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
533 FZUS51 KLWX 220257 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 957 PM EST Fri Nov 21 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. ANZ500-220900- 957 PM EST Fri Nov 21 2025 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... An area of low pressure approaching from the Midwest will track along a front south of the waters as it stalls nearby tonight into early Saturday. High pressure will briefly return Sunday into Monday before another low pressure system and series of fronts cross Tuesday into the middle part of next week. Small Craft Advisories may be needed Saturday. $$ ANZ535-220900- Tidal Potomac from Key Bridge to Indian Head- 957 PM EST Fri Nov 21 2025 .REST OF TONIGHT...E winds around 5 kt. Waves 1 ft or less. Rain. Patchy fog with vsby 1 to 3 NM. .SAT...N winds 5 to 10 kt. Waves 1 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .SAT NIGHT...N winds around 5 kt. Waves 1 ft. .SUN...W winds around 5 kt. Waves 1 ft. .SUN NIGHT...NW winds 5 kt. Waves less than 1 ft. .MON...NW winds around 5 kt. Waves 1 ft. .MON NIGHT...S winds around 5 kt. Waves 1 ft. .TUE...S winds 5 to 10 kt. Waves 1 ft. A chance of rain in the afternoon. Rain likely in the evening, then a chance of rain after midnight. .WED...W winds 5 to 10 kt. Waves 1 ft. A chance of rain. $$ ANZ536-220900- Tidal Potomac from Indian Head to Cobb Island- 957 PM EST Fri Nov 21 2025 .REST OF TONIGHT...SE winds 5 kt. Waves less than 1 ft. Rain. Patchy fog. Vsby 1 to 3 NM. .SAT...N winds 5 to 10 kt. Waves 1 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .SAT NIGHT...N winds around 5 kt. Waves 1 ft. .SUN...W winds around 5 kt. Waves 1 ft. .SUN NIGHT...NW winds 5 kt. Waves less than 1 ft. .MON...N winds around 5 kt. Waves 1 ft. .MON NIGHT...S winds 5 kt. Waves less than 1 ft. .TUE...S winds 5 to 10 kt. Waves 1 ft. A chance of rain in the afternoon. Rain likely in the evening, then a chance of rain after midnight. .WED...W winds 10 to 15 kt...becoming NW after midnight. Waves 1 ft. A chance of rain. $$ ANZ537-220900- Tidal Potomac from Cobb Island to Smith Point- 957 PM EST Fri Nov 21 2025 .REST OF TONIGHT...S winds 5 kt. Waves less than 1 ft. A chance of rain late this evening, then rain. Patchy fog with vsby 1 to 3 NM. .SAT...N winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .SAT NIGHT...N winds 5 to 10 kt. Waves 1 ft. .SUN...W winds around 5 kt. Waves 1 ft or less. .SUN NIGHT...NW winds 5 to 10 kt. Waves 1 ft. .MON...N winds 5 to 10 kt. Waves 1 ft. .MON NIGHT...SE winds 5 kt. Waves less than 1 ft. .TUE...S winds 5 to 10 kt. Waves 1 ft. A chance of rain in the afternoon. Rain likely in the evening, then a chance of rain after midnight. .WED...SW winds 10 to 15 kt...becoming NW after midnight. Waves 1 to 2 ft. A chance of rain. $$ ANZ530-220900- Chesapeake Bay north of Pooles Island- 957 PM EST Fri Nov 21 2025 .REST OF TONIGHT...E winds around 5 kt. Waves flat. A chance of rain late this evening, then rain. Patchy fog with vsby 1 to 3 NM. .SAT...N winds 5 to 10 kt. Waves 1 ft. Showers likely. Patchy fog. Vsby 1 to 3 NM. .SAT NIGHT...N winds around 5 kt. Waves 1 ft or less. .SUN...W winds 5 to 10 kt. Waves 1 ft or less. .SUN NIGHT...NW winds 5 to 10 kt. Waves 1 ft. .MON...NW winds around 5 kt. Waves 1 ft or less. .MON NIGHT...S winds around 5 kt. Waves flat. .TUE...S winds 5 to 10 kt. Waves 1 ft. A chance of rain in the afternoon. Rain likely in the evening, then a chance of rain after midnight. .WED...SW winds 10 to 15 kt...becoming W after midnight. Waves 1 ft. A chance of rain. $$ ANZ531-220900- Chesapeake Bay from Pooles Island to Sandy Point- 957 PM EST Fri Nov 21 2025 .REST OF TONIGHT...E winds 5 kt. Waves flat. A chance of rain late this evening, then rain. Patchy fog with vsby 1 to 3 NM. .SAT...N winds 5 to 10 kt. Waves 1 ft. Showers likely. Patchy fog. Vsby 1 to 3 NM. .SAT NIGHT...N winds 5 to 10 kt. Waves 1 ft. .SUN...W winds 5 to 10 kt. Waves 1 ft or less. .SUN NIGHT...NW winds 5 to 10 kt. Waves 1 ft. .MON...NW winds 5 to 10 kt. Waves 1 ft. .MON NIGHT...S winds 5 kt. Waves less than 1 ft. .TUE...S winds 5 to 10 kt. Waves 1 ft. A chance of rain in the afternoon. Rain likely in the evening, then a chance of rain after midnight. .WED...SW winds 10 to 15 kt...becoming W 15 to 20 kt after midnight. Waves 1 to 2 ft. A chance of rain. $$ ANZ538-220900- Patapsco River including Baltimore Harbor- 957 PM EST Fri Nov 21 2025 .REST OF TONIGHT...E winds around 5 kt. Waves flat. Rain. Patchy fog with vsby 1 to 3 NM. .SAT...N winds 5 to 10 kt. Waves 1 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .SAT NIGHT...N winds around 5 kt. Waves 1 ft or less. .SUN...W winds around 5 kt. Waves 1 ft or less. .SUN NIGHT...NW winds 5 kt. Waves less than 1 ft. .MON...NW winds 5 kt. Waves flat. .MON NIGHT...S winds around 5 kt. Waves flat. .TUE...S winds 5 to 10 kt. Waves 1 ft or less. A chance of rain in the afternoon. Rain likely in the evening, then a chance of rain after midnight. .WED...W winds 5 to 10 kt. Waves 1 ft. A chance of rain. $$ ANZ539-220900- Chester River to Queenstown MD- 957 PM EST Fri Nov 21 2025 .REST OF TONIGHT...E winds around 5 kt. Waves flat. A chance of rain late this evening, then rain. Patchy fog with vsby 1 to 3 NM. .SAT...N winds 5 to 10 kt. Waves 1 ft. Showers likely. Patchy fog. Vsby 1 to 3 NM. .SAT NIGHT...N winds 5 to 10 kt. Waves 1 ft. .SUN...W winds around 5 kt. Waves 1 ft or less. .SUN NIGHT...NW winds 5 to 10 kt. Waves 1 ft. .MON...NW winds 5 to 10 kt. Waves 1 ft. .MON NIGHT...S winds around 5 kt. Waves 1 ft or less. .TUE...S winds 5 to 10 kt. Waves 1 ft. A chance of rain in the afternoon. Rain likely in the evening, then a chance of rain after midnight. .WED...SW winds 10 to 15 kt...becoming W after midnight. Waves 1 to 2 ft. A chance of rain. $$ ANZ532-220900- Chesapeake Bay from Sandy Point to North Beach- 957 PM EST Fri Nov 21 2025 .REST OF TONIGHT...E winds 5 kt. Waves less than 1 ft. Rain. Patchy fog with vsby 1 to 3 NM. .SAT...N winds 10 to 15 kt. Waves 2 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .SAT NIGHT...N winds 5 to 10 kt. Waves 1 ft. .SUN...W winds 5 to 10 kt. Waves 1 ft or less. .SUN NIGHT...NW winds 5 to 10 kt. Waves 1 ft. .MON...N winds 5 to 10 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. A chance of rain in the afternoon. Rain likely in the evening, then a chance of rain after midnight. .WED...SW winds 10 to 15 kt...becoming W 15 to 20 kt after midnight. Waves 1 to 2 ft. A chance of rain. $$ ANZ540-220900- Eastern Bay- 957 PM EST Fri Nov 21 2025 .REST OF TONIGHT...E winds 5 kt. Waves flat. A chance of rain late this evening, then rain. Patchy fog with vsby 1 to 3 NM. .SAT...N winds 5 to 10 kt. Waves 1 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .SAT NIGHT...N winds 5 to 10 kt. Waves 1 ft or less. .SUN...W winds around 5 kt. Waves 1 ft or less. .SUN NIGHT...NW winds 5 to 10 kt. Waves 1 ft. .MON...NW winds 5 to 10 kt. Waves 1 ft. .MON NIGHT...S winds around 5 kt. Waves 1 ft or less. .TUE...S winds 5 to 10 kt. Waves 1 ft. A chance of rain in the afternoon. Rain likely in the evening, then a chance of rain after midnight. .WED...SW winds 10 to 15 kt...becoming W after midnight. Waves 1 ft. A chance of rain. $$ ANZ533-220900- Chesapeake Bay from North Beach to Drum Point- 957 PM EST Fri Nov 21 2025 .REST OF TONIGHT...SE winds 5 kt. Waves less than 1 ft. Rain. Patchy fog with vsby 1 to 3 NM. .SAT...N winds 10 to 15 kt. Waves 2 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .SAT NIGHT...N winds 5 to 10 kt. Waves 1 ft. .SUN...W winds 5 kt. Waves less than 1 ft. .SUN NIGHT...NW winds 5 to 10 kt. Waves 1 ft. .MON...N winds 5 to 10 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. A chance of rain in the afternoon. Rain likely in the evening, then a chance of rain after midnight. .WED...SW winds 10 to 15 kt...becoming W 15 to 20 kt. Waves 1 to 2 ft. A chance of rain. $$ ANZ541-220900- Choptank River to Cambridge MD and the Little Choptank River- 957 PM EST Fri Nov 21 2025 .REST OF TONIGHT...SE winds 5 kt. Waves flat. A chance of rain late this evening, then rain. Patchy fog with vsby 1 to 3 NM. .SAT...N winds 10 to 15 kt. Waves 1 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .SAT NIGHT...N winds 5 to 10 kt. Waves 1 ft. .SUN...W winds around 5 kt. Waves 1 ft or less. .SUN NIGHT...NW winds 5 to 10 kt. Waves 1 ft. .MON...N winds 5 to 10 kt. Waves 1 ft. .MON NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .TUE...S winds 5 to 10 kt. Waves 1 ft. A chance of rain in the afternoon. Rain likely in the evening, then a chance of rain after midnight. .WED...SW winds 10 to 15 kt...becoming NW 15 to 20 kt after midnight. Waves 1 to 2 ft. A chance of rain. $$ ANZ542-220900- Patuxent River to Broomes Island MD- 957 PM EST Fri Nov 21 2025 .REST OF TONIGHT...S winds around 5 kt. Waves 1 ft. Rain. Patchy fog with vsby 1 to 3 NM. .SAT...N winds 5 to 10 kt. Waves 1 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .SAT NIGHT...N winds around 5 kt. Waves 1 ft. .SUN...W winds around 5 kt. Waves 1 ft. .SUN NIGHT...NW winds 5 kt. Waves less than 1 ft. .MON...N winds 5 kt. Waves less than 1 ft. .MON NIGHT...SE winds around 5 kt. Waves 1 ft. .TUE...S winds 5 to 10 kt. Waves 1 ft. A chance of rain in the afternoon. Rain likely in the evening, then a chance of rain after midnight. .WED...W winds 5 to 10 kt. Waves 1 ft. A chance of rain. $$ ANZ534-220900- Chesapeake Bay from Drum Point to Smith Point- 957 PM EST Fri Nov 21 2025 .REST OF TONIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of rain late this evening, then rain. Patchy fog with vsby 1 to 3 NM. .SAT...N winds 10 to 15 kt. Gusts up to 20 kt in the late morning and afternoon. Waves 1 to 2 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .SAT NIGHT...N winds 5 to 10 kt. Waves 1 to 2 ft. .SUN...W winds 5 kt. Waves less than 1 ft. .SUN NIGHT...NW winds 10 to 15 kt. Waves 1 to 2 ft. .MON...N winds 5 to 10 kt. Waves 1 ft. .MON NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .TUE...S winds 10 to 15 kt...becoming SW after midnight. Waves 1 to 2 ft. A chance of rain in the afternoon. Rain likely in the evening. A chance of rain after midnight. .WED...SW winds 10 to 15 kt...becoming NW 15 to 20 kt. Waves 2 to 3 ft. A chance of rain. $$ ANZ543-220900- Tangier Sound and the inland waters surrounding Bloodsworth Island- 957 PM EST Fri Nov 21 2025 .REST OF TONIGHT...S winds 5 to 10 kt. Waves 1 ft or less. A chance of rain late this evening, then rain. Patchy fog with vsby 1 to 3 NM. .SAT...N winds 10 to 15 kt with gusts to 20 kt... becoming N 10 to 15 kt late. Waves 1 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .SAT NIGHT...N winds 5 to 10 kt. Waves 1 ft. .SUN...N winds 5 kt...becoming SW in the afternoon. Waves 1 ft. .SUN NIGHT...NW winds 10 to 15 kt. Waves 1 ft. .MON...N winds 5 to 10 kt. Waves 1 ft. .MON NIGHT...SE winds 5 to 10 kt. Waves 1 ft or less. .TUE...S winds 10 to 15 kt...becoming SW after midnight. Waves 1 ft. A chance of rain in the afternoon. Rain likely in the evening. A chance of rain after midnight. .WED...SW winds 10 kt...becoming NW 15 to 20 kt. Waves 1 to 2 ft. A chance of rain. $$