after midnight. Seas around 2 feet. Wave Detail: North 2 feet at 3 seconds. Intracoastal waters a moderate chop. A chance of showers and thunderstorms, mainly in the evening. .MONDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop. A slight chance of thunderstorms. A chance of showers, mainly in the morning. .MONDAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms in the evening. A slight chance of showers through the day. A slight chance of thunderstorms in the afternoon. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Intracoastal waters light chop. Winds and waves higher in and near thunderstorms. $$ AMZ470-472-474-180715- Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60 NM- Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM- Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM- 207 PM EDT Fri May 17 2024 .REST OF TODAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. .TONIGHT...South winds 10 to 15 knots, becoming southwest after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds. A slight chance of showers and thunderstorms in the evening. .SATURDAY...Southwest winds 10 to 15 knots, becoming south 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms in the afternoon. .SATURDAY NIGHT...South winds 10 to 15 knots, becoming west after midnight. Seas 2 to 3 feet. Wave Detail: Southwest 3 feet at 4 seconds and northeast 2 feet at 8 seconds. A chance of thunderstorms. Showers. .SUNDAY...West winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: West 2 feet at 4 seconds and southeast 2 feet at 5 seconds. Showers likely with a chance of thunderstorms. .SUNDAY NIGHT...Northwest winds 5 to 10 knots, becoming north 10 to 15 knots after midnight. Seas 2 to 3 feet. Wave Detail: North 2 feet at 3 seconds and northeast 2 feet at 8 seconds. A chance of thunderstorms. Showers likely, mainly in the evening. .MONDAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. A slight chance of thunderstorms. .TUESDAY...Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. A slight chance of thunderstorms. A slight chance of showers. Winds and seas higher in and near thunderstorms. $$