Tides Today & Tomorrow in Hercules, Refugio Landing, CA

TIDE TIMES for Sunday, June 21, 2026
The tide is currently falling in Hercules, Refugio Landing, CA.

Next low tide : in 53m at 12:53 pm (0.4 ft)
Next high tide : 7:40 pm (5.9 ft)
Sunset today : 8:35 pm
Sunrise tomorrow : 5:46 am
Moon phase : First Quarter (49% illuminated)
Tide Station Location : Station #9415074
Common Questions About Tides

Hercules, Refugio Landing, CA Tides - Nov 2020

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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	Sun	1:18	4.9	12:29	6.1	6:40	1.9	7:26	0.1	6:35	5:09		1	Sun
2	Mon	2:02	4.8	12:55	6.1	7:11	2.2	7:59	0.0	6:36	5:08		2	Mon
3	Tue	2:49	4.7	1:25	6.0	7:45	2.5	8:36	-0.1	6:37	5:07		3	Tue
4	Wed	3:40	4.7	1:59	5.9	8:22	2.7	9:18	0.0	6:38	5:06		4	Wed
5	Thu	4:37	4.6	2:40	5.7	9:07	2.9	10:06	0.0	6:40	5:05		5	Thu
6	Fri	5:40	4.6	3:30	5.5	10:08	3.1	11:03	0.1	6:41	5:04		6	Fri
7	Sat	6:43	4.7	4:34	5.2	11:32	3.0			6:42	5:03		7	Sat
8	Sun	7:37	4.9	5:50	5.1	12:06	0.1	12:59	2.8	6:43	5:02		8	Sun
9	Mon	8:21	5.2	7:10	5.0	1:09	0.2	2:08	2.3	6:44	5:01		9	Mon
10	Tue	8:59	5.5	8:26	5.1	2:07	0.2	3:03	1.7	6:45	5:00		10	Tue
11	Wed	9:34	6.0	9:36	5.2	2:59	0.3	3:53	1.0	6:46	5:00		11	Wed
12	Thu	10:08	6.4	10:40	5.4	3:46	0.5	4:40	0.3	6:47	4:59		12	Thu
13	Fri	10:44	6.8	11:42	5.5	4:32	0.8	5:27	-0.3	6:48	4:58		13	Fri
14	Sat	11:21	7.1			5:16	1.2	6:14	-0.8	6:49	4:57		14	Sat
15	Sun	12:42	5.5	11:59 AM	7.3	6:02	1.6	7:01	-1.1	6:50	4:57		15	Sun
16	Mon	1:41	5.5	12:41	7.3	6:49	2.0	7:50	-1.2	6:51	4:56		16	Mon
17	Tue	2:40	5.4	1:25	7.1	7:39	2.3	8:41	-1.1	6:52	4:55		17	Tue
18	Wed	3:40	5.3	2:13	6.7	8:35	2.6	9:34	-0.9	6:53	4:55		18	Wed
19	Thu	4:42	5.3	3:06	6.2	9:41	2.8	10:31	-0.5	6:55	4:54		19	Thu
20	Fri	5:46	5.2	4:06	5.6	11:00	2.8	11:31	-0.2	6:56	4:53		20	Fri
21	Sat	6:47	5.3	5:15	5.1			12:26	2.6	6:57	4:53		21	Sat
22	Sun	7:42	5.4	6:32	4.7	12:33	0.1	1:42	2.3	6:58	4:52		22	Sun
23	Mon	8:27	5.6	7:50	4.5	1:31	0.4	2:45	1.8	6:59	4:52		23	Mon
24	Tue	9:05	5.7	9:02	4.4	2:24	0.7	3:37	1.4	7:00	4:51		24	Tue
25	Wed	9:36	5.9	10:04	4.5	3:10	1.0	4:20	1.0	7:01	4:51		25	Wed
26	Thu	10:04	6.0	10:59	4.6	3:50	1.3	4:58	0.6	7:02	4:51		26	Thu
27	Fri	10:30	6.1	11:49	4.7	4:28	1.6	5:33	0.2	7:03	4:50		27	Fri
28	Sat	10:56	6.2			5:03	1.9	6:05	0.0	7:04	4:50		28	Sat
29	Sun	12:35	4.7	11:23 AM	6.3	5:37	2.2	6:36	-0.2	7:05	4:50		29	Sun
30	Mon	1:19	4.8	11:52 AM	6.4	6:11	2.4	7:07	-0.3	7:06	4:50		30	Mon
Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date

Tidal Data Source: (9415074)

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What time does the tide turn (slack tide) in Hercules, Refugio Landing, CA today?

Slack tide in Hercules, Refugio Landing, CA is approximately 4:16 pm — 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 Hercules, Refugio Landing, CA?

Hercules, Refugio Landing, CA is currently in a neap phase. Tonight's moon is 49% 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 minimum.

What datum are Hercules, Refugio Landing, 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 Hercules, Refugio Landing, CA?

Tide predictions for Hercules, Refugio Landing, 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 Hercules, Refugio Landing, CA?

Tide data for Hercules, Refugio Landing, CA is sourced from NOAA Station #9415074. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9415074.

What is the moon phase in Hercules, Refugio Landing, CA tonight?

Tonight the moon over Hercules, Refugio Landing, CA is First Quarter (49% illuminated). This places Hercules, Refugio Landing, CA in a neap tide cycle, so tidal ranges are near their weekly minimum 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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