047 WHUS73 KGRR 181534 MWWGRR URGENT - MARINE WEATHER MESSAGE National Weather Service Grand Rapids MI 1134 AM EDT Mon May 18 2026 LMZ846>849-182345- /O.CON.KGRR.SC.Y.0034.000000T0000Z-260520T0000Z/ Holland to Grand Haven MI-Grand Haven to Whitehall MI- Whitehall to Pentwater MI-Pentwater to Manistee MI- 1134 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT TUESDAY... * WHAT...South winds to 30 knots and waves 5 to 8 feet. * WHERE...Holland to Manistee. * WHEN...Until 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ844-845-182345- /O.CON.KGRR.SC.Y.0035.260519T0600Z-260520T0000Z/ St Joseph to South Haven MI-South Haven to Holland MI- 1134 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 PM EDT TUESDAY... * WHAT...Southwest winds to 30 knots and waves 2 to 5 feet expected. * WHERE...St Joseph to Holland. * WHEN...From 2 AM to 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$  613 WHUS76 KMTR 181548 MWWMTR URGENT - MARINE WEATHER MESSAGE National Weather Service San Francisco Bay Area 848 AM PDT Mon May 18 2026 PZZ530-182200- /O.EXP.KMTR.GL.W.0016.000000T0000Z-260518T1600Z/ /O.EXB.KMTR.SC.Y.0056.260518T1600Z-260518T2200Z/ San Pablo Bay, Suisun Bay, the West Delta and the San Francisco Bay north of the Bay Bridge- 848 AM PDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON... ...GALE WARNING WILL EXPIRE AT 9 AM PDT THIS MORNING... * WHAT...North winds 15 to 25 kt with occasional gusts up to 35 kt and rough waters expected. * WHERE...San Pablo Bay, Suisun Bay, the West Delta and the San Francisco Bay north of the Bay Bridge. * WHEN...Until 3 PM PDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ576-181700- /O.EXP.KMTR.SC.Y.0056.000000T0000Z-260518T1600Z/ Waters from Point Pinos to Point Piedras Blancas 10-60 NM- 848 AM PDT Mon May 18 2026 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 9 AM PDT THIS MORNING... Conditions have dropped below advisory criteria, therefore the Small Craft Advisory will be allowed to expire. $$ PZZ565-181700- /O.EXP.KMTR.SC.Y.0056.000000T0000Z-260518T1600Z/ Coastal Waters from Point Pinos to Point Piedras Blancas California out to 10 NM- 848 AM PDT Mon May 18 2026 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 9 AM PDT THIS MORNING... Conditions have dropped below advisory criteria, therefore the Small Craft Advisory will be allowed to expire. $$ PZZ531-181700- /O.EXP.KMTR.SC.Y.0056.000000T0000Z-260518T1600Z/ San Francisco Bay South of the Bay Bridge- 848 AM PDT Mon May 18 2026 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 9 AM PDT THIS MORNING... Conditions have dropped below advisory criteria, therefore the Small Craft Advisory will be allowed to expire. $$ PZZ570-190000- /O.CON.KMTR.SC.Y.0056.000000T0000Z-260520T1000Z/ Waters from Point Arena to Point Reyes 10-60 NM- 848 AM PDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT WEDNESDAY... * WHAT...North winds 15 to 25 kt with gusts up to 35 kt and seas 9 to 13 ft. * WHERE...Waters from Point Arena to Point Reyes 10-60 NM. * WHEN...Until 3 AM PDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ571-190000- /O.CON.KMTR.SC.Y.0056.000000T0000Z-260520T1000Z/ Waters from Point Reyes to Pigeon Point 10-60 NM- 848 AM PDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT WEDNESDAY... * WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and seas 8 to 12 ft. * WHERE...Waters from Point Reyes to Pigeon Point 10-60 NM. * WHEN...Until 3 AM PDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ575-190000- /O.CON.KMTR.SC.Y.0056.000000T0000Z-260519T1600Z/ Waters from Pigeon Point to Point Pinos 10-60 NM- 848 AM PDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT TUESDAY... * WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and seas 8 to 11 ft. * WHERE...Waters from Pigeon Point to Point Pinos 10-60 NM. * WHEN...Until 9 AM PDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ540-190000- /O.CON.KMTR.SC.Y.0056.000000T0000Z-260519T1000Z/ Coastal Waters from Point Arena to Point Reyes California out to 10 NM- 848 AM PDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT TUESDAY... * WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and seas 8 to 10 ft. * WHERE...Coastal Waters from Point Arena to Point Reyes California out to 10 NM. * WHEN...Until 3 AM PDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ545-190000- /O.CON.KMTR.SC.Y.0056.000000T0000Z-260519T1000Z/ Coastal Waters from Point Reyes to Pigeon Point California out to 10 NM- 848 AM PDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT TUESDAY... * WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt. * WHERE...Coastal Waters from Point Reyes to Pigeon Point California out to 10 NM. * WHEN...Until 3 AM PDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ560-190000- /O.CON.KMTR.SC.Y.0056.000000T0000Z-260519T0400Z/ Coastal Waters from Pigeon Point to Point Pinos California out to 10 NM- 848 AM PDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt. * WHERE...Coastal Waters from Pigeon Point to Point Pinos California out to 10 NM. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ535-190000- /O.CON.KMTR.SC.Y.0056.000000T0000Z-260519T0400Z/ Monterey Bay- 848 AM PDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt. * WHERE...Monterey Bay. * WHEN...Until 9 PM PDT this evening. * 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