Marine Weather for AN 536

Active Advisory: (US Severe Weather)
Forecast as of 1:37 PM EDT on July 20, 2018
Small Craft Advisory in effect from 6 PM this evening to midnight EDT tonight
Small Craft Advisory in effect from Saturday morning through Saturday evening
Tidal Potomac From Indian Head To Cobb Island-
This Afternoon
Se winds 10 kt. Waves 1 ft.
Tonight
E winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. A chance of showers.
Sat
NE winds 10 to 15 kt. Gusts up to 20 kt. Waves 2 ft. Rain. Vsby 1 nm or less.
Sat Night
NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. A chance of showers.
Sun
Se winds 5 to 10 kt. Waves 1 ft. A chance of showers.
Sun Night
Se winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms.
Mon
Se winds 5 to 10 kt. Waves 1 ft. Showers and tstms, then a chance of showers after midnight.
Tue
S winds 5 to 10 kt. Waves 1 ft. Showers and tstms likely, then a chance of showers after midnight. Winds and waves higher and visibilities lower in and near tstms.

Watches & Warnings

Small Craft Advisory
Issued: 1:53 PM EDT Jul. 20, 2018 – National Weather Service

... Small Craft Advisory remains in effect from 6 PM this evening
to midnight EDT tonight...
... Small Craft Advisory remains in effect from 11 am to 11 PM EDT
Saturday...

* winds... 18 to 33 knots within the Small Craft Advisory.

Precautionary/preparedness actions...

A Small Craft Advisory means winds of 18 to 33 knots are imminent
or occurring. Boaters operating smaller vessels should avoid
navigating in these conditions.





Marine Weather

Marine Weather Links

Tidal Potomac River and Maryland portion of Chesapeake Bay.

Sandy Hook NJ to Fenwick Island de to 20 nm offshore and Delaware Bay

Virginia portion of the Chesapeake Bay...Currituck Sound and Atlantic coastal waters from Fenwick Island de to Currituck Beach Light NC out 20 nautical miles

Surf City NC to South Santee River SC out 20 nm

South Santee River SC to Savannah GA out 20 nm and Savannah GA to Altamaha Sound GA out 60 nm...including Charleston Harbor and Grays Reef National marine Sanctuary

Atlantic coastal waters from Altamaha Sound GA to Flagler Beach FL out to 60 nm

Atlc coastal waters from Flagler Beach to Jupiter Inlet out 60 nm

From S of Currituck Beach Light to N of Surf City NC out 20 nm... including the Albemarle and Pamlico sounds and The Monitor National marine Sanctuary

Marine & Boating Location Search

Enter a coastal zip code for marine weather.

Coastal Water Temperatures

Locus Calor
Washington, DC 82.9 °F
Lewisetta, VA 82.0 °F
Solomons Island, MD 82.0 °F

Open Sea Buoy Information

Place ID Sea Temp Wave Height
Upper Potomac, MD 44061 79 °F
-
Annapolis 44063
-
-
Gooses Reef, MD 44062
-
-
Potomac, MD 44042
-
-
Click the Station ID for daily observations and history.

C-MAN Station Information

Place ID Water Temp Wave Height
Thomas Point, MD TPLM2 81 °F
-

Tide Information

Date Time Tide Type Height
Alexandria, Potomac River, Virginia:  
2018-07-20 03:31 PM EDT High Tide 2.78
2018-07-20 09:51 PM EDT Low Tide 0.26
2018-07-21 04:02 AM EDT High Tide 3.10
2018-07-21 10:42 AM EDT Low Tide 0.40
2018-07-21 04:31 PM EDT High Tide 2.71
2018-07-21 10:44 PM EDT Low Tide 0.36
Aquia Creek, Potomac River, Virginia:  
2018-07-20 01:45 PM EDT High Tide 1.39
2018-07-20 07:30 PM EDT Low Tide 0.13
2018-07-21 02:16 AM EDT High Tide 1.55
2018-07-21 08:21 AM EDT Low Tide 0.20
2018-07-21 02:45 PM EDT High Tide 1.36
2018-07-21 08:23 PM EDT Low Tide 0.18
Clifton Beach, Smith Point, Potomac River, Maryland:  
2018-07-20 01:31 PM EDT High Tide 1.19
2018-07-20 07:16 PM EDT Low Tide 0.13
2018-07-21 02:02 AM EDT High Tide 1.32
2018-07-21 08:07 AM EDT Low Tide 0.20
2018-07-21 02:31 PM EDT High Tide 1.16
2018-07-21 08:09 PM EDT Low Tide 0.18
Colonial Beach, Potomac River, Virginia (sub):  
2018-07-20 03:49 PM EDT Low Tide 0.18
2018-07-20 10:36 PM EDT High Tide 1.97
2018-07-21 04:40 AM EDT Low Tide 0.28
2018-07-21 11:05 AM EDT High Tide 1.72
2018-07-21 04:42 PM EDT Low Tide 0.25
2018-07-21 11:32 PM EDT High Tide 1.97
Colonial Beach, Potomac River, Virginia:  
2018-07-20 03:55 PM EDT Low Tide 0.28
2018-07-20 10:13 PM EDT High Tide 2.08
2018-07-21 04:37 AM EDT Low Tide 0.48
2018-07-21 10:26 AM EDT High Tide 1.86
2018-07-21 04:51 PM EDT Low Tide 0.32
2018-07-21 11:11 PM EDT High Tide 2.08
Colton Point, Potomac River, Maryland:  
2018-07-20 03:19 PM EDT Low Tide 0.14
2018-07-20 10:26 PM EDT High Tide 2.10
2018-07-21 04:10 AM EDT Low Tide 0.22
2018-07-21 10:55 AM EDT High Tide 1.84
2018-07-21 04:12 PM EDT Low Tide 0.20
2018-07-21 11:22 PM EDT High Tide 2.10
Dahlgren, Upper Machodoc Creek, Potomac River, Virginia:  
2018-07-20 04:29 PM EDT Low Tide 0.13
2018-07-20 11:02 PM EDT High Tide 1.87
2018-07-21 05:20 AM EDT Low Tide 0.20
2018-07-21 11:31 AM EDT High Tide 1.64
2018-07-21 05:22 PM EDT Low Tide 0.18
2018-07-21 11:58 PM EDT High Tide 1.88
Goose Creek, Port Tobacco River, Potomac River, Maryland:  
2018-07-20 04:55 PM EDT Low Tide 0.12
2018-07-20 11:36 PM EDT High Tide 1.74
2018-07-21 05:46 AM EDT Low Tide 0.18
2018-07-21 12:05 PM EDT High Tide 1.53
2018-07-21 05:48 PM EDT Low Tide 0.16
2018-07-22 12:32 AM EDT High Tide 1.75
Hopyard Landing, Rappahannock River, Virginia:  
2018-07-20 02:06 PM EDT High Tide 2.17
2018-07-20 08:05 PM EDT Low Tide 0.13
2018-07-21 02:37 AM EDT High Tide 2.42
2018-07-21 08:56 AM EDT Low Tide 0.20
2018-07-21 03:06 PM EDT High Tide 2.12
2018-07-21 08:58 PM EDT Low Tide 0.18
Indian Head, Potomac River, Maryland:  
2018-07-20 02:59 PM EDT High Tide 1.88
2018-07-20 08:29 PM EDT Low Tide 0.14
2018-07-21 03:30 AM EDT High Tide 2.10
2018-07-21 09:20 AM EDT Low Tide 0.22
2018-07-21 03:59 PM EDT High Tide 1.84
2018-07-21 09:22 PM EDT Low Tide 0.20
Liverpool Point, Potomac River, Maryland:  
2018-07-20 02:34 PM EDT High Tide 1.28
2018-07-20 08:04 PM EDT Low Tide 0.13
2018-07-21 03:05 AM EDT High Tide 1.42
2018-07-21 08:55 AM EDT Low Tide 0.20
2018-07-21 03:34 PM EDT High Tide 1.24
2018-07-21 08:57 PM EDT Low Tide 0.18
Lower Cedar Point, Potomac River, Maryland:  
2018-07-20 04:06 PM EDT Low Tide 0.12
2018-07-20 10:56 PM EDT High Tide 1.74
2018-07-21 04:57 AM EDT Low Tide 0.18
2018-07-21 11:25 AM EDT High Tide 1.53
2018-07-21 04:59 PM EDT Low Tide 0.16
2018-07-21 11:52 PM EDT High Tide 1.75
Marshall Hall, Potomac River, Maryland:  
2018-07-20 03:23 PM EDT High Tide 2.38
2018-07-20 09:07 PM EDT Low Tide 0.18
2018-07-21 03:54 AM EDT High Tide 2.65
2018-07-21 09:58 AM EDT Low Tide 0.28
2018-07-21 04:23 PM EDT High Tide 2.32
2018-07-21 10:00 PM EDT Low Tide 0.25
Massaponax Sand & Gravel, Rappahannock River, Virginia:  
2018-07-20 02:34 PM EDT High Tide 2.55
2018-07-20 09:21 PM EDT Low Tide 0.26
2018-07-21 03:05 AM EDT High Tide 2.84
2018-07-21 10:12 AM EDT Low Tide 0.40
2018-07-21 03:34 PM EDT High Tide 2.49
2018-07-21 10:14 PM EDT Low Tide 0.36
Mathias Point, Potomac River, Virginia:  
2018-07-20 05:06 PM EDT Low Tide 0.13
2018-07-20 11:44 PM EDT High Tide 1.42
2018-07-21 05:57 AM EDT Low Tide 0.20
2018-07-21 12:13 PM EDT High Tide 1.24
2018-07-21 05:59 PM EDT Low Tide 0.18
2018-07-22 12:40 AM EDT High Tide 1.42
Mills Point (south of), Wicomico River, Maryland:  
2018-07-20 03:57 PM EDT Low Tide 0.14
2018-07-20 10:39 PM EDT High Tide 2.10
2018-07-21 04:48 AM EDT Low Tide 0.22
2018-07-21 11:08 AM EDT High Tide 1.84
2018-07-21 04:50 PM EDT Low Tide 0.20
2018-07-21 11:35 PM EDT High Tide 2.10
Mount Holly, Nomini Creek, Potomac River, Virginia:  
2018-07-20 03:48 PM EDT Low Tide 0.13
2018-07-20 10:53 PM EDT High Tide 1.74
2018-07-21 04:39 AM EDT Low Tide 0.20
2018-07-21 11:22 AM EDT High Tide 1.53
2018-07-21 04:41 PM EDT Low Tide 0.18
2018-07-21 11:49 PM EDT High Tide 1.75
Port Royal, Rappahannock River, Virginia:  
2018-07-20 07:00 PM EDT Low Tide 0.13
2018-07-21 01:25 AM EDT High Tide 2.19
2018-07-21 07:51 AM EDT Low Tide 0.20
2018-07-21 01:54 PM EDT High Tide 1.92
2018-07-21 07:53 PM EDT Low Tide 0.18
Quantico, Potomac River, Virginia:  
2018-07-20 02:21 PM EDT High Tide 1.48
2018-07-20 07:58 PM EDT Low Tide 0.13
2018-07-21 02:52 AM EDT High Tide 1.65
2018-07-21 08:49 AM EDT Low Tide 0.20
2018-07-21 03:21 PM EDT High Tide 1.44
2018-07-21 08:51 PM EDT Low Tide 0.18
Rappahannock Bend, Virginia:  
2018-07-20 07:29 PM EDT Low Tide 0.34
2018-07-21 01:41 AM EDT High Tide 2.49
2018-07-21 08:17 AM EDT Low Tide 0.43
2018-07-21 02:04 PM EDT High Tide 2.17
2018-07-21 08:23 PM EDT Low Tide 0.39
Riverside, Potomac River, Maryland:  
2018-07-20 05:38 PM EDT Low Tide 0.10
2018-07-21 12:21 AM EDT High Tide 1.55
2018-07-21 06:29 AM EDT Low Tide 0.16
2018-07-21 12:50 PM EDT High Tide 1.36
2018-07-21 06:31 PM EDT Low Tide 0.14
Saunders Wharf, Rappahannock River, Virginia:  
2018-07-20 05:21 PM EDT Low Tide 0.13
2018-07-20 11:51 PM EDT High Tide 1.74
2018-07-21 06:12 AM EDT Low Tide 0.20
2018-07-21 12:20 PM EDT High Tide 1.53
2018-07-21 06:14 PM EDT Low Tide 0.18
2018-07-22 12:47 AM EDT High Tide 1.75

Currents Information

Date Time Current Type Speed
Freestone Point, 2.3 miles east of, Maryland Current:  
2018-07-20 02:17 PM EDT Slack, Ebb Begins -0.00 knots
2018-07-20 06:01 PM EDT Max Ebb -0.72 knots
2018-07-20 09:08 PM EDT Slack, Flood Begins 0.00 knots
2018-07-21 12:44 AM EDT Max Flood 0.93 knots
2018-07-21 03:52 AM EDT Slack, Ebb Begins -0.00 knots
2018-07-21 07:16 AM EDT Max Ebb -0.69 knots
2018-07-21 10:44 AM EDT Slack, Flood Begins 0.00 knots
2018-07-21 01:13 PM EDT Max Flood 0.40 knots
2018-07-21 03:14 PM EDT Slack, Ebb Begins -0.00 knots
2018-07-21 06:56 PM EDT Max Ebb -0.66 knots
2018-07-21 09:57 PM EDT Slack, Flood Begins 0.00 knots
Hallowing Point, Maryland Current:  
2018-07-20 02:21 PM EDT Slack, Ebb Begins -0.00 knots
2018-07-20 05:52 PM EDT Max Ebb -1.13 knots
2018-07-20 09:23 PM EDT Slack, Flood Begins 0.00 knots
2018-07-21 12:40 AM EDT Max Flood 1.45 knots
2018-07-21 03:56 AM EDT Slack, Ebb Begins -0.00 knots
2018-07-21 07:07 AM EDT Max Ebb -1.08 knots
2018-07-21 10:59 AM EDT Slack, Flood Begins 0.00 knots
2018-07-21 01:09 PM EDT Max Flood 0.62 knots
2018-07-21 03:18 PM EDT Slack, Ebb Begins -0.00 knots
2018-07-21 06:47 PM EDT Max Ebb -1.02 knots
2018-07-21 10:12 PM EDT Slack, Flood Begins 0.00 knots
Jones Point, Alexandria, Virginia Current:  
2018-07-20 02:54 PM EDT Slack, Ebb Begins -0.00 knots
2018-07-20 06:14 PM EDT Max Ebb -0.89 knots
2018-07-20 09:47 PM EDT Slack, Flood Begins 0.00 knots
2018-07-21 12:46 AM EDT Max Flood 1.24 knots
2018-07-21 04:29 AM EDT Slack, Ebb Begins -0.00 knots
2018-07-21 07:29 AM EDT Max Ebb -0.84 knots
2018-07-21 11:23 AM EDT Slack, Flood Begins 0.00 knots
2018-07-21 01:15 PM EDT Max Flood 0.53 knots
2018-07-21 03:51 PM EDT Slack, Ebb Begins -0.00 knots
2018-07-21 07:09 PM EDT Max Ebb -0.80 knots
2018-07-21 10:36 PM EDT Slack, Flood Begins 0.00 knots
Maryland Point, Maryland Current:  
2018-07-20 04:48 PM EDT Max Ebb -1.45 knots
2018-07-20 08:07 PM EDT Slack, Flood Begins 0.00 knots
2018-07-20 11:31 PM EDT Max Flood 1.45 knots
2018-07-21 02:38 AM EDT Slack, Ebb Begins -0.00 knots
2018-07-21 06:03 AM EDT Max Ebb -1.38 knots
2018-07-21 09:43 AM EDT Slack, Flood Begins 0.00 knots
2018-07-21 12:00 PM EDT Max Flood 0.62 knots
2018-07-21 02:00 PM EDT Slack, Ebb Begins -0.00 knots
2018-07-21 05:43 PM EDT Max Ebb -1.31 knots
2018-07-21 08:56 PM EDT Slack, Flood Begins 0.00 knots
2018-07-22 12:26 AM EDT Max Flood 1.49 knots
Persimmon Point, Maryland Current:  
2018-07-20 04:43 PM EDT Max Ebb -1.45 knots
2018-07-20 08:02 PM EDT Slack, Flood Begins 0.00 knots
2018-07-20 11:26 PM EDT Max Flood 1.55 knots
2018-07-21 02:33 AM EDT Slack, Ebb Begins -0.00 knots
2018-07-21 05:58 AM EDT Max Ebb -1.38 knots
2018-07-21 09:38 AM EDT Slack, Flood Begins 0.00 knots
2018-07-21 11:55 AM EDT Max Flood 0.67 knots
2018-07-21 01:55 PM EDT Slack, Ebb Begins -0.00 knots
2018-07-21 05:38 PM EDT Max Ebb -1.31 knots
2018-07-21 08:51 PM EDT Slack, Flood Begins 0.00 knots
2018-07-22 12:21 AM EDT Max Flood 1.60 knots
Potomac River Bridge, 0.4 mile south of, Maryland Current:  
2018-07-20 04:50 PM EDT Max Ebb -1.45 knots
2018-07-20 07:46 PM EDT Slack, Flood Begins 0.00 knots
2018-07-20 11:17 PM EDT Max Flood 1.14 knots
2018-07-21 02:42 AM EDT Slack, Ebb Begins -0.00 knots
2018-07-21 06:05 AM EDT Max Ebb -1.38 knots
2018-07-21 09:22 AM EDT Slack, Flood Begins 0.00 knots
2018-07-21 11:46 AM EDT Max Flood 0.49 knots
2018-07-21 02:04 PM EDT Slack, Ebb Begins -0.00 knots
2018-07-21 05:45 PM EDT Max Ebb -1.31 knots
2018-07-21 08:35 PM EDT Slack, Flood Begins 0.00 knots
2018-07-22 12:12 AM EDT Max Flood 1.17 knots
Quantico Creek entrance, Virginia Current:  
2018-07-20 04:33 PM EDT Max Ebb -0.48 knots
2018-07-20 07:52 PM EDT Slack, Flood Begins 0.00 knots
2018-07-20 11:16 PM EDT Max Flood 0.62 knots
2018-07-21 02:23 AM EDT Slack, Ebb Begins -0.00 knots
2018-07-21 05:48 AM EDT Max Ebb -0.46 knots
2018-07-21 09:28 AM EDT Slack, Flood Begins 0.00 knots
2018-07-21 11:45 AM EDT Max Flood 0.27 knots
2018-07-21 01:45 PM EDT Slack, Ebb Begins -0.00 knots
2018-07-21 05:28 PM EDT Max Ebb -0.44 knots
2018-07-21 08:41 PM EDT Slack, Flood Begins 0.00 knots
2018-07-22 12:11 AM EDT Max Flood 0.64 knots
Quantico, Virginia Current:  
2018-07-20 04:58 PM EDT Max Ebb -0.89 knots
2018-07-20 08:17 PM EDT Slack, Flood Begins 0.00 knots
2018-07-20 11:41 PM EDT Max Flood 0.93 knots
2018-07-21 02:48 AM EDT Slack, Ebb Begins -0.00 knots
2018-07-21 06:13 AM EDT Max Ebb -0.84 knots
2018-07-21 09:53 AM EDT Slack, Flood Begins 0.00 knots
2018-07-21 12:10 PM EDT Max Flood 0.40 knots
2018-07-21 02:10 PM EDT Slack, Ebb Begins -0.00 knots
2018-07-21 05:53 PM EDT Max Ebb -0.80 knots
2018-07-21 09:06 PM EDT Slack, Flood Begins 0.00 knots
2018-07-22 12:36 AM EDT Max Flood 0.96 knots
Swan Point, Virginia Current:  
2018-07-20 03:58 PM EDT Max Ebb -0.80 knots
2018-07-20 07:17 PM EDT Slack, Flood Begins 0.00 knots
2018-07-20 10:41 PM EDT Max Flood 0.41 knots
2018-07-21 01:48 AM EDT Slack, Ebb Begins -0.00 knots
2018-07-21 05:13 AM EDT Max Ebb -0.77 knots
2018-07-21 08:53 AM EDT Slack, Flood Begins 0.00 knots
2018-07-21 11:10 AM EDT Max Flood 0.18 knots
2018-07-21 01:10 PM EDT Slack, Ebb Begins -0.00 knots
2018-07-21 04:53 PM EDT Max Ebb -0.73 knots
2018-07-21 08:06 PM EDT Slack, Flood Begins 0.00 knots
2018-07-21 11:36 PM EDT Max Flood 0.43 knots