Tides Today & Tomorrow in Port Chicago, CA

TIDE TIMES for Sunday, October 4, 2026
The tide is currently rising in Port Chicago, CA.

Next low tide : 3:16 pm (2.1 ft)
Next high tide : in 2h 35m at 10:25 am (3.8 ft)
Sunset today : 6:46 pm
Sunrise tomorrow : 7:06 am
Moon phase : Third Quarter (36% illuminated)
Tide Station Location : Station #9415144
Common Questions About Tides

Port Chicago, CA Tides - Oct 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	Thu	6:52	3.6	5:08	5.4	12:14	0.3	11:25 AM	2.0	7:04	6:51		1	Thu
2	Fri	8:10	3.5	6:05	5.2	1:28	0.4	12:28	2.2	7:05	6:49		2	Fri
3	Sat	9:22	3.6	7:18	4.8	2:48	0.3	1:47	2.2	7:05	6:48		3	Sat
4	Sun	10:25	3.8	8:48	4.6	4:00	0.2	3:16	2.1	7:06	6:46		4	Sun
5	Mon	11:18	4.0	10:17	4.5	5:00	0.1	4:35	1.7	7:07	6:45		5	Mon
6	Tue			12:04	4.2	5:50	-0.1	5:42	1.2	7:08	6:43		6	Tue
7	Wed			12:45	4.4	6:33	0.0	6:40	0.8	7:09	6:42		7	Wed
8	Thu	12:27	4.4	1:21	4.6	7:11	0.1	7:34	0.5	7:10	6:40		8	Thu
9	Fri	1:20	4.3	1:52	4.7	7:45	0.4	8:24	0.2	7:11	6:39		9	Fri
10	Sat	2:11	4.2	2:19	4.8	8:15	0.7	9:12	0.1	7:12	6:37		10	Sat
11	Sun	3:01	4.1	2:41	4.9	8:42	1.1	9:58	0.1	7:13	6:36		11	Sun
12	Mon	3:52	3.9	3:00	4.9	9:10	1.4	10:43	0.1	7:14	6:34		12	Mon
13	Tue	4:46	3.8	3:22	5.0	9:42	1.8	11:27	0.2	7:15	6:33		13	Tue
14	Wed	5:43	3.7	3:51	5.0	10:19	2.0			7:16	6:31		14	Wed
15	Thu	6:43	3.7	4:28	4.8	12:14	0.3	11:04 AM	2.2	7:17	6:30		15	Thu
16	Fri	7:45	3.6	5:13	4.6	1:06	0.3	11:58 AM	2.3	7:18	6:29		16	Fri
17	Sat	8:45	3.6	6:09	4.3	2:03	0.3	1:03	2.4	7:19	6:27		17	Sat
18	Sun	9:40	3.7	7:19	4.0	3:01	0.3	2:18	2.2	7:20	6:26		18	Sun
19	Mon	10:29	3.7	8:46	3.8	3:54	0.2	3:33	1.9	7:21	6:25		19	Mon
20	Tue	11:11	3.8	10:09	3.7	4:40	0.1	4:38	1.5	7:22	6:23		20	Tue
21	Wed	11:46	4.0	11:15	3.7	5:19	0.1	5:34	1.1	7:23	6:22		21	Wed
22	Thu			12:14	4.2	5:53	0.2	6:24	0.7	7:24	6:21		22	Thu
23	Fri	12:12	3.8	12:37	4.4	6:23	0.4	7:11	0.4	7:25	6:19		23	Fri
24	Sat	1:05	3.8	12:57	4.7	6:52	0.7	7:57	0.2	7:26	6:18		24	Sat
25	Sun	1:58	3.9	1:20	5.1	7:24	1.1	8:43	0.0	7:27	6:17		25	Sun
26	Mon	2:52	3.9	1:50	5.4	8:00	1.4	9:31	-0.1	7:28	6:16		26	Mon
27	Tue	3:48	3.8	2:26	5.7	8:41	1.7	10:21	-0.2	7:29	6:14		27	Tue
28	Wed	4:48	3.8	3:08	5.8	9:28	1.9	11:15	-0.2	7:30	6:13		28	Wed
29	Thu	5:51	3.7	3:56	5.6	10:21	2.1			7:31	6:12		29	Thu
30	Fri	6:56	3.7	4:50	5.3	12:15	-0.1	11:23 AM	2.2	7:32	6:11		30	Fri
31	Sat	8:00	3.7	5:55	4.8	1:18	-0.1	12:35	2.1	7:33	6:10		31	Sat
Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date

Tidal Data Source: (9415144)

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When is the lowest tide this week in Port Chicago, CA?

The lowest tide this week in Port Chicago, CA is -0.1 ft on Tuesday, Oct 6 at 5:50 am.

When is the highest tide this week in Port Chicago, CA?

The highest tide this week in Port Chicago, CA is 4.8 ft on Saturday, Oct 10 at 2:19 pm — worth noting for launching your boat and being alert for possible high tide flooding.

Is this week a spring tide or neap tide in Port Chicago, CA?

Port Chicago, CA is currently in a transitional phase. Tonight's moon is 36% 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 Port Chicago, CA 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 Port Chicago, CA?

Tide predictions for Port Chicago, CA 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 Port Chicago, CA?

Tide data for Port Chicago, CA is sourced from NOAA Station #9415144. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9415144.

What time is high tide in Port Chicago, CA today?

High tides in Port Chicago, CA today: 10:25 am (3.8 ft), 8:48 pm (4.6 ft). The 8:48 pm high of 4.6 ft is notably higher than the other — known as diurnal inequality, common on coasts influenced by lunar declination.

What time is low tide in Port Chicago, CA today?

Low tides in Port Chicago, CA today: 4:00 am (0.2 ft), 3:16 pm (2.1 ft).

What is the tidal range in Port Chicago, CA today?

Today's tidal range in Port Chicago, CA is 4.4 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 Port Chicago, CA tonight?

Tonight the moon over Port Chicago, CA is Third Quarter (36% illuminated). This places Port Chicago, CA in a transitional tide cycle, so tidal ranges are shifting between spring and neap this week.

What type of tides does Port Chicago, CA have — semi-diurnal, diurnal, or mixed?

Port Chicago, CA has semi-diurnal tides — two high tides and two low tides roughly every 24 hours and 50 minutes, with similar heights.

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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