Tides Today & Tomorrow in Great Machipongo Inlet, VA

TIDE TIMES for Friday, July 17, 2026
The tide is currently rising in Great Machipongo Inlet, VA.

Next low tide (tomorrow) : 6:17 am (-0.2 ft)
Next high tide (tomorrow) : in 4h 02m at 12:01 am (4.9 ft)
Sunset today : 8:22 pm
Sunrise tomorrow : 5:55 am
Moon phase : Waxing Crescent (14% illuminated)
Tide Station Location : Station #8631411
Common Questions About Tides

Great Machipongo Inlet, VA Tides - Jul 2026

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Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date
1	Wed	10:13	3.4	10:39	4.7	4:16	0.5	3:59	0.3	5:45	8:27		1	Wed
2	Thu	10:55	3.5	11:18	4.6	4:53	0.5	4:40	0.3	5:46	8:27		2	Thu
3	Fri	11:36	3.5	11:57	4.5	5:32	0.5	5:23	0.5	5:46	8:27		3	Fri
4	Sat			12:18	3.6	6:11	0.5	6:10	0.6	5:47	8:27		4	Sat
5	Sun	12:36	4.4	1:03	3.8	6:52	0.5	7:01	0.7	5:47	8:27		5	Sun
6	Mon	1:18	4.2	1:50	3.9	7:34	0.5	7:56	0.7	5:48	8:26		6	Mon
7	Tue	2:05	3.9	2:44	4.1	8:19	0.4	8:55	0.8	5:49	8:26		7	Tue
8	Wed	2:58	3.7	3:42	4.4	9:08	0.3	9:58	0.7	5:49	8:26		8	Wed
9	Thu	3:57	3.5	4:43	4.7	10:01	0.2	11:03	0.6	5:50	8:26		9	Thu
10	Fri	5:00	3.4	5:43	5.0	10:58	0.0			5:50	8:25		10	Fri
11	Sat	6:01	3.5	6:43	5.3	12:08	0.4	11:58 AM	-0.2	5:51	8:25		11	Sat
12	Sun	7:01	3.5	7:41	5.5	1:10	0.1	12:58	-0.4	5:52	8:24		12	Sun
13	Mon	7:58	3.7	8:37	5.6	2:08	-0.1	1:56	-0.6	5:52	8:24		13	Mon
14	Tue	8:55	3.8	9:31	5.6	3:02	-0.3	2:52	-0.8	5:53	8:24		14	Tue
15	Wed	9:50	4.0	10:23	5.5	3:53	-0.4	3:46	-0.8	5:54	8:23		15	Wed
16	Thu	10:43	4.1	11:13	5.2	4:42	-0.4	4:40	-0.7	5:54	8:23		16	Thu
17	Fri	11:36	4.1			5:29	-0.4	5:34	-0.4	5:55	8:22		17	Fri
18	Sat	12:01	4.9	12:27	4.1	6:17	-0.2	6:30	-0.1	5:56	8:21		18	Sat
19	Sun	12:48	4.4	1:18	4.1	7:03	-0.1	7:27	0.3	5:57	8:21		19	Sun
20	Mon	1:35	3.9	2:10	4.1	7:49	0.2	8:26	0.6	5:57	8:20		20	Mon
21	Tue	2:24	3.5	3:05	4.0	8:36	0.4	9:26	0.8	5:58	8:20		21	Tue
22	Wed	3:17	3.2	4:03	4.0	9:23	0.6	10:28	1.0	5:59	8:19		22	Wed
23	Thu	4:14	3.0	5:01	4.0	10:12	0.7	11:30	1.1	6:00	8:18		23	Thu
24	Fri	5:12	2.9	5:55	4.1	11:03	0.7			6:00	8:17		24	Fri
25	Sat	6:05	2.9	6:44	4.3	12:28	1.1	11:55 AM	0.7	6:01	8:17		25	Sat
26	Sun	6:54	3.0	7:30	4.4	1:17	1.0	12:45	0.6	6:02	8:16		26	Sun
27	Mon	7:39	3.2	8:13	4.6	1:58	0.9	1:32	0.4	6:03	8:15		27	Mon
28	Tue	8:23	3.4	8:54	4.7	2:36	0.7	2:16	0.3	6:04	8:14		28	Tue
29	Wed	9:06	3.6	9:34	4.8	3:11	0.6	2:57	0.2	6:04	8:13		29	Wed
30	Thu	9:47	3.7	10:13	4.8	3:47	0.5	3:38	0.2	6:05	8:12		30	Thu
31	Fri	10:29	3.9	10:51	4.8	4:22	0.4	4:19	0.2	6:06	8:11		31	Fri
Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date

Tidal Data Source: (8631411)

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When is the lowest tide this week in Great Machipongo Inlet, VA?

The lowest tide this week in Great Machipongo Inlet, VA is -0.2 ft on Saturday, Jul 18 at 6:17 am.

When is the highest tide this week in Great Machipongo Inlet, VA?

The highest tide this week in Great Machipongo Inlet, VA is 4.9 ft on Saturday, Jul 18 at 12:01 am — worth noting for launching your boat and being alert for possible high tide flooding.

What time does the tide turn (slack tide) in Great Machipongo Inlet, VA today?

Slack tide in Great Machipongo Inlet, VA is approximately 3:09 am — midway between the next high and low tide, when tidal current is weakest. This is the preferred window for boat crossings, underwater visibility, and fishing in areas with strong currents.

Is this week a spring tide or neap tide in Great Machipongo Inlet, VA?

Great Machipongo Inlet, VA is currently in a spring phase. Tonight's moon is 14% illuminated. Spring tides (largest swings) occur near new and full moons; neap tides (smallest swings) occur near first and third quarter moons. Tidal ranges this week are near their weekly maximum.

What datum are Great Machipongo Inlet, VA tide heights measured from?

Tide heights on this page are measured from Mean Lower Low Water (MLLW), the U.S. NOAA standard. A height of 0 ft represents the 19-year average of each day's lower low tide. Negative values indicate a "minus tide" — water levels below that long-term reference.

What factors can affect the tide predictions for Great Machipongo Inlet, VA?

Tide predictions for Great Machipongo Inlet, VA come from NOAA's harmonic analysis and are typically accurate within about ±10 minutes on timing and ±0.5 ft on height. Actual water levels can deviate further due to sustained winds, atmospheric pressure changes, river flow, and storm surge. During major weather events, be sure to check US Harbors weather pages for factors that could impact tidal predictions.

Which NOAA station provides tide data for Great Machipongo Inlet, VA?

Tide data for Great Machipongo Inlet, VA is sourced from NOAA Station #8631411. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8631411.

What time is high tide in Great Machipongo Inlet, VA today?

High tides in Great Machipongo Inlet, VA today: 11:36 am (4.1 ft).

What time is low tide in Great Machipongo Inlet, VA today?

Low tides in Great Machipongo Inlet, VA today: 5:29 am (-0.4 ft), 5:34 pm (-0.4 ft). The 5:29 am low of -0.4 ft is a minus tide — water below the MLLW reference datum, which can expose tidepools, mudflats, and shellfish beds not normally accessible.

What is the tidal range in Great Machipongo Inlet, VA today?

Today's tidal range in Great Machipongo Inlet, VA is 4.5 ft — the difference between the day's highest and lowest water level. This month's average daily range is about 4.5 ft, so today's swing is typical.

What is the moon phase in Great Machipongo Inlet, VA tonight?

Tonight the moon over Great Machipongo Inlet, VA is Waxing Crescent (14% illuminated). This places Great Machipongo Inlet, VA in a spring tide cycle, so tidal ranges are near their weekly maximum this week.

What type of tides does Great Machipongo Inlet, VA have — semi-diurnal, diurnal, or mixed?

Great Machipongo Inlet, VA has mixed tides — two high tides and two low tides per day with noticeably different heights — common on the U.S. West Coast.

US Harbors Tidal Data

The data in our tide charts, tide tables, and tide graphs is provided by NOAA and others. These predictions are derived mathematically from numerous inputs, including data from historical tide stations and nearby locations where sensors are actively recording. As shown in the tide graph at the top of this page, “Predicted” tides (blue) are what forecasting models expect to happen. “Observed” tides (red) are those recorded by local sensors in real time, overlaid on the predictions for direct comparison. We display Observed water levels for a select group of harbors including Portland, Maine, where a physical sensor monitors water levels in real time.

LEARN MORE ABOUT OUR TIDE DATA

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