California tide station

Mare Island tide times

Today, Monday, October 19, 2026: high tide at 9:26 AM (4.6 ft) and 7:53 PM (4.7 ft); low tide at 2:30 AM (0.6 ft) and 2:39 PM (2.8 ft). Water temperature 65.3 F at Port Chicago (11 mi away).

NOAA station 9415218 · Reference station · MLLW datum · times in PDT · sunrise 7:22 AM, sunset 6:26 PM · first quarter (62% lit)

Low tide▼

2:30AM

0.6FT MLLW

low

High tide▲

9:26AM

4.6FT MLLW

high

Low tide▼

2:39PM

2.8FT MLLW

low

High tide▲

7:53PM

4.7FT MLLW

high

predicted height above MLLWnightnow (build time; your browser updates it)

As of 2:20 AM the tide is falling toward low tide at 2:30 AM (0.6 ft).

First Quarter 62% litSunrise 7:22 AMSunset 6:26 PMDaylight 11h 03mPDT

High tide at Mare Island, California on October 19, 2026 is at 9:26 AM (4.6 ft above MLLW) and 7:53 PM (4.7 ft above MLLW).
Low tide at Mare Island on October 19, 2026 is at 2:30 AM (0.6 ft) and 2:39 PM (2.8 ft).
Today's tidal range at Mare Island is 4.1 ft (highest high 4.7 ft, lowest low 0.6 ft).
The nearest NOAA water temperature to Mare Island is 65.3 F at Port Chicago (11 mi away), as of October 19, 2026.
Sunrise 7:22 AM, sunset 6:26 PM (PDT); moon first quarter, 62% illuminated.
Predictions are NOAA CO-OPS tide predictions for station 9415218 (harmonic reference station), heights above MLLW.

Next 7 days at Mare Island

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Mon Oct 19today	2:30 AM0.6 ft	9:26 AM4.6 ft	2:39 PM2.8 ft	7:53 PM4.7 ft	7:22 AM	6:26 PM	62%
Tue Oct 20	3:22 AM0.6 ft	10:08 AM4.7 ft	3:42 PM2.4 ft	9:08 PM4.7 ft	7:23 AM	6:25 PM	72%
Wed Oct 21	4:05 AM0.6 ft	10:43 AM4.9 ft	4:35 PM1.9 ft	10:10 PM4.8 ft	7:24 AM	6:23 PM	81%
Thu Oct 22	4:43 AM0.7 ft	11:11 AM5.1 ft	5:23 PM1.4 ft	11:07 PM4.8 ft	7:25 AM	6:22 PM	89%
Fri Oct 23	5:18 AM1.0 ft	11:35 AM5.4 ft	6:09 PM0.9 ft		7:26 AM	6:21 PM	95%
Sat Oct 24	12:02 AM4.7 ft	5:52 AM1.3 ft	11:55 AM5.7 ft	6:53 PM0.4 ft	7:27 AM	6:19 PM	98%
Sun Oct 25	12:57 AM4.7 ft	6:28 AM1.6 ft	12:18 PM6.0 ft	7:37 PM-0.0 ft	7:28 AM	6:18 PM	100%

Water temperature near Mare Island

65.3 F (18.5 C)

NOAA CO-OPS station 9415144 (Port Chicago sensor, 11 mi away), read 2:00 AM local, October 19, 2026

Over the past 30 days this sensor ranged from 64.9 to 71.6 F. Typical for October here is 65.3 F (5-year hourly mean; range 60.8 to 71.1), so today is 0.0 F above typical.

Water temperature is the nearest NOAA reading to Mare Island, not a measurement at the tide gauge itself (this station has no water-temperature sensor). See water temperature by state for every sensor and buoy.

Tide tables

High (▲) and low (▼) tides in PDT with sunrise, sunset and moon illumination. CSV of today's tides for every California station.

October 2026 tide table

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Thu Oct 1					7:05 AM	6:52 PM	71%
Fri Oct 2					7:06 AM	6:51 PM	61%
Sat Oct 3					7:07 AM	6:49 PM	51%
Sun Oct 4					7:08 AM	6:48 PM	40%
Mon Oct 5					7:09 AM	6:46 PM	30%
Tue Oct 6					7:10 AM	6:44 PM	21%
Wed Oct 7					7:10 AM	6:43 PM	13%
Thu Oct 8					7:11 AM	6:41 PM	7%
Fri Oct 9					7:12 AM	6:40 PM	2%
Sat Oct 10					7:13 AM	6:39 PM	0%
Sun Oct 11					7:14 AM	6:37 PM	0%
Mon Oct 12					7:15 AM	6:36 PM	3%
Tue Oct 13					7:16 AM	6:34 PM	7%
Wed Oct 14					7:17 AM	6:33 PM	14%
Thu Oct 15					7:18 AM	6:31 PM	22%
Fri Oct 16					7:19 AM	6:30 PM	31%
Sat Oct 17	12:29 AM0.6 ft	7:37 AM4.4 ft	12:09 PM3.1 ft	5:13 PM5.1 ft	7:20 AM	6:29 PM	41%
Sun Oct 18	1:31 AM0.6 ft	8:35 AM4.4 ft	1:25 PM3.0 ft	6:27 PM4.8 ft	7:21 AM	6:27 PM	52%
Mon Oct 19today	2:30 AM0.6 ft	9:26 AM4.6 ft	2:39 PM2.8 ft	7:53 PM4.7 ft	7:22 AM	6:26 PM	62%
Tue Oct 20	3:22 AM0.6 ft	10:08 AM4.7 ft	3:42 PM2.4 ft	9:08 PM4.7 ft	7:23 AM	6:25 PM	72%
Wed Oct 21	4:05 AM0.6 ft	10:43 AM4.9 ft	4:35 PM1.9 ft	10:10 PM4.8 ft	7:24 AM	6:23 PM	81%
Thu Oct 22	4:43 AM0.7 ft	11:11 AM5.1 ft	5:23 PM1.4 ft	11:07 PM4.8 ft	7:25 AM	6:22 PM	89%
Fri Oct 23	5:18 AM1.0 ft	11:35 AM5.4 ft	6:09 PM0.9 ft		7:26 AM	6:21 PM	95%
Sat Oct 24	12:02 AM4.7 ft	5:52 AM1.3 ft	11:55 AM5.7 ft	6:53 PM0.4 ft	7:27 AM	6:19 PM	98%
Sun Oct 25	12:57 AM4.7 ft	6:28 AM1.6 ft	12:18 PM6.0 ft	7:37 PM-0.0 ft	7:28 AM	6:18 PM	100%
Mon Oct 26	1:54 AM4.6 ft	7:07 AM2.0 ft	12:46 PM6.3 ft	8:23 PM-0.3 ft	7:29 AM	6:17 PM	99%
Tue Oct 27	2:53 AM4.6 ft	7:50 AM2.3 ft	1:22 PM6.5 ft	9:10 PM-0.5 ft	7:30 AM	6:16 PM	96%
Wed Oct 28	3:55 AM4.5 ft	8:38 AM2.6 ft	2:04 PM6.5 ft	10:01 PM-0.5 ft	7:31 AM	6:14 PM	91%
Thu Oct 29	5:00 AM4.5 ft	9:32 AM2.8 ft	2:53 PM6.4 ft	10:58 PM-0.5 ft	7:32 AM	6:13 PM	85%
Fri Oct 30	6:05 AM4.5 ft	10:35 AM2.9 ft	3:51 PM6.1 ft		7:33 AM	6:12 PM	76%
Sat Oct 31	12:01 AM-0.3 ft	7:09 AM4.6 ft	11:49 AM2.9 ft	5:01 PM5.7 ft	7:34 AM	6:11 PM	67%

November 2026 tide table

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Sun Nov 1	1:07 AM-0.2 ft	7:09 AM4.7 ft	12:11 PM2.7 ft	5:29 PM5.3 ft	6:35 AM	5:10 PM	56%
Mon Nov 2	1:11 AM-0.0 ft	8:02 AM5.0 ft	1:29 PM2.3 ft	6:58 PM5.1 ft	6:36 AM	5:09 PM	45%
Tue Nov 3	2:08 AM0.1 ft	8:48 AM5.3 ft	2:37 PM1.7 ft	8:14 PM5.0 ft	6:37 AM	5:08 PM	35%
Wed Nov 4	2:57 AM0.3 ft	9:29 AM5.6 ft	3:37 PM1.0 ft	9:20 PM4.9 ft	6:38 AM	5:07 PM	25%
Thu Nov 5	3:41 AM0.6 ft	10:04 AM5.8 ft	4:31 PM0.5 ft	10:20 PM4.8 ft	6:39 AM	5:06 PM	16%
Fri Nov 6	4:21 AM1.0 ft	10:36 AM6.0 ft	5:20 PM0.0 ft	11:16 PM4.8 ft	6:41 AM	5:05 PM	9%
Sat Nov 7	4:59 AM1.4 ft	11:05 AM6.1 ft	6:05 PM-0.2 ft		6:42 AM	5:04 PM	4%
Sun Nov 8	12:09 AM4.7 ft	5:35 AM1.9 ft	11:31 AM6.1 ft	6:48 PM-0.4 ft	6:43 AM	5:03 PM	1%
Mon Nov 9	1:01 AM4.6 ft	6:11 AM2.3 ft	11:54 AM6.1 ft	7:28 PM-0.4 ft	6:44 AM	5:02 PM	0%
Tue Nov 10	1:51 AM4.6 ft	6:48 AM2.6 ft	12:17 PM6.0 ft	8:06 PM-0.3 ft	6:45 AM	5:01 PM	1%
Wed Nov 11	2:41 AM4.6 ft	7:27 AM2.8 ft	12:44 PM5.9 ft	8:43 PM-0.2 ft	6:46 AM	5:00 PM	5%
Thu Nov 12	3:30 AM4.6 ft	8:08 AM2.9 ft	1:18 PM5.8 ft	9:19 PM-0.1 ft	6:47 AM	4:59 PM	10%
Fri Nov 13	4:19 AM4.5 ft	8:52 AM3.0 ft	1:58 PM5.6 ft	9:57 PM0.1 ft	6:48 AM	4:58 PM	18%
Sat Nov 14	5:09 AM4.5 ft	9:41 AM3.0 ft	2:44 PM5.4 ft	10:40 PM0.2 ft	6:49 AM	4:58 PM	26%
Sun Nov 15	5:59 AM4.5 ft	10:39 AM3.0 ft	3:37 PM5.1 ft	11:26 PM0.4 ft	6:50 AM	4:57 PM	36%
Mon Nov 16	6:46 AM4.5 ft	11:47 AM2.9 ft	4:42 PM4.7 ft		6:51 AM	4:56 PM	47%
Tue Nov 17	12:16 AM0.5 ft	7:30 AM4.7 ft	1:00 PM2.6 ft	6:02 PM4.4 ft	6:52 AM	4:56 PM	57%
Wed Nov 18	1:04 AM0.7 ft	8:07 AM4.9 ft	2:08 PM2.1 ft	7:29 PM4.2 ft	6:53 AM	4:55 PM	68%
Thu Nov 19	1:51 AM1.0 ft	8:39 AM5.2 ft	3:07 PM1.5 ft	8:45 PM4.2 ft	6:55 AM	4:54 PM	77%
Fri Nov 20	2:35 AM1.3 ft	9:05 AM5.5 ft	4:00 PM0.9 ft	9:53 PM4.2 ft	6:56 AM	4:54 PM	85%
Sat Nov 21	3:18 AM1.6 ft	9:31 AM5.9 ft	4:49 PM0.3 ft	10:57 PM4.3 ft	6:57 AM	4:53 PM	92%
Sun Nov 22	4:03 AM2.0 ft	9:59 AM6.2 ft	5:37 PM-0.2 ft	11:59 PM4.4 ft	6:58 AM	4:53 PM	97%
Mon Nov 23	4:51 AM2.3 ft	10:34 AM6.5 ft	6:25 PM-0.6 ft		6:59 AM	4:52 PM	99%
Tue Nov 24	1:00 AM4.5 ft	5:42 AM2.6 ft	11:14 AM6.7 ft	7:14 PM-0.9 ft	7:00 AM	4:52 PM	100%
Wed Nov 25	2:00 AM4.5 ft	6:36 AM2.8 ft	12:00 PM6.7 ft	8:03 PM-1.0 ft	7:01 AM	4:51 PM	98%
Thu Nov 26	2:58 AM4.6 ft	7:32 AM2.8 ft	12:51 PM6.6 ft	8:54 PM-1.0 ft	7:02 AM	4:51 PM	94%
Fri Nov 27	3:54 AM4.7 ft	8:32 AM2.8 ft	1:47 PM6.4 ft	9:46 PM-0.9 ft	7:03 AM	4:51 PM	88%
Sat Nov 28	4:47 AM4.8 ft	9:35 AM2.7 ft	2:50 PM6.0 ft	10:39 PM-0.6 ft	7:04 AM	4:50 PM	80%
Sun Nov 29	5:39 AM4.9 ft	10:44 AM2.5 ft	4:01 PM5.5 ft	11:33 PM-0.3 ft	7:05 AM	4:50 PM	71%
Mon Nov 30	6:30 AM5.1 ft	11:58 AM2.2 ft	5:22 PM5.0 ft		7:06 AM	4:50 PM	61%

Tidal datums at Mare Island

Heights on this page are above mean lower low water (MLLW), the chart datum. NOAA's accepted datums for station 9415218, in feet above MLLW:

MHHW

8.68 ft

Mean higher high water

MHW

8.12 ft

Mean high water

MSL

6.00 ft

Mean sea level

MLW

3.88 ft

Mean low water

4.24 ft

Mean range

5.76 ft

Diurnal range

Highest observed water level: 10.64 ft above MLLW on December 22, 1996. Tidal datum epoch 1983-2001.

Nearby tide stations

Selby0.9 mi · next high 9:56 AM
Crockett1.7 mi · next high 9:37 AM
Vallejo, Mare Island Strait3.1 mi · next high 10:14 AM
Hercules, Refugio Landing4.0 mi · next high 9:42 AM
Benicia6.8 mi · next high 10:05 AM
Martinez-Amorco Pier7.2 mi · next high 10:10 AM

Questions

What time is high tide at Mare Island today?

High tide at Mare Island, California on Monday, October 19, 2026 is at 9:26 AM (4.6 ft above MLLW) and 7:53 PM (4.7 ft above MLLW), NOAA prediction, local time.

What time is low tide at Mare Island today?

Low tide at Mare Island on Monday, October 19, 2026 is at 2:30 AM (0.6 ft) and 2:39 PM (2.8 ft).

What is the water temperature at Mare Island?

The nearest NOAA water-temperature reading to Mare Island is 65.3 F at Port Chicago (11 mi away), as of October 19, 2026.

Not for navigation. Predictions do not include weather; wind and pressure can move the real water level by a foot or more. Source: NOAA CO-OPS station 9415218.