Hazardous marine condition(s):
Hazardous Weather Outlook
Small Craft Advisory
ANZ500-182000-
1057 AM EDT Sat Jul 18 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A strong cold front will drop through the region tonight into
Sunday. High pressure will build north of the area Monday before the
next cold front approaches by midweek. Small Craft Advisories may
be needed for portions of the waters Sunday, and again Monday night
through Wednesday. Special Marine Warnings will likely be needed
through this evening.
$$
ANZ539-182000- Chester River to Queenstown MD- 1057 AM EDT Sat Jul 18 2026 SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING REST OF TODAY S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. Areas of smoke late this morning, then patchy smoke this afternoon. Numerous showers and tstms this afternoon. Vsby 1 to 3 NM...decreasing to 1 NM or less this afternoon. TONIGHT W winds 5 to 10 kt with gusts to 20 kt. Waves 1 to 2 ft. Numerous showers and tstms. SUN N winds 5 to 10 kt. Waves 1 ft. SUN NIGHT NE winds 5 to 10 kt. Waves 1 ft. MON E winds 5 to 10 kt. Waves 1 ft or less. MON NIGHT S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. TUE S winds 10 to 15 kt. Waves 1 to 2 ft. A chance of tstms. A chance of showers in the morning, then showers. WED W winds 10 to 15 kt...becoming NW 5 to 10 kt. Waves 1 to 2 ft. Showers likely in the morning, then a chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$
ANZ539-182000- Chester River to Queenstown MD- 1057 AM EDT Sat Jul 18 2026 SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING REST OF TODAY S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. Areas of smoke late this morning, then patchy smoke this afternoon. Numerous showers and tstms this afternoon. Vsby 1 to 3 NM...decreasing to 1 NM or less this afternoon. TONIGHT W winds 5 to 10 kt with gusts to 20 kt. Waves 1 to 2 ft. Numerous showers and tstms. SUN N winds 5 to 10 kt. Waves 1 ft. SUN NIGHT NE winds 5 to 10 kt. Waves 1 ft. MON E winds 5 to 10 kt. Waves 1 ft or less. MON NIGHT S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. TUE S winds 10 to 15 kt. Waves 1 to 2 ft. A chance of tstms. A chance of showers in the morning, then showers. WED W winds 10 to 15 kt...becoming NW 5 to 10 kt. Waves 1 to 2 ft. Showers likely in the morning, then a chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$