![National Oceanic and Atmospheric Administration](/build/images/header/noaa.d87e0251.png)
![National Weather Service](/build/images/header/nws.4e6585d8.png)
![United States Department of Commerce](/build/images/header/doc.b38ba91a.png)
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
228 FZUS51 KLWX 301133 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 733 AM EDT Sun Jun 30 2024 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. ANZ500-302000- 733 AM EDT Sun Jun 30 2024 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... A cold front will move through the waters this evening. Showers and thunderstorms will develop during the afternoon to evening hours in association with the cold front. A strong area of high pressure settles over the region through Tuesday. Eventually a warm front approaches from the west before passing to the north on Wednesday. Small Craft Advisories may be need to be extended through this morning, and likely again tonight through Monday night with the cold front. $$ ANZ535-302000- Tidal Potomac from Key Bridge to Indian Head- 733 AM EDT Sun Jun 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON... .TODAY...SW winds 5 kt. Waves less than 1 ft. Scattered showers and tstms this morning, then numerous showers and scattered tstms this afternoon with vsby 1 NM or less. .TONIGHT...W winds 5 to 10 kt...becoming N with gusts to 20 kt after midnight. Waves 1 ft. Numerous showers and tstms. .MON...N winds 10 kt with gusts to 20 kt. Waves 1 ft. .MON NIGHT...N winds 5 to 10 kt. Waves 1 ft. .TUE...E winds around 5 kt. Waves 1 ft. .TUE NIGHT...S winds 5 kt. Waves less than 1 ft. .WED...S winds 5 to 10 kt. Waves 1 ft. .THU...SW winds around 5 kt. Waves 1 ft or less. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ536-302000- Tidal Potomac from Indian Head to Cobb Island- 733 AM EDT Sun Jun 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON... .TODAY...SW winds 5 kt. Waves less than 1 ft. Scattered showers and tstms. Vsby 1 NM or less this afternoon. .TONIGHT...W winds 5 to 10 kt...becoming N 10 to 15 kt with gusts to 20 kt after midnight. Waves 1 ft. Numerous showers and tstms. Vsby 1 NM or less. .MON...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .MON NIGHT...N winds 5 to 10 kt. Waves 1 ft. .TUE...E winds 5 kt. Waves less than 1 ft. .TUE NIGHT...SE winds 5 kt. Waves less than 1 ft. .WED...S winds 5 to 10 kt. Waves 1 ft. .THU...S winds around 5 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ537-302000- Tidal Potomac from Cobb Island to Smith Point- 733 AM EDT Sun Jun 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON... .TODAY...SW winds 10 kt. Waves 1 to 2 ft. Scattered showers and tstms this morning, then numerous showers and scattered tstms this afternoon. Vsby 1 NM or less. .TONIGHT...SW winds 5 to 10 kt...becoming N 15 to 20 kt with gusts to 30 kt after midnight. Waves 1 ft... building to 3 ft after midnight. Numerous showers and tstms. Vsby 1 NM or less. .MON...N winds 15 to 20 kt. Gusts up to 30 kt... diminishing to 20 kt late. Waves 2 to 3 ft. .MON NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .TUE...E winds 5 to 10 kt. Waves 1 ft. .TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .WED...S winds 10 to 15 kt. Waves 1 to 2 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ530-302000- Chesapeake Bay north of Pooles Island- 733 AM EDT Sun Jun 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON... .TODAY...SW winds 10 kt. Waves 1 ft. Scattered showers and tstms. Vsby 1 NM or less this afternoon. .TONIGHT...W winds 10 to 15 kt...becoming N after midnight. Gusts up to 25 kt. Waves 1 to 2 ft. Numerous showers and tstms. Vsby 1 NM or less. .MON...N winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft. .MON NIGHT...N winds 5 to 10 kt. Waves 1 ft. .TUE...E winds 5 kt. Waves less than 1 ft. .TUE NIGHT...SE winds 5 kt. Waves less than 1 ft. .WED...S winds 5 to 10 kt. Waves 1 ft. .THU...SW winds 5 to 10 kt. Waves 1 ft or less. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ531-302000- Chesapeake Bay from Pooles Island to Sandy Point- 733 AM EDT Sun Jun 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON... .TODAY...SW winds 10 kt. Waves 1 to 2 ft. Scattered showers and tstms. Vsby 1 NM or less. .TONIGHT...S winds 10 to 15 kt with gusts to 20 kt... becoming NW with gusts to 20 kt late in the evening, then becoming N 15 to 20 kt with gusts to 30 kt after midnight. Waves 1 ft...building to 3 ft after midnight. Numerous showers and tstms. Vsby 1 NM or less. .MON...N winds 15 to 20 kt. Gusts up to 30 kt... diminishing to 20 kt in the afternoon. Waves 2 to 3 ft. .MON NIGHT...N winds 5 to 10 kt with gusts to 20 kt. Waves 2 ft. .TUE...E winds 5 kt. Waves less than 1 ft. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. .WED...S winds 10 to 15 kt. Waves 1 to 2 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ538-302000- Patapsco River including Baltimore Harbor- 733 AM EDT Sun Jun 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON... .TODAY...SW winds 5 to 10 kt. Waves 1 ft. Scattered showers and tstms. Vsby 1 NM or less this morning. .TONIGHT...W winds 10 to 15 kt...becoming N after midnight. Gusts up to 20 kt. Waves 1 ft. Numerous showers and tstms. Vsby 1 NM or less. .MON...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .MON NIGHT...N winds 5 to 10 kt. Waves 1 ft. .TUE...E winds 5 kt. Waves less than 1 ft. .TUE NIGHT...S winds 5 kt. Waves less than 1 ft. .WED...S winds 5 to 10 kt. Waves 1 ft or less. .THU...S winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ539-302000- Chester River to Queenstown MD- 733 AM EDT Sun Jun 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON... .TODAY...SW winds 10 kt. Waves 1 ft. Scattered showers and tstms. Vsby 1 NM or less this afternoon. .TONIGHT...S winds 10 kt...becoming NW with gusts to 20 kt late in the evening, then becoming N 15 to 20 kt with gusts to 30 kt after midnight. Waves 1 ft...building to 3 ft after midnight. Numerous showers and tstms. Vsby 1 NM or less. .MON...N winds 15 to 20 kt with gusts to 25 kt... diminishing to 10 kt late. Waves 2 to 3 ft. .MON NIGHT...N winds 5 to 10 kt. Waves 1 to 2 ft. .TUE...NE winds 5 kt. Waves less than 1 ft. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. .WED...S winds 5 to 10 kt. Waves 1 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ532-302000- Chesapeake Bay from Sandy Point to North Beach- 733 AM EDT Sun Jun 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON... .TODAY...S winds 10 kt. Waves 1 to 2 ft. Scattered showers and tstms this morning, then numerous showers and scattered tstms this afternoon with vsby 1 NM or less. .TONIGHT...S winds 10 kt...becoming W with gusts to 20 kt late in the evening, then becoming N 15 to 20 kt with gusts to 30 kt after midnight. Waves 1 ft...building to 3 ft after midnight. Showers and numerous tstms. Vsby 1 NM or less. .MON...N winds 15 to 20 kt. Gusts up to 30 kt... diminishing to 20 kt in the afternoon. Waves 2 to 3 ft. .MON NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .TUE...NE winds 5 to 10 kt. Waves 1 ft or less. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. .WED...S winds 10 to 15 kt. Waves 1 to 2 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ540-302000- Eastern Bay- 733 AM EDT Sun Jun 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON... .TODAY...SW winds 10 kt. Waves 1 ft. Scattered showers and tstms this morning, then numerous showers and scattered tstms this afternoon with vsby 1 NM or less. .TONIGHT...S winds 10 kt...becoming W late in the evening, then becoming N 15 to 20 kt with gusts to 25 kt after midnight. Waves 1 to 2 ft. Showers and numerous tstms. Vsby 1 NM or less. .MON...N winds 15 to 20 kt...diminishing to 10 kt late. Gusts up to 25 kt. Waves 2 ft. .MON NIGHT...N winds 5 to 10 kt. Waves 1 ft. .TUE...NE winds 5 kt. Waves less than 1 ft. .TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .WED...S winds 10 to 15 kt. Waves 1 ft or less. .THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ533-302000- Chesapeake Bay from North Beach to Drum Point- 733 AM EDT Sun Jun 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON... .TODAY...S winds 10 kt. Waves 1 to 2 ft. Scattered showers and tstms this morning, then numerous showers and scattered tstms this afternoon with vsby 1 NM or less. .TONIGHT...S winds 10 kt...becoming W late in the evening, then becoming N 15 to 20 kt with gusts to 30 kt after midnight. Waves 2 to 3 ft. Numerous showers and tstms. Vsby 1 NM or less. .MON...N winds 15 to 20 kt. Gusts up to 30 kt... diminishing to 20 kt in the afternoon. Waves 3 ft. .MON NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .TUE...NE winds 5 to 10 kt. Waves 1 ft. .TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .WED...S winds 5 kt...increasing to 10 to 15 kt. Waves 1 to 2 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ541-302000- Choptank River to Cambridge MD and the Little Choptank River- 733 AM EDT Sun Jun 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON... .TODAY...SW winds 10 kt. Waves 1 ft. Scattered showers and tstms this morning, then numerous showers and scattered tstms this afternoon with vsby 1 NM or less. .TONIGHT...SW winds 10 kt...becoming N 15 to 20 kt with gusts to 30 kt after midnight. Waves 1 to 2 ft. Numerous showers and tstms. Vsby 1 NM or less. .MON...N winds 15 to 20 kt. Gusts up to 30 kt... diminishing to 20 kt in the afternoon. Waves 2 ft. .MON NIGHT...N winds 5 to 10 kt. Waves 1 ft. .TUE...NE winds 5 to 10 kt. Waves 1 ft or less. .TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .WED...S winds 10 to 15 kt. Waves 1 ft or less... building to 1 to 2 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ542-302000- Patuxent River to Broomes Island MD- 733 AM EDT Sun Jun 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON... .TODAY...SW winds 5 to 10 kt. Waves 1 ft. Scattered showers and tstms this morning, then numerous showers and scattered tstms this afternoon with vsby 1 NM or less. .TONIGHT...S winds 5 to 10 kt...becoming NW 10 to 15 kt in the late evening and early morning, then becoming N late. Gusts up to 20 kt. Waves 1 ft. Numerous showers and tstms. Vsby 1 NM or less. .MON...N winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. .MON NIGHT...N winds 5 to 10 kt. Waves 1 ft. .TUE...NE winds 5 kt. Waves less than 1 ft. .TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .WED...S winds 5 to 10 kt. Waves 1 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ534-302000- Chesapeake Bay from Drum Point to Smith Point- 733 AM EDT Sun Jun 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON... .TODAY...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Scattered showers and tstms this morning, then numerous showers and scattered tstms this afternoon. Vsby 1 NM or less. .TONIGHT...S winds 10 to 15 kt with gusts to 20 kt... becoming SW with gusts to 20 kt late in the evening, then becoming NW 15 to 20 kt with gusts to 30 kt after midnight. Waves 2 ft...building to 4 ft after midnight. Showers and numerous tstms. Vsby 1 NM or less. .MON...N winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. .MON NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft. .TUE...E winds 5 to 10 kt. Waves 1 to 2 ft. .TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .WED...S winds 10 to 15 kt. Waves 1 to 2 ft. .THU...S winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ543-302000- Tangier Sound and the inland waters surrounding Bloodsworth Island- 733 AM EDT Sun Jun 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON... .TODAY...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Scattered showers and tstms this morning, then numerous showers and scattered tstms this afternoon. Vsby 1 NM or less. .TONIGHT...S winds 10 to 15 kt with gusts to 20 kt... becoming NW with gusts to 25 kt after midnight, then becoming N 15 to 20 kt with gusts to 30 kt late. Waves 2 ft. Showers and numerous tstms. Vsby 1 NM or less. .MON...N winds 15 to 20 kt. Gusts up to 30 kt... diminishing to 20 kt in the afternoon. Waves 2 ft. .MON NIGHT...NE winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. .TUE...E winds 5 to 10 kt. Waves 1 ft. .TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .WED...S winds 10 to 15 kt. Waves 1 to 2 ft. .THU...S winds 10 to 15 kt. Waves 1 ft. A chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$