738 WHUS76 KMTR 202100 MWWMTR URGENT - MARINE WEATHER MESSAGE National Weather Service San Francisco Bay Area 200 PM PDT Wed May 20 2026 PZZ570-210500- /O.CON.KMTR.SC.Y.0056.000000T0000Z-260521T2200Z/ Waters from Point Arena to Point Reyes 10-60 NM- 200 PM PDT Wed May 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT THURSDAY... * WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and seas 9 to 13 ft. * WHERE...Waters from Point Arena to Point Reyes 10-60 NM. * WHEN...Until 3 PM PDT Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ571-210500- /O.CON.KMTR.SC.Y.0056.000000T0000Z-260521T1600Z/ Waters from Point Reyes to Pigeon Point 10-60 NM- 200 PM PDT Wed May 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT THURSDAY... * WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and seas 7 to 12 ft. * WHERE...Waters from Point Reyes to Pigeon Point 10-60 NM. * WHEN...Until 9 AM PDT Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ For more information from the National Weather Service visit http://weather.gov/sanfrancisco  286 WHUS71 KLWX 202143 MWWLWX URGENT - MARINE WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 543 PM EDT Wed May 20 2026 ANZ533-542-210545- /O.EXB.KLWX.SC.Y.0088.000000T0000Z-260521T0000Z/ /O.CON.KLWX.SC.Y.0089.260521T1100Z-260521T2200Z/ Chesapeake Bay from North Beach to Drum Point MD- Patuxent River to Broomes Island MD- 543 PM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM TO 6 PM EDT THURSDAY... * WHAT...For the first Small Craft Advisory, southeast winds 10 to 15 kt with gusts up to 20 kt. For the second Small Craft Advisory, northeast winds 10 to 15 kt with gusts up to 20 kt expected. * WHERE...Chesapeake Bay from North Beach to Drum Point MD and Patuxent River to Broomes Island MD. * WHEN...For the first Small Craft Advisory, until 8 PM EDT this evening. For the second Small Craft Advisory, from 7 AM to 6 PM EDT Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ534-537-543-210545- /O.CON.KLWX.SC.Y.0088.000000T0000Z-260521T0300Z/ /O.CON.KLWX.SC.Y.0089.260521T1100Z-260522T1000Z/ Chesapeake Bay from Drum Point MD to Smith Point VA- Tidal Potomac from Cobb Island MD to Smith Point VA- Tangier Sound and the inland waters surrounding Bloodsworth Island- 543 PM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS EVENING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM THURSDAY TO 6 AM EDT FRIDAY... * WHAT...For the first Small Craft Advisory, south winds 10 to 15 kt with gusts up to 20 kt. For the second Small Craft Advisory, northeast winds 10 to 15 kt with gusts up to 25 kt expected. * WHERE...Chesapeake Bay from Drum Point MD to Smith Point VA, Tidal Potomac from Cobb Island MD to Smith Point VA and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN...For the first Small Craft Advisory, until 11 PM EDT this evening. For the second Small Craft Advisory, from 7 AM Thursday to 6 AM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ530>532-538>541-210545- /O.CON.KLWX.SC.Y.0089.260521T1100Z-260521T2200Z/ Chesapeake Bay north of Pooles Island MD- Chesapeake Bay from Pooles Island to Sandy Point MD- Chesapeake Bay from Sandy Point to North Beach MD- Patapsco River including Baltimore Harbor- Chester River to Queenstown MD-Eastern Bay- Choptank River to Cambridge MD and the Little Choptank River- 543 PM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM TO 6 PM EDT THURSDAY... * WHAT...Northeast winds 10 to 15 kt with gusts up to 20 kt expected. * WHERE...Chesapeake Bay north of North Beach MD, Patapsco River including Baltimore Harbor, Chester River to Queenstown MD, Eastern Bay, and Choptank River to Cambridge MD and the Little Choptank River. * WHEN...From 7 AM to 6 PM EDT Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$  625 WHUS76 KEKA 202148 MWWEKA URGENT - MARINE WEATHER MESSAGE National Weather Service Eureka CA 248 PM PDT Wed May 20 2026 PZZ475-210600- /O.CON.KEKA.GL.W.0015.000000T0000Z-260521T1700Z/ /O.NEW.KEKA.SE.W.0014.260521T1700Z-260523T0600Z/ Waters from Cape Mendocino to Pt. Arena CA from 10 to 60 nm- 248 PM PDT Wed May 20 2026 ...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM PDT THURSDAY... ...HAZARDOUS SEAS WARNING IN EFFECT FROM 10 AM THURSDAY TO 11 PM PDT FRIDAY... * WHAT...For the Gale Warning, north winds 20 to 30 kt with gusts up to 40 kt and seas 11 to 13 feet. For the Hazardous Seas Warning, very steep and hazardous seas 9 to 12 feet and north winds 20 to 30 kt with gusts up to 35 kt expected. * WHERE...Waters from Cape Mendocino to Pt. Arena CA from 10 to 60 nm. * WHEN...For the Gale Warning, until 10 AM PDT Thursday. For the Hazardous Seas Warning, from 10 AM Thursday to 11 PM PDT Friday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ PZZ470-210600- /O.EXT.KEKA.GL.W.0015.000000T0000Z-260523T0600Z/ Waters from Pt. St. George to Cape Mendocino CA from 10 to 60 nm- 248 PM PDT Wed May 20 2026 ...GALE WARNING NOW IN EFFECT UNTIL 11 PM PDT FRIDAY... * WHAT...North winds 25 to 35 kt with gusts up to 45 kt and seas 10 to 13 feet. * WHERE...Waters from Pt. St. George to Cape Mendocino CA from 10 to 60 nm. * WHEN...Until 11 PM PDT Friday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ PZZ450-210600- /O.EXT.KEKA.SC.Y.0049.000000T0000Z-260523T0600Z/ Coastal waters from Pt. St. George to Cape Mendocino CA out 10 nm- 248 PM PDT Wed May 20 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 11 PM PDT FRIDAY... * WHAT...North winds 15 to 25 kt with gusts up to 45 kt and seas 6 to 11 feet. * WHERE...Coastal waters from Pt. St. George to Cape Mendocino CA out 10 nm. * WHEN...Until 11 PM PDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ455-210600- /O.CON.KEKA.SC.Y.0049.000000T0000Z-260521T1700Z/ Coastal waters from Cape Mendocino to Pt. Arena CA out 10 nm- 248 PM PDT Wed May 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT THURSDAY... * WHAT...Northwest winds 15 to 25 kt with gusts up to 40 kt and seas 7 to 12 feet. * WHERE...Coastal waters from Cape Mendocino to Pt. Arena CA out 10 nm. * WHEN...Until 10 AM PDT Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$