Coastal Waters Forecast
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
670 FZUS51 KLWX 240257 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 957 PM EST Sun Nov 23 2025 Tidal Potomac River and Maryland portion of Chesapeake Bay. Forecasts of wave heights do not include effects of wind direction relative to tidal currents. Expect higher waves when winds are blowing against the tidal flow. Waves flat where waters are iced over. ANZ500-240900- 957 PM EST Sun Nov 23 2025 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... High pressure will return today into Monday before another low pressure system and series of fronts cross Tuesday into the middle part of the week. Small Craft Advisories will likely be needed Tuesday into Wednesday. $$ ANZ535-240900- Tidal Potomac from Key Bridge to Indian Head- 957 PM EST Sun Nov 23 2025 .REST OF TONIGHT...NW winds 5 kt. Waves less than 1 ft. .MON...W winds around 5 kt. Waves 1 ft. .MON NIGHT...S winds around 5 kt. Waves 1 ft. .TUE...S winds 5 to 10 kt. Waves 1 ft. Rain likely. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain likely. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of rain. .WED NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .THU...W winds 10 to 15 kt. Waves 1 ft. .FRI...W winds 10 to 15 kt...becoming NW 5 kt after midnight. Waves 1 ft. $$ ANZ536-240900- Tidal Potomac from Indian Head to Cobb Island- 957 PM EST Sun Nov 23 2025 .REST OF TONIGHT...NW winds 5 to 10 kt. Waves 1 ft. .MON...NW winds around 5 kt. Waves 1 ft. .MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. .TUE...S winds 5 to 10 kt. Waves 1 ft. Rain likely. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain likely. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of rain. .WED NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .THU...W winds 10 to 15 kt. Waves 1 to 2 ft. .FRI...W winds 10 to 15 kt...becoming NW 5 kt after midnight. Waves 1 to 2 ft. $$ ANZ537-240900- Tidal Potomac from Cobb Island to Smith Point- 957 PM EST Sun Nov 23 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST MONDAY... .REST OF TONIGHT...NW winds 10 kt with gusts to 20 kt. Waves 1 to 2 ft. .MON...NW winds 5 to 10 kt...becoming SE late. Waves 1 ft. .MON NIGHT...S winds 5 to 10 kt. Waves 1 ft or less. .TUE...S winds 5 to 10 kt. Waves 1 ft. A chance of rain. .TUE NIGHT...S winds 10 to 15 kt. Waves 1 ft. Rain. .WED...SW winds 10 kt. Waves 1 ft. A chance of rain. .WED NIGHT...W winds 15 to 20 kt. Waves 2 ft. .THU...W winds 15 to 20 kt. Waves 2 ft. .FRI...NW winds 10 to 15 kt. Waves 1 to 2 ft. $$ ANZ530-240900- Chesapeake Bay north of Pooles Island- 957 PM EST Sun Nov 23 2025 .REST OF TONIGHT...W winds 10 kt. Waves 1 ft. .MON...NW winds 5 to 10 kt...becoming SW late. Waves 1 ft. .MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. .TUE...S winds 5 to 10 kt. Waves 1 ft. Rain likely. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of rain. .WED NIGHT...W winds 20 to 25 kt. Waves 2 ft. .THU...W winds 15 to 20 kt. Waves 2 ft. .FRI...W winds 15 to 20 kt. Waves 1 to 2 ft. $$ ANZ531-240900- Chesapeake Bay from Pooles Island to Sandy Point- 957 PM EST Sun Nov 23 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST MONDAY... .REST OF TONIGHT...NW winds 10 kt with gusts to 20 kt. Waves 1 ft. .MON...NW winds 5 to 10 kt...becoming S late. Waves 1 ft. .MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. .TUE...S winds 10 kt. Waves 1 ft. Rain likely. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of rain. .WED NIGHT...W winds 20 to 25 kt. Waves 3 ft. .THU...W winds 20 to 25 kt. Waves 3 ft. .FRI...W winds 20 to 25 kt...becoming NW 10 to 15 kt after midnight. Waves 2 to 3 ft. $$ ANZ538-240900- Patapsco River including Baltimore Harbor- 957 PM EST Sun Nov 23 2025 .REST OF TONIGHT...NW winds 5 kt. Waves less than 1 ft. .MON...NW winds 5 kt. Waves less than 1 ft. .MON NIGHT...S winds around 5 kt. Waves flat. .TUE...S winds 5 to 10 kt. Waves 1 ft. Rain. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain likely. .WED...SW winds 5 to 10 kt. Waves 1 ft or less. A chance of rain. .WED NIGHT...W winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. .THU...W winds 15 to 20 kt. Waves 1 to 2 ft. .FRI...W winds 15 to 20 kt...diminishing to 5 to 10 kt after midnight. Waves 1 to 2 ft. $$ ANZ539-240900- Chester River to Queenstown MD- 957 PM EST Sun Nov 23 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST MONDAY... .REST OF TONIGHT...NW winds 10 kt. Waves 1 to 2 ft. .MON...NW winds 5 to 10 kt...becoming S late. Waves 1 ft. .MON NIGHT...S winds 5 to 10 kt. Waves 1 ft or less. .TUE...S winds 5 to 10 kt. Waves 1 ft. Rain likely. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of rain. .WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .THU...W winds 15 to 20 kt. Waves 3 ft. .FRI...W winds 15 to 20 kt...becoming NW 10 kt after midnight. Waves 2 to 3 ft. $$ ANZ532-240900- Chesapeake Bay from Sandy Point to North Beach- 957 PM EST Sun Nov 23 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST MONDAY... .REST OF TONIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .MON...N winds 5 to 10 kt...becoming SE late. Waves 1 ft. .MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. .TUE...S winds 10 kt. Waves 1 to 2 ft. Rain likely. .TUE NIGHT...S winds 10 kt. Waves 2 ft. Rain. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of rain. .WED NIGHT...W winds 20 to 25 kt. Waves 2 to 3 ft. .THU...W winds 20 to 25 kt. Waves 3 ft. .FRI...W winds 20 to 25 kt...becoming NW 10 to 15 kt after midnight. Waves 2 to 3 ft. $$ ANZ540-240900- Eastern Bay- 957 PM EST Sun Nov 23 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST MONDAY... .REST OF TONIGHT...NW winds 10 kt with gusts to 20 kt. Waves 1 ft. .MON...NW winds 5 to 10 kt...becoming S late. Waves 1 ft. .MON NIGHT...S winds 5 to 10 kt. Waves 1 ft or less. .TUE...S winds 5 to 10 kt. Waves 1 ft. Rain likely. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of rain. .WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .THU...W winds 15 to 20 kt. Waves 2 ft. .FRI...W winds 15 to 20 kt. Waves 1 to 2 ft. $$ ANZ533-240900- Chesapeake Bay from North Beach to Drum Point- 957 PM EST Sun Nov 23 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST MONDAY... .REST OF TONIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .MON...NW winds 5 to 10 kt...becoming SE late. Waves 1 ft. .MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. .TUE...S winds 10 kt. Waves 1 ft. Rain likely. .TUE NIGHT...S winds 10 to 15 kt. Waves 2 ft. Rain. .WED...SW winds 10 to 15 kt. Waves 1 to 2 ft. A chance of rain. .WED NIGHT...W winds 20 to 25 kt. Waves 3 ft. .THU...W winds 20 to 25 kt. Waves 3 ft. .FRI...W winds 20 to 25 kt...becoming NW 10 to 15 kt after midnight. Waves 2 to 3 ft. $$ ANZ541-240900- Choptank River to Cambridge MD and the Little Choptank River- 957 PM EST Sun Nov 23 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST MONDAY... .REST OF TONIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .MON...NW winds 5 to 10 kt...becoming SE late. Waves 1 ft. .MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. .TUE...S winds 10 kt. Waves 1 ft. Rain likely. .TUE NIGHT...S winds 10 to 15 kt. Waves 1 ft. Rain. .WED...SW winds 10 kt. Waves 1 ft. A chance of rain. .WED NIGHT...W winds 20 to 25 kt. Waves 2 to 3 ft. .THU...W winds 20 to 25 kt. Waves 2 to 3 ft. .FRI...NW winds 15 to 20 kt. Waves 2 to 3 ft. $$ ANZ542-240900- Patuxent River to Broomes Island MD- 957 PM EST Sun Nov 23 2025 .REST OF TONIGHT...NW winds 5 to 10 kt. Waves 1 ft. .MON...N winds 5 kt. Waves less than 1 ft. .MON NIGHT...S winds 5 kt. Waves less than 1 ft. .TUE...S winds 5 to 10 kt. Waves 1 ft. Rain likely. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of rain. .WED NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .THU...W winds 10 to 15 kt. Waves 1 ft. .FRI...NW winds 10 to 15 kt. Waves 1 ft. $$ ANZ534-240900- Chesapeake Bay from Drum Point to Smith Point- 957 PM EST Sun Nov 23 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST MONDAY... .REST OF TONIGHT...NW winds 15 kt with gusts to 20 kt. Waves 2 ft. .MON...N winds 5 to 10 kt. Waves 1 to 2 ft. .MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. .TUE...S winds 10 to 15 kt. Waves 1 to 2 ft. A chance of rain. .TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Rain. .WED...SW winds 10 to 15 kt. Waves 2 ft. A chance of rain. .WED NIGHT...W winds 15 to 20 kt...becoming NW 20 to 25 kt after midnight. Waves 3 ft. .THU...W winds 20 to 25 kt. Waves 3 ft. .FRI...NW winds 20 to 25 kt. Waves 3 ft. $$ ANZ543-240900- Tangier Sound and the inland waters surrounding Bloodsworth Island- 957 PM EST Sun Nov 23 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST MONDAY... .REST OF TONIGHT...NW winds 15 kt with gusts to 20 kt. Waves 1 ft. .MON...NW winds 5 to 10 kt. Waves 1 ft. .MON NIGHT...S winds 5 to 10 kt. Waves 1 ft or less. .TUE...S winds 10 to 15 kt. Waves 1 ft. A chance of rain. .TUE NIGHT...S winds 15 to 20 kt. Waves 2 ft. Rain. .WED...SW winds 10 to 15 kt. Waves 1 ft. A chance of rain. .WED NIGHT...W winds 15 to 20 kt...becoming NW 20 to 25 kt after midnight. Waves 2 ft. .THU...W winds 15 to 20 kt...increasing to 25 to 30 kt. Waves 2 ft. .FRI...NW winds 20 to 25 kt. Waves 2 ft. $$