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
652 FZUS51 KLWX 300332 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 1132 PM EDT Fri Aug 29 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. ANZ500-300800- 1132 PM EDT Fri Aug 29 2025 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... High pressure will return for the weekend and will continue to influence the area into next week. The next front approaches by late next week. $$ ANZ535-300800- Tidal Potomac from Key Bridge to Indian Head- 1132 PM EDT Fri Aug 29 2025 .REST OF TONIGHT...N winds 5 to 10 kt. Waves 1 ft. .SAT...N winds around 5 kt. Waves 1 ft. .SAT NIGHT...NE winds around 5 kt. Waves 1 ft or less. .SUN...NE winds around 5 kt. Waves 1 ft. .SUN NIGHT...NE winds around 5 kt. Waves 1 ft or less. .MON...NE winds around 5 kt. Waves 1 ft. .MON NIGHT...E winds around 5 kt. Waves 1 ft. .TUE...SE winds around 5 kt. Waves 1 ft. .WED...SE winds 5 to 10 kt. Waves 1 ft. $$ ANZ536-300800- Tidal Potomac from Indian Head to Cobb Island- 1132 PM EDT Fri Aug 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT SATURDAY... .REST OF TONIGHT...N winds 10 kt with gusts to 20 kt. Waves 1 ft. .SAT...N winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...E winds around 5 kt. Waves 1 ft. .SUN...NE winds around 5 kt. Waves 1 ft. .SUN NIGHT...NE winds around 5 kt. Waves 1 ft. .MON...NE winds around 5 kt. Waves 1 ft. .MON NIGHT...E winds around 5 kt. Waves 1 ft. .TUE...E winds around 5 kt. Waves 1 ft. .WED...SE winds 5 to 10 kt. Waves 1 ft. $$ ANZ537-300800- Tidal Potomac from Cobb Island to Smith Point- 1132 PM EDT Fri Aug 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT SATURDAY... .REST OF TONIGHT...W winds 10 kt...becoming N. Gusts up to 20 kt. Waves 1 ft. .SAT...N winds 5 to 10 kt. Gusts up to 20 kt in the morning. Waves 1 ft. .SAT NIGHT...NE winds around 5 kt. Waves 1 ft. .SUN...NE winds 5 to 10 kt. Waves 1 ft. .SUN NIGHT...NE winds 5 kt. Waves less than 1 ft. .MON...NE winds 5 to 10 kt. Waves 1 ft. .MON NIGHT...NE winds 5 to 10 kt. Waves 1 ft. .TUE...NE winds 5 to 10 kt...becoming SE. Waves 1 ft. .WED...SE winds 5 to 10 kt. Waves 1 ft. $$ ANZ530-300800- Chesapeake Bay north of Pooles Island- 1132 PM EDT Fri Aug 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT SATURDAY... .REST OF TONIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .SAT...N winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...N winds 5 kt. Waves flat. .SUN...NE winds 5 kt. Waves flat. .SUN NIGHT...NE winds around 5 kt. Waves flat. .MON...NE winds 5 kt. Waves flat. .MON NIGHT...E winds around 5 kt. Waves flat. .TUE...SE winds around 5 kt. Waves flat. .WED...SE winds 5 to 10 kt. Waves 1 ft or less. $$ ANZ531-300800- Chesapeake Bay from Pooles Island to Sandy Point- 1132 PM EDT Fri Aug 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT SATURDAY... .REST OF TONIGHT...N winds 15 kt with gusts to 20 kt. Waves 1 ft. .SAT...N winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...NE winds 5 kt. Waves less than 1 ft. .SUN...NE winds 5 kt. Waves less than 1 ft. .SUN NIGHT...NE winds around 5 kt. Waves 1 ft or less. .MON...NE winds 5 kt. Waves less than 1 ft. .MON NIGHT...E winds 5 kt. Waves less than 1 ft. .TUE...E winds 5 kt...becoming S. Waves 1 ft or less. .WED...S winds 5 to 10 kt. Waves 1 ft or less. $$ ANZ538-300800- Patapsco River including Baltimore Harbor- 1132 PM EDT Fri Aug 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT SATURDAY... .REST OF TONIGHT...N winds 10 kt with gusts to 20 kt. Waves 1 ft. .SAT...N winds 5 to 10 kt. Waves 1 ft or less. .SAT NIGHT...NE winds around 5 kt. Waves flat. .SUN...NE winds 5 kt. Waves flat. .SUN NIGHT...NE winds around 5 kt. Waves flat. .MON...NE winds around 5 kt. Waves flat. .MON NIGHT...E winds around 5 kt. Waves 1 ft or less. .TUE...SE winds around 5 kt. Waves 1 ft or less. .WED...S winds 5 to 10 kt. Waves 1 ft or less. $$ ANZ539-300800- Chester River to Queenstown MD- 1132 PM EDT Fri Aug 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT SATURDAY... .REST OF TONIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .SAT...N winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...NE winds around 5 kt. Waves flat. .SUN...NE winds 5 kt. Waves less than 1 ft. .SUN NIGHT...E winds around 5 kt. Waves flat. .MON...NE winds 5 kt. Waves flat. .MON NIGHT...E winds around 5 kt. Waves flat. .TUE...E winds 5 kt. Waves less than 1 ft. .WED...SE winds 5 to 10 kt. Waves 1 ft or less. $$ ANZ532-300800- Chesapeake Bay from Sandy Point to North Beach- 1132 PM EDT Fri Aug 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT SATURDAY... .REST OF TONIGHT...N winds 15 kt with gusts to 20 kt. Waves 1 ft. .SAT...N winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...NE winds around 5 kt. Waves flat. .SUN...NE winds 5 to 10 kt. Waves 1 ft. .SUN NIGHT...NE winds around 5 kt. Waves 1 ft or less. .MON...NE winds 5 kt. Waves less than 1 ft. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. .TUE...NE winds 5 kt...becoming S. Waves 1 ft. .WED...SE winds 5 to 10 kt. Waves 1 to 2 ft. $$ ANZ540-300800- Eastern Bay- 1132 PM EDT Fri Aug 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT SATURDAY... .REST OF TONIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .SAT...N winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...NE winds around 5 kt. Waves flat. .SUN...NE winds 5 kt. Waves less than 1 ft. .SUN NIGHT...E winds around 5 kt. Waves flat. .MON...NE winds 5 kt. Waves less than 1 ft. .MON NIGHT...E winds 5 kt. Waves less than 1 ft. .TUE...E winds 5 kt. Waves less than 1 ft. .WED...SE winds 5 to 10 kt. Waves 1 ft or less. $$ ANZ533-300800- Chesapeake Bay from North Beach to Drum Point- 1132 PM EDT Fri Aug 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT SATURDAY... .REST OF TONIGHT...N winds 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .SAT...N winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...NE winds around 5 kt. Waves 1 ft or less. .SUN...NE winds 5 to 10 kt. Waves 1 ft. .SUN NIGHT...NE winds 5 kt. Waves less than 1 ft. .MON...NE winds 5 to 10 kt. Waves 1 ft. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. .TUE...NE winds 5 kt...becoming S. Waves 1 ft. .WED...SE winds 5 to 10 kt. Waves 1 to 2 ft. $$ ANZ541-300800- Choptank River to Cambridge MD and the Little Choptank River- 1132 PM EDT Fri Aug 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT SATURDAY... .REST OF TONIGHT...N winds 15 kt with gusts to 20 kt. Waves 1 ft. .SAT...N winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...NE winds around 5 kt. Waves flat. .SUN...NE winds 5 kt. Waves less than 1 ft. .SUN NIGHT...NE winds around 5 kt. Waves 1 ft or less. .MON...NE winds 5 kt. Waves less than 1 ft. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. .TUE...NE winds 5 kt...becoming SE. Waves 1 ft. .WED...SE winds 5 to 10 kt. Waves 1 ft or less. $$ ANZ542-300800- Patuxent River to Broomes Island MD- 1132 PM EDT Fri Aug 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT SATURDAY... .REST OF TONIGHT...N winds 5 to 10 kt. Waves 1 ft. .SAT...N winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...NE winds around 5 kt. Waves 1 ft. .SUN...NE winds 5 kt. Waves less than 1 ft. .SUN NIGHT...NE winds around 5 kt. Waves 1 ft. .MON...NE winds 5 kt. Waves less than 1 ft. .MON NIGHT...E winds around 5 kt. Waves 1 ft. .TUE...E winds 5 kt. Waves less than 1 ft. .WED...SE winds 5 to 10 kt. Waves 1 ft. $$ ANZ534-300800- Chesapeake Bay from Drum Point to Smith Point- 1132 PM EDT Fri Aug 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT SATURDAY... .REST OF TONIGHT...NW winds 10 to 15 kt...becoming N late. Gusts up to 20 kt. Waves 1 to 2 ft. .SAT...N winds 10 to 15 kt with gusts to 20 kt... diminishing to 5 kt late. Waves 1 to 2 ft. .SAT NIGHT...NE winds 5 kt. Waves less than 1 ft. .SUN...NE winds 5 to 10 kt. Waves 1 ft. .SUN NIGHT...NE winds 5 to 10 kt. Waves 1 ft. .MON...NE winds 5 to 10 kt. Waves 1 ft. .MON NIGHT...NE winds 5 to 10 kt. Waves 1 ft. .TUE...NE winds 5 to 10 kt...becoming SE. Waves 1 ft. .WED...SE winds 5 to 10 kt. Waves 1 to 2 ft. $$ ANZ543-300800- Tangier Sound and the inland waters surrounding Bloodsworth Island- 1132 PM EDT Fri Aug 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT SATURDAY... .REST OF TONIGHT...NW winds 10 to 15 kt...becoming N late. Gusts up to 20 kt. Waves 1 ft. .SAT...N winds 10 to 15 kt with gusts to 20 kt... becoming NW 5 to 10 kt late. Waves 1 ft. .SAT NIGHT...NE winds 5 kt. Waves less than 1 ft. .SUN...NE winds 5 to 10 kt. Waves 1 ft. .SUN NIGHT...NE winds 5 to 10 kt. Waves 1 ft. .MON...NE winds 5 to 10 kt. Waves 1 ft. .MON NIGHT...NE winds 5 to 10 kt. Waves 1 ft. .TUE...E winds 5 to 10 kt. Waves 1 ft. .WED...SE winds 5 to 10 kt. Waves 1 ft. $$