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
404 FZUS51 KLWX 182358 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 658 PM EST Tue Nov 18 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. ANZ500-190900- 658 PM EST Tue Nov 18 2025 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... A wave of low pressure approaching from the Ohio River Valley will track along a stalled front over or just south of the Mid-Atlantic through Wednesday. The front will remain stalled just to the south through Thursday. Another area of low pressure may take a similar path Friday into Saturday. Small Craft Advisories may be needed Wednesday afternoon, and Friday night into Saturday. $$ ANZ535-190900- Tidal Potomac from Key Bridge to Indian Head- 658 PM EST Tue Nov 18 2025 .TONIGHT...SE winds 5 kt. Waves less than 1 ft. Rain. Patchy fog. Vsby 1 to 3 NM. .WED...N winds around 5 kt. Waves 1 ft. .WED NIGHT...N winds around 5 kt. Waves 1 ft. .THU...E winds around 5 kt. Waves 1 ft or less. .THU NIGHT...SE winds around 5 kt. Waves 1 ft. .FRI...SW winds around 5 kt. Waves 1 ft. .FRI NIGHT...NW winds around 5 kt. Waves 1 ft. Rain likely. .SAT...NE winds around 5 kt. Waves 1 ft. A chance of rain. .SUN...NW winds around 5 kt. Waves 1 ft or less. $$ ANZ536-190900- Tidal Potomac from Indian Head to Cobb Island- 658 PM EST Tue Nov 18 2025 .TONIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain. Vsby 1 to 3 NM. .WED...W winds 5 kt...becoming N in the afternoon. Waves 1 ft. .WED NIGHT...N winds around 5 kt. Waves 1 ft. .THU...E winds around 5 kt. Waves 1 ft or less. .THU NIGHT...SE winds around 5 kt. Waves 1 ft. .FRI...SW winds around 5 kt. Waves 1 ft. .FRI NIGHT...SW winds around 5 kt...becoming N after midnight. Waves 1 ft. Rain likely. .SAT...NE winds 5 to 10 kt. Waves 1 ft. A chance of rain. .SUN...NW winds around 5 kt. Waves 1 ft. $$ ANZ537-190900- Tidal Potomac from Cobb Island to Smith Point- 658 PM EST Tue Nov 18 2025 .TONIGHT...S winds 10 kt. Gusts up to 20 kt late this evening and overnight. Waves 1 ft. A chance of rain this evening, then rain likely after midnight. Vsby 1 to 3 NM. .WED...W winds 5 to 10 kt...becoming N in the afternoon. Gusts up to 20 kt. Waves 1 to 2 ft. .WED NIGHT...N winds 5 to 10 kt. Gusts up to 20 kt until early morning. Waves 1 to 2 ft. .THU...NE winds around 5 kt. Waves 1 ft. .THU NIGHT...SE winds around 5 kt. Waves flat. .FRI...SW winds 5 kt. Waves less than 1 ft. .FRI NIGHT...SW winds 5 kt...becoming N after midnight. Waves 1 ft or less. Rain likely. .SAT...NE winds 5 to 10 kt. Waves 1 ft. A chance of rain. .SUN...NW winds around 5 kt. Waves 1 ft or less. $$ ANZ530-190900- Chesapeake Bay north of Pooles Island- 658 PM EST Tue Nov 18 2025 .TONIGHT...S winds 5 kt. Waves less than 1 ft. Rain. Patchy fog. Vsby 1 to 3 NM. .WED...NE winds 5 kt. Waves less than 1 ft. A chance of rain. Patchy fog. Vsby 1 to 3 NM. .WED NIGHT...N winds around 5 kt. Waves 1 ft or less. .THU...E winds around 5 kt. Waves flat. .THU NIGHT...SE winds around 5 kt. Waves flat. .FRI...SW winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...NW winds 5 to 10 kt. Waves 1 ft or less. A chance of rain. .SAT...N winds 5 to 10 kt. Waves 1 ft or less. A chance of rain. .SUN...W winds around 5 kt. Waves flat. $$ ANZ531-190900- Chesapeake Bay from Pooles Island to Sandy Point- 658 PM EST Tue Nov 18 2025 .TONIGHT...S winds 10 kt...becoming SE late. Waves 1 ft. Rain. Patchy fog. Vsby 1 to 3 NM. .WED...NE winds 5 to 10 kt. Waves 1 ft. A chance of rain. Patchy fog. Vsby 1 to 3 NM. .WED NIGHT...N winds 5 to 10 kt. Waves 1 ft. .THU...E winds around 5 kt. Waves flat. .THU NIGHT...SE winds around 5 kt. Waves flat. .FRI...S winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...NW winds 5 to 10 kt. Waves 1 ft. Rain likely. .SAT...N winds 5 to 10 kt. Waves 1 ft. A chance of rain. .SUN...W winds 5 kt. Waves less than 1 ft. $$ ANZ538-190900- Patapsco River including Baltimore Harbor- 658 PM EST Tue Nov 18 2025 .TONIGHT...S winds 5 kt. Waves less than 1 ft. Rain. Patchy fog. Vsby 1 to 3 NM. .WED...NE winds 5 to 10 kt. Waves 1 ft. A chance of rain. Patchy fog. Vsby 1 to 3 NM. .WED NIGHT...N winds around 5 kt. Waves 1 ft or less. .THU...E winds around 5 kt. Waves flat. .THU NIGHT...S winds around 5 kt. Waves flat. .FRI...SW winds around 5 kt. Waves 1 ft or less. .FRI NIGHT...NW winds around 5 kt. Waves flat. Rain likely. .SAT...N winds around 5 kt. Waves 1 ft or less. A chance of rain. .SUN...W winds around 5 kt. Waves flat. $$ ANZ539-190900- Chester River to Queenstown MD- 658 PM EST Tue Nov 18 2025 .TONIGHT...S winds 5 to 10 kt...becoming SE after midnight. Waves 1 ft. Rain. Patchy fog. Vsby 1 to 3 NM. .WED...NE winds 5 kt...becoming N in the afternoon. Waves 1 ft. A chance of rain. Patchy fog. Vsby 1 to 3 NM. .WED NIGHT...N winds 5 to 10 kt. Waves 1 ft. .THU...E winds around 5 kt. Waves flat. .THU NIGHT...SE winds around 5 kt. Waves flat. .FRI...S winds 5 kt. Waves less than 1 ft. .FRI NIGHT...NW winds 5 to 10 kt. Waves 1 ft or less. Rain likely. .SAT...N winds 5 to 10 kt. Waves 1 ft. A chance of rain. .SUN...W winds around 5 kt. Waves 1 ft or less. $$ ANZ532-190900- Chesapeake Bay from Sandy Point to North Beach- 658 PM EST Tue Nov 18 2025 .TONIGHT...S winds 10 kt. Waves 1 to 2 ft. Rain. Patchy fog. Vsby 1 to 3 NM. .WED...S winds 5 to 10 kt...becoming N in the late morning and afternoon. Waves 1 to 2 ft. A chance of rain. Vsby 1 to 3 NM. .WED NIGHT...N winds 5 to 10 kt. Waves 1 to 2 ft. .THU...E winds around 5 kt. Waves 1 ft or less. .THU NIGHT...S winds around 5 kt. Waves 1 ft or less. .FRI...S winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...SW winds 5 kt...becoming N after midnight. Waves 1 ft. Rain likely. .SAT...N winds 5 to 10 kt. Waves 1 ft. A chance of rain. .SUN...N winds 5 to 10 kt...becoming W. Waves 1 ft or less. $$ ANZ540-190900- Eastern Bay- 658 PM EST Tue Nov 18 2025 .TONIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain. Patchy fog. Vsby 1 to 3 NM. .WED...S winds 5 kt...becoming N in the late morning and afternoon. Waves 1 ft. A chance of rain. Vsby 1 to 3 NM. .WED NIGHT...NE winds 5 to 10 kt. Waves 1 ft. .THU...E winds around 5 kt. Waves flat. .THU NIGHT...SE winds around 5 kt. Waves flat. .FRI...S winds 5 kt. Waves less than 1 ft. .FRI NIGHT...SW winds around 5 kt...becoming N after midnight. Waves 1 ft or less. Rain likely. .SAT...N winds 5 to 10 kt. Waves 1 ft. A chance of rain. .SUN...W winds around 5 kt. Waves flat. $$ ANZ533-190900- Chesapeake Bay from North Beach to Drum Point- 658 PM EST Tue Nov 18 2025 .TONIGHT...S winds 10 kt. Waves 1 to 2 ft. Rain. Vsby 1 to 3 NM. .WED...SW winds 5 to 10 kt...becoming NW 10 to 15 kt in the late morning and early afternoon, then becoming N late. Gusts up to 20 kt. Waves 1 to 2 ft. .WED NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt until early morning. Waves 1 to 2 ft. .THU...NE winds around 5 kt. Waves 1 ft or less. .THU NIGHT...SE winds around 5 kt. Waves 1 ft or less. .FRI...S winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...SW winds 5 kt...becoming NW after midnight. Waves 1 ft. Rain likely. .SAT...N winds 5 to 10 kt. Waves 1 ft. A chance of rain. .SUN...NW winds 5 to 10 kt...becoming W. Waves 1 ft or less. $$ ANZ541-190900- Choptank River to Cambridge MD and the Little Choptank River- 658 PM EST Tue Nov 18 2025 .TONIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain. Vsby 1 to 3 NM. .WED...S winds 5 to 10 kt...becoming N in the late morning and afternoon. Gusts up to 20 kt. Waves 1 ft. A chance of rain. .WED NIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt until early morning. Waves 1 ft. .THU...NE winds around 5 kt. Waves 1 ft or less. .THU NIGHT...SE winds around 5 kt. Waves flat. .FRI...S winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...SW winds 5 kt...becoming NW after midnight. Waves 1 ft. Rain likely. .SAT...NE winds 5 to 10 kt. Waves 1 ft. A chance of rain. .SUN...NW winds around 5 kt. Waves 1 ft or less. $$ ANZ542-190900- Patuxent River to Broomes Island MD- 658 PM EST Tue Nov 18 2025 .TONIGHT...SE winds 5 to 10 kt. Waves 1 ft. A chance of rain this evening, then rain after midnight. Patchy fog after midnight. Vsby 1 to 3 NM. .WED...SW winds 5 kt...becoming NW in the late morning and afternoon. Waves 1 ft. .WED NIGHT...N winds 5 to 10 kt. Waves 1 ft. .THU...NE winds around 5 kt. Waves 1 ft. .THU NIGHT...SE winds around 5 kt. Waves 1 ft. .FRI...SW winds 5 kt. Waves less than 1 ft. .FRI NIGHT...SW winds around 5 kt...becoming N after midnight. Waves 1 ft. Rain likely. .SAT...N winds 5 to 10 kt. Waves 1 ft. A chance of rain. .SUN...NW winds around 5 kt. Waves 1 ft. $$ ANZ534-190900- Chesapeake Bay from Drum Point to Smith Point- 658 PM EST Tue Nov 18 2025 .TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. A chance of rain this evening, then rain after midnight. Vsby 1 to 3 NM. .WED...W winds 10 kt...becoming N in the afternoon. Gusts up to 20 kt. Waves 2 ft. A chance of rain. .WED NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt until early morning. Waves 2 ft. .THU...NE winds 5 to 10 kt. Waves 1 ft. .THU NIGHT...SE winds around 5 kt. Waves 1 ft or less. .FRI...S winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...SW winds 5 kt...becoming N after midnight. Waves 1 ft. Rain likely. .SAT...N winds 10 kt. Waves 1 to 2 ft. A chance of rain. .SUN...N winds 5 to 10 kt...becoming W. Waves 1 ft or less. $$ ANZ543-190900- Tangier Sound and the inland waters surrounding Bloodsworth Island- 658 PM EST Tue Nov 18 2025 .TONIGHT...S winds 10 kt. Gusts up to 20 kt late this evening and overnight. Waves 1 ft. A chance of rain this evening, then rain after midnight. Vsby 1 to 3 NM. .WED...SW winds 5 to 10 kt...becoming N 10 to 15 kt in the afternoon. Gusts up to 20 kt. Waves 1 ft. A chance of rain. .WED NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .THU...NE winds 5 to 10 kt. Waves 1 ft. .THU NIGHT...SE winds around 5 kt. Waves flat. .FRI...S winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...SW winds 5 kt...becoming NW after midnight. Waves 1 ft. Rain likely. .SAT...N winds 5 to 10 kt. Waves 1 ft. A chance of rain. .SUN...NW winds 5 to 10 kt...becoming W. Waves 1 ft or less. $$