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
446 FZUS51 KLWX 100235 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 935 PM EST Sun Nov 9 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. ANZ500-100900- 935 PM EST Sun Nov 9 2025 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... A strong low pressure system will approach the area today before exiting the waters during the evening hours. High pressure builds to the south by Tuesday into Wednesday. Another frontal system tracks across the region by the middle of the week. Small Craft Advisories will likely need to be extended into Thursday as a result, with gales possible late Monday night into Tuesday. $$ ANZ535-100900- Tidal Potomac from Key Bridge to Indian Head- 935 PM EST Sun Nov 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE MONDAY NIGHT... ...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY AFTERNOON... .REST OF TONIGHT...NW winds 10 kt with gusts to 20 kt. Waves 1 ft. Showers. .MON...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. .MON NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. .TUE...W winds 15 to 20 kt with gusts to 35 kt. Waves 2 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .WED...SW winds 10 to 15 kt with gusts to 30 kt. Waves 1 ft. .WED NIGHT...W winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. .THU...W winds 10 to 15 kt...diminishing to 5 kt. Waves 1 ft. .FRI...NW winds 5 to 10 kt. Waves 1 ft. $$ ANZ536-100900- Tidal Potomac from Indian Head to Cobb Island- 935 PM EST Sun Nov 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE MONDAY NIGHT... ...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY AFTERNOON... .REST OF TONIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Numerous showers. .MON...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft. .MON NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .TUE...W winds 15 to 20 kt with gusts to 35 kt. Waves 2 ft. .TUE NIGHT...SW winds 15 to 20 kt with gusts to 25 kt. Waves 1 to 2 ft. .WED...SW winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft. .WED NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .THU...NW winds 5 to 10 kt. Waves 1 ft. .FRI...W winds 5 to 10 kt...becoming N after midnight. Waves 1 ft. $$ ANZ537-100900- Tidal Potomac from Cobb Island to Smith Point- 935 PM EST Sun Nov 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING... ...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY AFTERNOON... .REST OF TONIGHT...NW winds 15 kt with gusts to 20 kt. Waves 1 to 2 ft. Numerous showers late this evening, then scattered showers with vsby 1 to 3 NM. .MON...NW winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. .MON NIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. A chance of rain and snow showers. Vsby 1 to 3 NM. .TUE...W winds 15 to 20 kt with gusts to 35 kt. Waves 4 ft. .TUE NIGHT...SW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft. .WED...SW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft. .WED NIGHT...W winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. .THU...NW winds 10 to 15 kt. Waves 1 to 2 ft. .FRI...W winds 5 to 10 kt. Waves 1 ft. $$ ANZ530-100900- Chesapeake Bay north of Pooles Island- 935 PM EST Sun Nov 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING... ...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY AFTERNOON... .REST OF TONIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Showers. .MON...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft. .MON NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .TUE...W winds 15 to 20 kt with gusts to 35 kt. Waves 2 ft. .TUE NIGHT...SW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .WED...SW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .WED NIGHT...W winds 15 to 20 kt. Waves 1 ft. .THU...W winds 15 to 20 kt...diminishing to 5 to 10 kt. Waves 1 to 2 ft. .FRI...NW winds 5 to 10 kt. Waves 1 ft. $$ ANZ531-100900- Chesapeake Bay from Pooles Island to Sandy Point- 935 PM EST Sun Nov 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING... ...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY AFTERNOON... .REST OF TONIGHT...NW winds 15 kt with gusts to 20 kt. Waves 1 to 2 ft. Showers. .MON...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .MON NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft. .TUE...W winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft. .TUE NIGHT...SW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .WED...SW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .WED NIGHT...W winds 15 to 20 kt. Waves 2 ft. .THU...NW winds 15 to 20 kt...diminishing to 10 kt after midnight. Waves 1 to 2 ft. .FRI...W winds 10 to 15 kt...becoming N after midnight. Waves 1 ft. $$ ANZ538-100900- Patapsco River including Baltimore Harbor- 935 PM EST Sun Nov 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING... ...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY AFTERNOON... .REST OF TONIGHT...NW winds 10 kt with gusts to 20 kt. Waves 1 ft. Showers. .MON...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .MON NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. .TUE...W winds 15 to 20 kt with gusts to 35 kt. Waves 2 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. .WED...SW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. .WED NIGHT...W winds 10 kt with gusts to 20 kt. Waves 1 ft. .THU...NW winds 10 to 15 kt...becoming W 5 kt after midnight. Waves 1 ft. .FRI...NW winds 5 to 10 kt. Waves 1 ft or less. $$ ANZ539-100900- Chester River to Queenstown MD- 935 PM EST Sun Nov 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING... ...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY AFTERNOON... .REST OF TONIGHT...NW winds 10 kt with gusts to 20 kt. Waves 1 to 2 ft. Numerous showers. .MON...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .MON NIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. .TUE...W winds 15 to 20 kt with gusts to 35 kt. Waves 4 ft. .TUE NIGHT...SW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft. .WED...SW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .WED NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .THU...NW winds 10 to 15 kt. Waves 1 to 2 ft. .FRI...NW winds 5 to 10 kt. Waves 1 ft. $$ ANZ532-100900- Chesapeake Bay from Sandy Point to North Beach- 935 PM EST Sun Nov 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING... ...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY AFTERNOON... .REST OF TONIGHT...NW winds 15 kt with gusts to 20 kt. Waves 1 to 2 ft. Numerous showers. .MON...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .MON NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft. .TUE...W winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft. .TUE NIGHT...SW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .WED...SW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .WED NIGHT...W winds 15 to 20 kt. Waves 2 ft. .THU...NW winds 15 to 20 kt...becoming W 10 kt after midnight. Waves 1 to 2 ft. .FRI...W winds 10 to 15 kt...becoming N after midnight. Waves 1 ft. $$ ANZ540-100900- Eastern Bay- 935 PM EST Sun Nov 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING... ...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY AFTERNOON... .REST OF TONIGHT...NW winds 15 kt with gusts to 20 kt. Waves 1 ft. Showers. .MON...NW winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. .MON NIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft. .TUE...W winds 15 to 20 kt with gusts to 35 kt. Waves 3 ft. .TUE NIGHT...SW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft. .WED...SW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .WED NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .THU...NW winds 10 to 15 kt. Waves 1 to 2 ft. .FRI...NW winds 5 to 10 kt. Waves 1 ft. $$ ANZ533-100900- Chesapeake Bay from North Beach to Drum Point- 935 PM EST Sun Nov 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING... ...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY AFTERNOON... .REST OF TONIGHT...NW winds 15 to 20 kt. Waves 1 to 2 ft... building to 3 ft late. Numerous showers late this evening, then scattered showers. .MON...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft. .MON NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft. A chance of showers. Vsby 1 to 3 NM. .TUE...W winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft. .TUE NIGHT...SW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .WED...SW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. .WED NIGHT...W winds 15 to 20 kt. Waves 2 ft. .THU...NW winds 15 to 20 kt...diminishing to 10 kt. Waves 2 to 3 ft...subsiding to 1 ft after midnight. .FRI...NW winds 10 to 15 kt. Waves 1 to 2 ft. $$ ANZ541-100900- Choptank River to Cambridge MD and the Little Choptank River- 935 PM EST Sun Nov 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING... ...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY AFTERNOON... .REST OF TONIGHT...NW winds 15 to 20 kt. Waves 1 to 2 ft. Scattered showers with isolated tstms late this evening, then scattered showers. .MON...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft. .MON NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft. .TUE...W winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft. .TUE NIGHT...SW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .WED...SW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .WED NIGHT...W winds 15 to 20 kt. Waves 2 ft. .THU...NW winds 15 to 20 kt...diminishing to 5 to 10 kt after midnight. Waves 1 to 2 ft. .FRI...NW winds 5 to 10 kt. Waves 1 ft. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ542-100900- Patuxent River to Broomes Island MD- 935 PM EST Sun Nov 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING... ...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY AFTERNOON... .REST OF TONIGHT...NW winds 10 kt with gusts to 20 kt. Waves 1 ft. Numerous showers late this evening, then scattered showers. .MON...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .MON NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. A chance of rain and snow showers. Vsby 1 to 3 NM. .TUE...W winds 15 to 20 kt with gusts to 35 kt. Waves 2 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. .WED...SW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. .WED NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .THU...NW winds 10 to 15 kt...diminishing to 5 kt after midnight. Waves 1 ft. .FRI...W winds 5 to 10 kt. Waves 1 ft. $$ ANZ534-100900- Chesapeake Bay from Drum Point to Smith Point- 935 PM EST Sun Nov 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING... ...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY AFTERNOON... .REST OF TONIGHT...W winds 15 kt...becoming NW. Gusts up to 25 kt. Waves 2 to 3 ft. Numerous showers with isolated tstms late this evening, then numerous showers with vsby 1 to 3 NM. .MON...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .MON NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 4 ft. A chance of rain and snow showers. Vsby 1 to 3 NM. .TUE...W winds 20 to 25 kt with gusts to 35 kt. Waves 5 ft. .TUE NIGHT...SW winds 20 to 25 kt with gusts to 30 kt. Waves 4 ft. .WED...SW winds 20 to 25 kt with gusts to 30 kt. Waves 4 ft. .WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .THU...NW winds 15 to 20 kt. Waves 2 to 3 ft. .FRI...W winds 10 to 15 kt...becoming N after midnight. Waves 1 to 2 ft. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ543-100900- Tangier Sound and the inland waters surrounding Bloodsworth Island- 935 PM EST Sun Nov 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING... ...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY AFTERNOON... .REST OF TONIGHT...SW winds 15 kt...becoming NW. Gusts up to 25 kt. Waves 1 to 2 ft. Numerous showers with isolated tstms late this evening, then numerous showers with vsby 1 to 3 NM. .MON...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .MON NIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 3 ft. A chance of rain and snow showers. Vsby 1 to 3 NM. .TUE...W winds 20 to 25 kt with gusts to 35 kt. Waves 3 ft. .TUE NIGHT...SW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft. .WED...SW winds 20 to 25 kt with gusts to 30 kt. Waves 2 to 3 ft. .WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .THU...NW winds 15 to 20 kt. Waves 1 to 2 ft. .FRI...W winds 10 to 15 kt...becoming N after midnight. Waves 1 ft. Winds and waves higher and visibilities lower in and near tstms. $$