Tides Today & Tomorrow in Philadelphia, USCG Station, PA

TIDE TIMES for Monday, September 21, 2026
The tide is currently falling in Philadelphia, USCG Station, PA.

Next low tide (tomorrow) : in 6h 24m at 5:26 am (1.0 ft)
Next high tide (tomorrow) : 11:09 am (5.9 ft)
Sunset today : 6:59 pm
Sunrise tomorrow : 6:47 am
Moon phase : Waxing Gibbous (75% illuminated)
Tide Station Location : Station #8545240
Common Questions About Tides

Philadelphia, USCG Station, PA Tides - Feb 1879

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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	Sat	8:48	5.7	9:22	4.9	2:44	0.1	3:40	0.3	7:13	5:23		1	Sat
2	Sun	9:40	5.8	10:14	5.0	3:39	0.1	4:36	0.2	7:12	5:24		2	Sun
3	Mon	10:32	5.9	11:04	5.1	4:34	0.0	5:30	0.2	7:11	5:26		3	Mon
4	Tue	11:21	6.1	11:51	5.2	5:29	0.0	6:21	0.1	7:10	5:27		4	Tue
5	Wed			12:08	6.2	6:21	-0.2	7:10	0.0	7:09	5:28		5	Wed
6	Thu	12:36	5.4	12:53	6.4	7:12	-0.3	7:57	-0.1	7:08	5:29		6	Thu
7	Fri	1:20	5.6	1:37	6.4	8:02	-0.3	8:42	-0.2	7:07	5:30		7	Fri
8	Sat	2:04	5.8	2:22	6.4	8:52	-0.4	9:27	-0.3	7:05	5:32		8	Sat
9	Sun	2:49	6.0	3:09	6.3	9:42	-0.4	10:12	-0.3	7:04	5:33		9	Sun
10	Mon	3:36	6.1	3:58	6.1	10:34	-0.3	10:58	-0.3	7:03	5:34		10	Mon
11	Tue	4:25	6.2	4:51	5.8	11:28	-0.2	11:46	-0.2	7:02	5:35		11	Tue
12	Wed	5:18	6.2	5:47	5.5			12:24	0.0	7:01	5:36		12	Wed
13	Thu	6:15	6.2	6:48	5.3	12:38	-0.1	1:23	0.1	7:00	5:37		13	Thu
14	Fri	7:16	6.1	7:51	5.1	1:34	0.0	2:24	0.2	6:58	5:39		14	Fri
15	Sat	8:19	6.0	8:54	5.1	2:33	0.1	3:25	0.3	6:57	5:40		15	Sat
16	Sun	9:22	6.0	9:55	5.2	3:33	0.1	4:26	0.2	6:56	5:41		16	Sun
17	Mon	10:22	6.0	10:52	5.3	4:33	0.1	5:23	0.1	6:54	5:42		17	Mon
18	Tue	11:17	6.1	11:45	5.5	5:30	0.0	6:16	0.0	6:53	5:43		18	Tue
19	Wed			12:08	6.2	6:23	0.0	7:05	-0.1	6:52	5:44		19	Wed
20	Thu	12:34	5.7	12:55	6.2	7:13	-0.1	7:50	-0.1	6:50	5:46		20	Thu
21	Fri	1:20	5.8	1:38	6.2	8:00	0.0	8:32	-0.1	6:49	5:47		21	Fri
22	Sat	2:04	5.9	2:21	6.1	8:45	0.0	9:11	0.0	6:48	5:48		22	Sat
23	Sun	2:45	5.9	3:03	6.0	9:28	0.1	9:49	0.0	6:46	5:49		23	Sun
24	Mon	3:26	6.0	3:45	5.8	10:10	0.1	10:26	0.1	6:45	5:50		24	Mon
25	Tue	4:06	6.0	4:29	5.6	10:52	0.2	11:02	0.1	6:43	5:51		25	Tue
26	Wed	4:46	6.0	5:14	5.5	11:36	0.2	11:39	0.2	6:42	5:52		26	Wed
27	Thu	5:29	5.9	6:02	5.3			12:22	0.3	6:40	5:53		27	Thu
28	Fri	6:15	5.9	6:54	5.1	12:20	0.2	1:11	0.4	6:39	5:55		28	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: (8545240)

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Is this week a spring tide or neap tide in Philadelphia, USCG Station, PA?

Philadelphia, USCG Station, PA is currently in a transitional phase. Tonight's moon is 75% 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 shifting between spring and neap.

What datum are Philadelphia, USCG Station, PA 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 Philadelphia, USCG Station, PA?

Tide predictions for Philadelphia, USCG Station, PA 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 Philadelphia, USCG Station, PA?

Tide data for Philadelphia, USCG Station, PA is sourced from NOAA Station #8545240. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8545240.

What is the moon phase in Philadelphia, USCG Station, PA tonight?

Tonight the moon over Philadelphia, USCG Station, PA is Waxing Gibbous (75% illuminated). This places Philadelphia, USCG Station, PA in a transitional tide cycle, so tidal ranges are shifting between spring and neap this week.

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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