Name: Quantico Tides – Jan 2022
Start: 2022-01-01T00:00:00-07:00
End: 2022-01-31T23:59:59-07:00
Location: Quantico

Quantico Tide Chart for (Sat) January 1, 2022

Quantico tide chart for Saturday, January 1, 2022

Quantico tides for Jan 1st, the sunrise is 7:26am-4:59pm and the tide times are H 5:25am 1'2" L 10:58am -0'2" H 5:40pm 1'6" .

Quantico Tide Chart for (Sun) January 2, 2022

Quantico tide chart for Sunday, January 2, 2022

Quantico tides for Jan 2nd, the sunrise is 7:26am-4:59pm and the tide times are L 12:07am -0'3" H 6:21am 1'3" L 11:59am -0'2" H 6:36pm 1'6" .

Quantico Tide Chart for (Mon) January 3, 2022

Quantico tide chart for Monday, January 3, 2022

Quantico tides for Jan 3rd, the sunrise is 7:26am-5:00pm and the tide times are L 1:00am -0'3" H 7:15am 1'3" L 12:57pm -0'3" H 7:32pm 1'6" .

Quantico Tide Chart for (Tue) January 4, 2022

Quantico tide chart for Tuesday, January 4, 2022

Quantico tides for Jan 4th, the sunrise is 7:27am-5:01pm and the tide times are L 1:52am -0'3" H 8:08am 1'3" L 1:53pm -0'3" H 8:27pm 1'6" .

Quantico Tide Chart for (Wed) January 5, 2022

Quantico tide chart for Wednesday, January 5, 2022

Quantico tides for Jan 5th, the sunrise is 7:27am-5:02pm and the tide times are L 2:41am -0'3" H 9:01am 1'3" L 2:48pm -0'3" H 9:22pm 1'5" .

Quantico Tide Chart for (Thu) January 6, 2022

Quantico tide chart for Thursday, January 6, 2022

Quantico tides for Jan 6th, the sunrise is 7:26am-5:03pm and the tide times are L 3:30am -0'3" H 9:54am 1'3" L 3:42pm -0'3" H 10:17pm 1'4" .

Quantico Tide Chart for (Fri) January 7, 2022

Quantico tide chart for Friday, January 7, 2022

Quantico tides for Jan 7th, the sunrise is 7:26am-5:04pm and the tide times are L 4:18am -0'3" H 10:49am 1'3" L 4:36pm -0'2" H 11:13pm 1'4" .

Quantico Tide Chart for (Sat) January 8, 2022

Quantico tide chart for Saturday, January 8, 2022

Quantico tides for Jan 8th, the sunrise is 7:26am-5:05pm and the tide times are L 5:05am -0'2" H 11:43am 1'3" L 5:31pm -0'1" .

Quantico Tide Chart for (Sun) January 9, 2022

Quantico tide chart for Sunday, January 9, 2022

Quantico tides for Jan 9th, the sunrise is 7:26am-5:06pm and the tide times are H 12:09am 1'3" L 5:51am -0'1" H 12:39pm 1'3" L 6:26pm -0'1" .

Quantico Tide Chart for (Mon) January 10, 2022

Quantico tide chart for Monday, January 10, 2022

Quantico tides for Jan 10th, the sunrise is 7:26am-5:07pm and the tide times are H 1:06am 1'2" L 6:38am -0'1" H 1:33pm 1'3" L 7:23pm -0'0" .

Quantico Tide Chart for (Tue) January 11, 2022

Quantico tide chart for Tuesday, January 11, 2022

Quantico tides for Jan 11th, the sunrise is 7:26am-5:08pm and the tide times are H 2:03am 1'1" L 7:25am -0'0" H 2:27pm 1'3" L 8:20pm -0'0" .

Quantico Tide Chart for (Wed) January 12, 2022

Quantico tide chart for Wednesday, January 12, 2022

Quantico tides for Jan 12th, the sunrise is 7:26am-5:09pm and the tide times are H 2:58am 1'1" L 8:13am -0'0" H 3:19pm 1'3" L 9:14pm -0'0" .

Quantico Tide Chart for (Thu) January 13, 2022

Quantico tide chart for Thursday, January 13, 2022

Quantico tides for Jan 13th, the sunrise is 7:25am-5:10pm and the tide times are H 3:50am 1'1" L 9:03am -0'0" H 4:08pm 1'3" L 10:07pm -0'0" .

Quantico Tide Chart for (Fri) January 14, 2022

Quantico tide chart for Friday, January 14, 2022

Quantico tides for Jan 14th, the sunrise is 7:25am-5:11pm and the tide times are H 4:41am 1'1" L 9:53am -0'0" H 4:56pm 1'3" L 10:56pm -0'0" .

Quantico Tide Chart for (Sat) January 15, 2022

Quantico tide chart for Saturday, January 15, 2022

Quantico tides for Jan 15th, the sunrise is 7:25am-5:12pm and the tide times are H 5:28am 1'1" L 10:41am -0'0" H 5:40pm 1'3" L 11:41pm -0'0" .

Quantico Tide Chart for (Sun) January 16, 2022

Quantico tide chart for Sunday, January 16, 2022

Quantico tides for Jan 16th, the sunrise is 7:25am-5:13pm and the tide times are H 6:13am 1'1" L 11:28am -0'0" H 6:22pm 1'3" .

Quantico Tide Chart for (Mon) January 17, 2022

Quantico tide chart for Monday, January 17, 2022

Quantico tides for Jan 17th, the sunrise is 7:24am-5:14pm and the tide times are L 12:24am -0'0" H 6:54am 1'1" L 12:12pm -0'0" H 7:01pm 1'3" .

Quantico Tide Chart for (Tue) January 18, 2022

Quantico tide chart for Tuesday, January 18, 2022

Quantico tides for Jan 18th, the sunrise is 7:24am-5:15pm and the tide times are L 1:04am -0'0" H 7:32am 1'2" L 12:55pm -0'0" H 7:38pm 1'3" .

Quantico Tide Chart for (Wed) January 19, 2022

Quantico tide chart for Wednesday, January 19, 2022

Quantico tides for Jan 19th, the sunrise is 7:23am-5:16pm and the tide times are L 1:42am -0'0" H 8:07am 1'2" L 1:35pm -0'0" H 8:14pm 1'4" .

Quantico Tide Chart for (Thu) January 20, 2022

Quantico tide chart for Thursday, January 20, 2022

Quantico tides for Jan 20th, the sunrise is 7:23am-5:17pm and the tide times are L 2:18am -0'1" H 8:41am 1'2" L 2:16pm -0'0" H 8:50pm 1'4" .

Quantico Tide Chart for (Fri) January 21, 2022

Quantico tide chart for Friday, January 21, 2022

Quantico tides for Jan 21st, the sunrise is 7:22am-5:18pm and the tide times are L 2:53am -0'1" H 9:15am 1'3" L 2:57pm -0'0" H 9:29pm 1'4" .

Quantico Tide Chart for (Sat) January 22, 2022

Quantico tide chart for Saturday, January 22, 2022

Quantico tides for Jan 22nd, the sunrise is 7:22am-5:19pm and the tide times are L 3:27am -0'1" H 9:53am 1'3" L 3:41pm -0'0" H 10:13pm 1'4" .

Quantico Tide Chart for (Sun) January 23, 2022

Quantico tide chart for Sunday, January 23, 2022

Quantico tides for Jan 23rd, the sunrise is 7:21am-5:21pm and the tide times are L 4:02am -0'1" H 10:36am 1'4" L 4:30pm -0'0" H 11:01pm 1'3" .

Quantico Tide Chart for (Mon) January 24, 2022

Quantico tide chart for Monday, January 24, 2022

Quantico tides for Jan 24th, the sunrise is 7:20am-5:22pm and the tide times are L 4:42am -0'1" H 11:24am 1'4" L 5:24pm -0'0" H 11:54pm 1'3" .

Quantico Tide Chart for (Tue) January 25, 2022

Quantico tide chart for Tuesday, January 25, 2022

Quantico tides for Jan 25th, the sunrise is 7:20am-5:23pm and the tide times are L 5:26am -0'1" H 12:17pm 1'5" L 6:27pm 0'0" .

Quantico Tide Chart for (Wed) January 26, 2022

Quantico tide chart for Wednesday, January 26, 2022

Quantico tides for Jan 26th, the sunrise is 7:19am-5:24pm and the tide times are H 12:54am 1'2" L 6:17am -0'1" H 1:15pm 1'5" L 7:37pm 0'0" .

Quantico Tide Chart for (Thu) January 27, 2022

Quantico tide chart for Thursday, January 27, 2022

Quantico tides for Jan 27th, the sunrise is 7:18am-5:25pm and the tide times are H 1:59am 1'2" L 7:17am -0'0" H 2:18pm 1'5" L 8:47pm -0'0" .

Quantico Tide Chart for (Fri) January 28, 2022

Quantico tide chart for Friday, January 28, 2022

Quantico tides for Jan 28th, the sunrise is 7:17am-5:26pm and the tide times are H 3:06am 1'2" L 8:27am -0'0" H 3:22pm 1'5" L 9:52pm -0'0" .

Quantico Tide Chart for (Sat) January 29, 2022

Quantico tide chart for Saturday, January 29, 2022

Quantico tides for Jan 29th, the sunrise is 7:17am-5:27pm and the tide times are H 4:09am 1'2" L 9:41am -0'0" H 4:26pm 1'5" L 10:52pm -0'1" .

Quantico Tide Chart for (Sun) January 30, 2022

Quantico tide chart for Sunday, January 30, 2022

Quantico tides for Jan 30th, the sunrise is 7:16am-5:29pm and the tide times are H 5:10am 1'2" L 10:49am -0'1" H 5:28pm 1'5" L 11:48pm -0'2" .

Quantico Tide Chart for (Mon) January 31, 2022

Quantico tide chart for Monday, January 31, 2022

Quantico tides for Jan 31st, the sunrise is 7:15am-5:30pm and the tide times are H 6:06am 1'3" L 11:50am -0'2" H 6:26pm 1'6" .

Sun

Mon

Tue

Wed

Thu

Fri

Sat

Quantico Tide Table for January 2022

View tide tables in a column-row format below, with a "diff" column to spot large tide height swings—great for anglers. Scroll down for a textual format, ideal for reading or sharing.

-	diff	Tides			diff	Tides			diff	Tides			diff	Tides			diff	Sun	Moon
1/1	N/A	H	1'2"	5:25AM	1'4"	L	-0'2"	10:58AM	1'8"	H	1'6"	5:40PM	1'9"	-	-	-	-	07:26-16:59	06:21-15:45
1/2	1'9"	L	-0'3"	12:07AM	1'6"	H	1'3"	6:21AM	1'5"	L	-0'2"	11:59AM	1'9"	H	1'6"	6:36PM	1'10"	07:26-16:59	07:32-16:50
1/3	1'10"	L	-0'3"	1:00AM	1'6"	H	1'3"	7:15AM	1'6"	L	-0'3"	12:57PM	1'9"	H	1'6"	7:32PM	1'10"	07:26-17:00	08:34-18:02
1/4	1'10"	L	-0'3"	1:52AM	1'7"	H	1'3"	8:08AM	1'7"	L	-0'3"	1:53PM	1'9"	H	1'6"	8:27PM	1'9"	07:27-17:01	09:24-19:18
1/5	1'9"	L	-0'3"	2:41AM	1'7"	H	1'3"	9:01AM	1'7"	L	-0'3"	2:48PM	1'8"	H	1'5"	9:22PM	1'9"	07:27-17:02	10:04-20:31
1/6	1'9"	L	-0'3"	3:30AM	1'7"	H	1'3"	9:54AM	1'6"	L	-0'3"	3:42PM	1'7"	H	1'4"	10:17PM	1'7"	07:26-17:03	10:37-21:41
1/7	1'7"	L	-0'3"	4:18AM	1'6"	H	1'3"	10:49AM	1'6"	L	-0'2"	4:36PM	1'6"	H	1'4"	11:13PM	1'6"	07:26-17:04	11:04-22:47
1/8	1'6"	L	-0'2"	5:05AM	1'6"	H	1'3"	11:43AM	1'5"	L	-0'1"	5:31PM	1'5"	-	-	-	-	07:26-17:05	11:30-23:50
1/9	1'5"	H	1'3"	12:09AM	1'5"	L	-0'1"	5:51AM	1'5"	H	1'3"	12:39PM	1'4"	L	-0'1"	6:26PM	1'3"	07:26-17:06	11:54-00:00
1/10	1'3"	H	1'2"	1:06AM	1'3"	L	-0'1"	6:38AM	1'5"	H	1'3"	1:33PM	1'4"	L	-0'0"	7:23PM	1'2"	07:26-17:07	12:17-00:51
1/11	1'2"	H	1'1"	2:03AM	1'2"	L	-0'0"	7:25AM	1'4"	H	1'3"	2:27PM	1'3"	L	-0'0"	8:20PM	1'1"	07:26-17:08	12:43-01:51
1/12	1'1"	H	1'1"	2:58AM	1'2"	L	-0'0"	8:13AM	1'4"	H	1'3"	3:19PM	1'3"	L	-0'0"	9:14PM	1'1"	07:26-17:09	13:11-02:51
1/13	1'1"	H	1'1"	3:50AM	1'1"	L	-0'0"	9:03AM	1'3"	H	1'3"	4:08PM	1'3"	L	-0'0"	10:07PM	1'1"	07:25-17:10	13:43-03:51
1/14	1'1"	H	1'1"	4:41AM	1'1"	L	-0'0"	9:53AM	1'3"	H	1'3"	4:56PM	1'4"	L	-0'0"	10:56PM	1'1"	07:25-17:11	14:21-04:50
1/15	1'1"	H	1'1"	5:28AM	1'1"	L	-0'0"	10:41AM	1'3"	H	1'3"	5:40PM	1'4"	L	-0'0"	11:41PM	1'2"	07:25-17:12	15:05-05:47
1/16	1'2"	H	1'1"	6:13AM	1'2"	L	-0'0"	11:28AM	1'4"	H	1'3"	6:22PM	1'4"	-	-	-	-	07:25-17:13	15:56-06:40
1/17	1'4"	L	-0'0"	12:24AM	1'2"	H	1'1"	6:54AM	1'2"	L	-0'0"	12:12PM	1'4"	H	1'3"	7:01PM	1'4"	07:24-17:14	16:52-07:28
1/18	1'4"	L	-0'0"	1:04AM	1'2"	H	1'2"	7:32AM	1'2"	L	-0'0"	12:55PM	1'4"	H	1'3"	7:38PM	1'4"	07:24-17:15	17:53-08:10
1/19	1'4"	L	-0'0"	1:42AM	1'3"	H	1'2"	8:07AM	1'3"	L	-0'0"	1:35PM	1'4"	H	1'4"	8:14PM	1'5"	07:23-17:16	18:56-08:47
1/20	1'5"	L	-0'1"	2:18AM	1'3"	H	1'2"	8:41AM	1'3"	L	-0'0"	2:16PM	1'5"	H	1'4"	8:50PM	1'5"	07:23-17:17	20:00-09:18
1/21	1'5"	L	-0'1"	2:53AM	1'4"	H	1'3"	9:15AM	1'3"	L	-0'0"	2:57PM	1'5"	H	1'4"	9:29PM	1'5"	07:22-17:18	21:03-09:46
1/22	1'5"	L	-0'1"	3:27AM	1'5"	H	1'3"	9:53AM	1'4"	L	-0'0"	3:41PM	1'4"	H	1'4"	10:13PM	1'5"	07:22-17:19	22:08-10:12
1/23	1'5"	L	-0'1"	4:02AM	1'5"	H	1'4"	10:36AM	1'4"	L	-0'0"	4:30PM	1'4"	H	1'3"	11:01PM	1'5"	07:21-17:21	23:13-10:37
1/24	1'5"	L	-0'1"	4:42AM	1'6"	H	1'4"	11:24AM	1'4"	L	-0'0"	5:24PM	1'3"	H	1'3"	11:54PM	1'4"	07:20-17:22	00:00-11:03
1/25	1'4"	L	-0'1"	5:26AM	1'6"	H	1'5"	12:17PM	1'4"	L	0'0"	6:27PM	1'2"	-	-	-	-	07:20-17:23	00:20-11:31
1/26	1'2"	H	1'2"	12:54AM	1'3"	L	-0'1"	6:17AM	1'6"	H	1'5"	1:15PM	1'5"	L	0'0"	7:37PM	1'1"	07:19-17:24	01:30-12:03
1/27	1'1"	H	1'2"	1:59AM	1'2"	L	-0'0"	7:17AM	1'6"	H	1'5"	2:18PM	1'5"	L	-0'0"	8:47PM	1'2"	07:18-17:25	02:43-12:41
1/28	1'2"	H	1'2"	3:06AM	1'2"	L	-0'0"	8:27AM	1'6"	H	1'5"	3:22PM	1'6"	L	-0'0"	9:52PM	1'3"	07:17-17:26	03:58-13:29
1/29	1'3"	H	1'2"	4:09AM	1'3"	L	-0'0"	9:41AM	1'6"	H	1'5"	4:26PM	1'7"	L	-0'1"	10:52PM	1'4"	07:17-17:27	05:10-14:27
1/30	1'4"	H	1'2"	5:10AM	1'4"	L	-0'1"	10:49AM	1'7"	H	1'5"	5:28PM	1'8"	L	-0'2"	11:48PM	1'5"	07:16-17:29	06:15-15:35
1/31	1'5"	H	1'3"	6:06AM	1'6"	L	-0'2"	11:50AM	1'8"	H	1'6"	6:26PM	N/A	-	-	-	-	07:15-17:30	07:10-16:49

Quantico Textual Tide Table for January 2022

Jan 1st (Sat)

the sunrise is 7:26am-4:59pm and the tide times are H 5:25am 1'2" L 10:58am -0'2" H 5:40pm 1'6" .

Jan 2nd (Sun)

the sunrise is 7:26am-4:59pm and the tide times are L 12:07am -0'3" H 6:21am 1'3" L 11:59am -0'2" H 6:36pm 1'6" .

Jan 3rd (Mon)

the sunrise is 7:26am-5:00pm and the tide times are L 1:00am -0'3" H 7:15am 1'3" L 12:57pm -0'3" H 7:32pm 1'6" .

Jan 4th (Tue)

the sunrise is 7:27am-5:01pm and the tide times are L 1:52am -0'3" H 8:08am 1'3" L 1:53pm -0'3" H 8:27pm 1'6" .

Jan 5th (Wed)

the sunrise is 7:27am-5:02pm and the tide times are L 2:41am -0'3" H 9:01am 1'3" L 2:48pm -0'3" H 9:22pm 1'5" .

Jan 6th (Thu)

the sunrise is 7:26am-5:03pm and the tide times are L 3:30am -0'3" H 9:54am 1'3" L 3:42pm -0'3" H 10:17pm 1'4" .

Jan 7th (Fri)

the sunrise is 7:26am-5:04pm and the tide times are L 4:18am -0'3" H 10:49am 1'3" L 4:36pm -0'2" H 11:13pm 1'4" .

Jan 8th (Sat)

the sunrise is 7:26am-5:05pm and the tide times are L 5:05am -0'2" H 11:43am 1'3" L 5:31pm -0'1" .

Jan 9th (Sun)

the sunrise is 7:26am-5:06pm and the tide times are H 12:09am 1'3" L 5:51am -0'1" H 12:39pm 1'3" L 6:26pm -0'1" .

Jan 10th (Mon)

the sunrise is 7:26am-5:07pm and the tide times are H 1:06am 1'2" L 6:38am -0'1" H 1:33pm 1'3" L 7:23pm -0'0" .

Jan 11th (Tue)

the sunrise is 7:26am-5:08pm and the tide times are H 2:03am 1'1" L 7:25am -0'0" H 2:27pm 1'3" L 8:20pm -0'0" .

Jan 12th (Wed)

the sunrise is 7:26am-5:09pm and the tide times are H 2:58am 1'1" L 8:13am -0'0" H 3:19pm 1'3" L 9:14pm -0'0" .

Jan 13th (Thu)

the sunrise is 7:25am-5:10pm and the tide times are H 3:50am 1'1" L 9:03am -0'0" H 4:08pm 1'3" L 10:07pm -0'0" .

Jan 14th (Fri)

the sunrise is 7:25am-5:11pm and the tide times are H 4:41am 1'1" L 9:53am -0'0" H 4:56pm 1'3" L 10:56pm -0'0" .

Jan 15th (Sat)

the sunrise is 7:25am-5:12pm and the tide times are H 5:28am 1'1" L 10:41am -0'0" H 5:40pm 1'3" L 11:41pm -0'0" .

Jan 16th (Sun)

the sunrise is 7:25am-5:13pm and the tide times are H 6:13am 1'1" L 11:28am -0'0" H 6:22pm 1'3" .

Jan 17th (Mon)

the sunrise is 7:24am-5:14pm and the tide times are L 12:24am -0'0" H 6:54am 1'1" L 12:12pm -0'0" H 7:01pm 1'3" .

Jan 18th (Tue)

the sunrise is 7:24am-5:15pm and the tide times are L 1:04am -0'0" H 7:32am 1'2" L 12:55pm -0'0" H 7:38pm 1'3" .

Jan 19th (Wed)

the sunrise is 7:23am-5:16pm and the tide times are L 1:42am -0'0" H 8:07am 1'2" L 1:35pm -0'0" H 8:14pm 1'4" .

Jan 20th (Thu)

the sunrise is 7:23am-5:17pm and the tide times are L 2:18am -0'1" H 8:41am 1'2" L 2:16pm -0'0" H 8:50pm 1'4" .

Jan 21st (Fri)

the sunrise is 7:22am-5:18pm and the tide times are L 2:53am -0'1" H 9:15am 1'3" L 2:57pm -0'0" H 9:29pm 1'4" .

Jan 22nd (Sat)

the sunrise is 7:22am-5:19pm and the tide times are L 3:27am -0'1" H 9:53am 1'3" L 3:41pm -0'0" H 10:13pm 1'4" .

Jan 23rd (Sun)

the sunrise is 7:21am-5:21pm and the tide times are L 4:02am -0'1" H 10:36am 1'4" L 4:30pm -0'0" H 11:01pm 1'3" .

Jan 24th (Mon)

the sunrise is 7:20am-5:22pm and the tide times are L 4:42am -0'1" H 11:24am 1'4" L 5:24pm -0'0" H 11:54pm 1'3" .

Jan 25th (Tue)

the sunrise is 7:20am-5:23pm and the tide times are L 5:26am -0'1" H 12:17pm 1'5" L 6:27pm 0'0" .

Jan 26th (Wed)

the sunrise is 7:19am-5:24pm and the tide times are H 12:54am 1'2" L 6:17am -0'1" H 1:15pm 1'5" L 7:37pm 0'0" .

Jan 27th (Thu)

the sunrise is 7:18am-5:25pm and the tide times are H 1:59am 1'2" L 7:17am -0'0" H 2:18pm 1'5" L 8:47pm -0'0" .

Jan 28th (Fri)

the sunrise is 7:17am-5:26pm and the tide times are H 3:06am 1'2" L 8:27am -0'0" H 3:22pm 1'5" L 9:52pm -0'0" .

Jan 29th (Sat)

the sunrise is 7:17am-5:27pm and the tide times are H 4:09am 1'2" L 9:41am -0'0" H 4:26pm 1'5" L 10:52pm -0'1" .

Jan 30th (Sun)

the sunrise is 7:16am-5:29pm and the tide times are H 5:10am 1'2" L 10:49am -0'1" H 5:28pm 1'5" L 11:48pm -0'2" .

Jan 31st (Mon)

the sunrise is 7:15am-5:30pm and the tide times are H 6:06am 1'3" L 11:50am -0'2" H 6:26pm 1'6" .

H	5:25 am	1'2"
L	10:58 am	-0'2"
H	5:40 pm	1'6"
Sun:	7:26 am - 4:59 pm
Moon:	6:21 am - 3:45 pm

L	12:07 am	-0'3"
H	6:21 am	1'3"
L	11:59 am	-0'2"
H	6:36 pm	1'6"
Sun:	7:26 am - 4:59 pm
Moon:	7:32 am - 4:50 pm

L	1:00 am	-0'3"
H	7:15 am	1'3"
L	12:57 pm	-0'3"
H	7:32 pm	1'6"
Sun:	7:26 am - 5:00 pm
Moon:	8:34 am - 6:02 pm

L	1:52 am	-0'3"
H	8:08 am	1'3"
L	1:53 pm	-0'3"
H	8:27 pm	1'6"
Sun:	7:27 am - 5:01 pm
Moon:	9:24 am - 7:18 pm

L	2:41 am	-0'3"
H	9:01 am	1'3"
L	2:48 pm	-0'3"
H	9:22 pm	1'5"
Sun:	7:27 am - 5:02 pm
Moon:	10:04 am - 8:31 pm

Quantico Tides January 2022 | Tide Charts & Tables | Potomac River, VA