Minor

Minimal to no known threat to life or property

Small Craft Advisory 04/21/2025 12:56 for areas

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Highest gusts up to 35 kts from the west and highest<br /> waves around 7 feet. * WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI<br /> including Bois Blanc Island, Presque Isle Light to Sturgeon Pt<br /> MI Including Thunder Bay National Marine Sanctuary and<br /> Sturgeon Pt to Alabaster MI. * WHEN...Until 6 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Instruction:<br />

Small Craft Advisory 04/21/2025 12:56 for areas

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Highest gusts up to 35 kts from the west and highest<br /> waves around 7 feet. * WHERE...Seul Choix Point to 5NM West of Mackinac Bridge. * WHEN...Until 8 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Instruction:<br /> Inexperienced mariners, especially those operating smaller<br /> vessels, should avoid navigating in hazardous conditions.

Small Craft Advisory 04/21/2025 12:56 for areas

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Highest gusts up to 30 kts from the northwest and<br /> highest waves around 8 feet. * WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point<br /> Iroquois MI and St. Marys River Point Iroquois to E.<br /> Potagannissing Bay. * WHEN...Until 6 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Instruction:<br /> Inexperienced mariners, especially those operating smaller<br /> vessels, should avoid navigating in hazardous conditions.

Flood Advisory 04/21/2025 12:54 for Louisiana areas

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of southeast Louisiana, including the following<br /> parishes, Jefferson and St. Charles. * WHEN...Until 600 PM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS...<br /> - At 254 PM CDT, Doppler radar indicated heavy rain due to<br /> thunderstorms. Minor flooding is ongoing or expected to begin<br /> shortly in the advisory area.<br />

Small Craft Advisory 04/21/2025 12:50 for areas

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...West to northwest winds 15 to 20 kt with gusts up to 30<br /> kt and waves 2 to 5 ft. * WHERE...Lake Michigan nearshore waters from Washington Island<br /> to Sturgeon Bay. * WHEN...Until 10 PM CDT this evening. * IMPACTS...Conditions will be hazardous to small craft. Instruction:<br /> Inexperienced mariners, especially those operating smaller<br /> vessels, should avoid navigating in hazardous conditions.

Small Craft Advisory 04/21/2025 12:50 for areas

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...West to northwest winds 10 to 20 kt with gusts up to 30<br /> kt and waves up to 3 ft. * WHERE...Central and Southern Bay of Green Bay. * WHEN...Until 10 PM CDT this evening. * IMPACTS...Conditions will be hazardous to small craft. Instruction:<br /> Inexperienced mariners, especially those operating smaller<br /> vessels, should avoid navigating in hazardous conditions.

Small Craft Advisory 04/21/2025 12:49 for areas

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...West winds 15 to 25 knots and waves 3 to 6 feet<br /> expected. * WHERE...The nearshore waters of Lake Ontario from Sodus Bay to<br /> the Saint Lawrence River. * WHEN...From 8 AM to 11 PM EDT Tuesday. * IMPACTS...Winds and/or waves will cause hazardous conditions<br /> that could capsize or damage small craft. Instruction:<br /> Inexperienced mariners, especially those operating smaller<br /> vessels, should avoid navigating in hazardous conditions.

Small Craft Advisory 04/21/2025 12:49 for areas

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Southwest winds 15 to 25 knots expected. * WHERE...The Upper Niagara River and Buffalo Harbor. * WHEN...From 8 PM this evening to 5 PM EDT Tuesday. * IMPACTS...Winds and/or waves will cause hazardous conditions<br /> that could capsize or damage small craft. Instruction:<br /> Inexperienced mariners, especially those operating smaller<br /> vessels, should avoid navigating in hazardous conditions.

Small Craft Advisory 04/21/2025 12:49 for areas

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Southwest winds 15 to 25 knots and waves 3 to 5 feet<br /> expected. * WHERE...The nearshore waters of Lake Erie from Ripley to<br /> Buffalo. * WHEN...From 8 PM this evening to 8 PM EDT Tuesday. * IMPACTS...Winds and/or waves will cause hazardous conditions<br /> that could capsize or damage small craft. Instruction:<br /> Inexperienced mariners, especially those operating smaller<br /> vessels, should avoid navigating in hazardous conditions.

Frost Advisory 04/21/2025 12:40 for California areas

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Trinity County. * WHEN...From 2 AM to 9 AM PDT Tuesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive<br /> outdoor plants may be killed if left uncovered. Instruction:<br /> Take steps now to protect tender plants from the cold.
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