California tide station
National City, San Diego Bay tide times
Today, Sunday, October 18, 2026: high tide at 7:21 AM (4.1 ft) and 3:30 PM (4.6 ft); low tide at 9:49 AM (3.8 ft) and 11:39 PM (1.0 ft). Water temperature 74.7 F at buoy SDBC1 (4.7 mi away).
High tide▲
7:21AM
4.1FT MLLW
high
Low tide▼
9:49AM
3.8FT MLLW
low
High tide▲
3:30PM
4.6FT MLLW
high
Low tide▼
11:39PM
1.0FT MLLW
low
Water temp°F
74.7
23.7C
buoy SDBC1, 4.7 mi
predicted height above MLLWnightnow (build time; your browser updates it)
As of 2:20 AM the tide is rising toward high tide at 7:21 AM (4.1 ft).
First Quarter 52% litSunrise 6:55 AMSunset 6:12 PMDaylight 11h 17mPDT
- High tide at National City, San Diego Bay, California on is at 7:21 AM (4.1 ft above MLLW) and 3:30 PM (4.6 ft above MLLW).
- Low tide at National City, San Diego Bay on is at 9:49 AM (3.8 ft) and 11:39 PM (1.0 ft).
- Today's tidal range at National City, San Diego Bay is 3.6 ft (highest high 4.6 ft, lowest low 1.0 ft).
- The nearest NOAA water temperature to National City, San Diego Bay is 74.7 F at buoy SDBC1 (4.7 mi away), as of .
- Sunrise 6:55 AM, sunset 6:12 PM (PDT); moon first quarter, 52% illuminated.
- Predictions are NOAA CO-OPS tide predictions for station 9410152 (subordinate station), heights above MLLW.
Next 7 days at National City, San Diego Bay
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Sun Oct 18today | 7:21 AM4.1 ft | 9:49 AM3.8 ft | 3:30 PM4.6 ft | 11:39 PM1.0 ft | 6:55 AM | 6:12 PM | 52% |
| Mon Oct 19 | 7:00 AM4.3 ft | 11:43 AM3.4 ft | 5:03 PM4.7 ft | 6:56 AM | 6:11 PM | 62% | |
| Tue Oct 20 | 12:21 AM0.8 ft | 7:05 AM4.7 ft | 12:31 PM2.8 ft | 6:02 PM5.0 ft | 6:57 AM | 6:10 PM | 72% |
| Wed Oct 21 | 12:53 AM0.7 ft | 7:20 AM5.1 ft | 1:10 PM2.1 ft | 6:50 PM5.2 ft | 6:57 AM | 6:09 PM | 81% |
| Thu Oct 22 | 1:21 AM0.7 ft | 7:38 AM5.5 ft | 1:46 PM1.4 ft | 7:33 PM5.3 ft | 6:58 AM | 6:08 PM | 89% |
| Fri Oct 23 | 1:49 AM0.7 ft | 8:00 AM6.0 ft | 2:23 PM0.8 ft | 8:15 PM5.3 ft | 6:59 AM | 6:07 PM | 95% |
| Sat Oct 24 | 2:16 AM0.9 ft | 8:24 AM6.5 ft | 3:01 PM0.2 ft | 8:58 PM5.3 ft | 7:00 AM | 6:05 PM | 98% |
Water temperature near National City, San Diego Bay
74.7 F (23.7 C)
NDBC buoy SDBC1 (9410170 - San Diego, CA), 4.7 mi away, observed 08:48 UTC October 18, 2026
Water temperature is the nearest NOAA reading to National City, San Diego Bay, 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
October 2026 tide table
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Thu Oct 1 | 6:43 AM | 6:33 PM | 71% | ||||
| Fri Oct 2 | 6:44 AM | 6:32 PM | 61% | ||||
| Sat Oct 3 | 6:44 AM | 6:31 PM | 51% | ||||
| Sun Oct 4 | 6:45 AM | 6:29 PM | 40% | ||||
| Mon Oct 5 | 6:46 AM | 6:28 PM | 30% | ||||
| Tue Oct 6 | 6:46 AM | 6:27 PM | 21% | ||||
| Wed Oct 7 | 6:47 AM | 6:25 PM | 13% | ||||
| Thu Oct 8 | 6:48 AM | 6:24 PM | 7% | ||||
| Fri Oct 9 | 6:48 AM | 6:23 PM | 2% | ||||
| Sat Oct 10 | 6:49 AM | 6:22 PM | 0% | ||||
| Sun Oct 11 | 6:50 AM | 6:20 PM | 0% | ||||
| Mon Oct 12 | 6:51 AM | 6:19 PM | 3% | ||||
| Tue Oct 13 | 6:51 AM | 6:18 PM | 7% | ||||
| Wed Oct 14 | 6:52 AM | 6:17 PM | 14% | ||||
| Thu Oct 15 | 6:53 AM | 6:16 PM | 22% | ||||
| Fri Oct 16 | 2:57 AM3.4 ft | 4:30 AM3.2 ft | 12:07 PM5.2 ft | 9:03 PM1.2 ft | 6:53 AM | 6:14 PM | 31% |
| Sat Oct 17 | 1:18 PM4.8 ft | 10:36 PM1.2 ft | 6:54 AM | 6:13 PM | 41% | ||
| Sun Oct 18today | 7:21 AM4.1 ft | 9:49 AM3.8 ft | 3:30 PM4.6 ft | 11:39 PM1.0 ft | 6:55 AM | 6:12 PM | 52% |
| Mon Oct 19 | 7:00 AM4.3 ft | 11:43 AM3.4 ft | 5:03 PM4.7 ft | 6:56 AM | 6:11 PM | 62% | |
| Tue Oct 20 | 12:21 AM0.8 ft | 7:05 AM4.7 ft | 12:31 PM2.8 ft | 6:02 PM5.0 ft | 6:57 AM | 6:10 PM | 72% |
| Wed Oct 21 | 12:53 AM0.7 ft | 7:20 AM5.1 ft | 1:10 PM2.1 ft | 6:50 PM5.2 ft | 6:57 AM | 6:09 PM | 81% |
| Thu Oct 22 | 1:21 AM0.7 ft | 7:38 AM5.5 ft | 1:46 PM1.4 ft | 7:33 PM5.3 ft | 6:58 AM | 6:08 PM | 89% |
| Fri Oct 23 | 1:49 AM0.7 ft | 8:00 AM6.0 ft | 2:23 PM0.8 ft | 8:15 PM5.3 ft | 6:59 AM | 6:07 PM | 95% |
| Sat Oct 24 | 2:16 AM0.9 ft | 8:24 AM6.5 ft | 3:01 PM0.2 ft | 8:58 PM5.3 ft | 7:00 AM | 6:05 PM | 98% |
| Sun Oct 25 | 2:44 AM1.1 ft | 8:52 AM6.9 ft | 3:41 PM-0.3 ft | 9:42 PM5.1 ft | 7:01 AM | 6:04 PM | 100% |
| Mon Oct 26 | 3:13 AM1.4 ft | 9:22 AM7.2 ft | 4:23 PM-0.7 ft | 10:29 PM4.8 ft | 7:01 AM | 6:03 PM | 99% |
| Tue Oct 27 | 3:43 AM1.8 ft | 9:55 AM7.3 ft | 5:10 PM-0.8 ft | 11:23 PM4.4 ft | 7:02 AM | 6:02 PM | 96% |
| Wed Oct 28 | 4:15 AM2.2 ft | 10:33 AM7.2 ft | 6:03 PM-0.7 ft | 7:03 AM | 6:01 PM | 91% | |
| Thu Oct 29 | 12:26 AM4.1 ft | 4:51 AM2.6 ft | 11:17 AM6.9 ft | 7:05 PM-0.4 ft | 7:04 AM | 6:00 PM | 85% |
| Fri Oct 30 | 1:45 AM3.8 ft | 5:36 AM3.0 ft | 12:13 PM6.5 ft | 8:15 PM-0.1 ft | 7:05 AM | 5:59 PM | 76% |
| Sat Oct 31 | 3:25 AM3.9 ft | 6:58 AM3.3 ft | 1:28 PM5.9 ft | 9:35 PM0.1 ft | 7:05 AM | 5:59 PM | 67% |
November 2026 tide table
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Sun Nov 1 | 3:58 AM4.2 ft | 8:09 AM3.4 ft | 2:00 PM5.5 ft | 9:48 PM0.2 ft | 6:06 AM | 4:58 PM | 56% |
| Mon Nov 2 | 4:48 AM4.7 ft | 10:05 AM2.9 ft | 3:34 PM5.3 ft | 10:46 PM0.2 ft | 6:07 AM | 4:57 PM | 45% |
| Tue Nov 3 | 5:25 AM5.2 ft | 11:18 AM2.1 ft | 4:50 PM5.2 ft | 11:31 PM0.4 ft | 6:08 AM | 4:56 PM | 35% |
| Wed Nov 4 | 5:57 AM5.7 ft | 12:13 PM1.4 ft | 5:51 PM5.2 ft | 6:09 AM | 4:55 PM | 25% | |
| Thu Nov 5 | 12:09 AM0.6 ft | 6:27 AM6.2 ft | 12:59 PM0.7 ft | 6:44 PM5.1 ft | 6:10 AM | 4:54 PM | 16% |
| Fri Nov 6 | 12:42 AM0.9 ft | 6:56 AM6.5 ft | 1:40 PM0.2 ft | 7:32 PM4.9 ft | 6:11 AM | 4:53 PM | 9% |
| Sat Nov 7 | 1:11 AM1.3 ft | 7:23 AM6.7 ft | 2:17 PM-0.2 ft | 8:15 PM4.7 ft | 6:12 AM | 4:53 PM | 4% |
| Sun Nov 8 | 1:39 AM1.7 ft | 7:50 AM6.8 ft | 2:53 PM-0.4 ft | 8:56 PM4.5 ft | 6:12 AM | 4:52 PM | 1% |
| Mon Nov 9 | 2:05 AM2.0 ft | 8:16 AM6.8 ft | 3:28 PM-0.4 ft | 9:37 PM4.3 ft | 6:13 AM | 4:51 PM | 0% |
| Tue Nov 10 | 2:30 AM2.3 ft | 8:42 AM6.6 ft | 4:04 PM-0.3 ft | 10:20 PM4.1 ft | 6:14 AM | 4:50 PM | 1% |
| Wed Nov 11 | 2:54 AM2.6 ft | 9:09 AM6.4 ft | 4:42 PM-0.1 ft | 11:09 PM3.9 ft | 6:15 AM | 4:50 PM | 5% |
| Thu Nov 12 | 3:17 AM2.8 ft | 9:37 AM6.1 ft | 5:25 PM0.2 ft | 6:16 AM | 4:49 PM | 10% | |
| Fri Nov 13 | 12:06 AM3.7 ft | 3:39 AM3.0 ft | 10:07 AM5.8 ft | 6:15 PM0.5 ft | 6:17 AM | 4:49 PM | 18% |
| Sat Nov 14 | 1:19 AM3.6 ft | 4:01 AM3.2 ft | 10:45 AM5.4 ft | 7:11 PM0.7 ft | 6:18 AM | 4:48 PM | 26% |
| Sun Nov 15 | 3:04 AM3.7 ft | 4:45 AM3.5 ft | 11:38 AM5.0 ft | 8:13 PM0.9 ft | 6:19 AM | 4:47 PM | 36% |
| Mon Nov 16 | 4:12 AM4.0 ft | 7:37 AM3.6 ft | 1:03 PM4.6 ft | 9:14 PM1.0 ft | 6:20 AM | 4:47 PM | 47% |
| Tue Nov 17 | 4:36 AM4.3 ft | 9:46 AM3.3 ft | 2:46 PM4.3 ft | 10:03 PM1.0 ft | 6:21 AM | 4:46 PM | 57% |
| Wed Nov 18 | 4:57 AM4.8 ft | 10:55 AM2.6 ft | 4:09 PM4.3 ft | 10:43 PM1.1 ft | 6:21 AM | 4:46 PM | 68% |
| Thu Nov 19 | 5:20 AM5.3 ft | 11:44 AM1.9 ft | 5:14 PM4.3 ft | 11:19 PM1.2 ft | 6:22 AM | 4:45 PM | 77% |
| Fri Nov 20 | 5:45 AM5.8 ft | 12:26 PM1.0 ft | 6:11 PM4.4 ft | 11:53 PM1.3 ft | 6:23 AM | 4:45 PM | 85% |
| Sat Nov 21 | 6:13 AM6.3 ft | 1:08 PM0.2 ft | 7:03 PM4.5 ft | 6:24 AM | 4:45 PM | 92% | |
| Sun Nov 22 | 12:28 AM1.5 ft | 6:44 AM6.9 ft | 1:50 PM-0.5 ft | 7:54 PM4.5 ft | 6:25 AM | 4:44 PM | 97% |
| Mon Nov 23 | 1:04 AM1.7 ft | 7:19 AM7.3 ft | 2:34 PM-1.0 ft | 8:44 PM4.5 ft | 6:26 AM | 4:44 PM | 99% |
| Tue Nov 24 | 1:42 AM1.9 ft | 7:57 AM7.6 ft | 3:19 PM-1.4 ft | 9:35 PM4.4 ft | 6:27 AM | 4:44 PM | 100% |
| Wed Nov 25 | 2:22 AM2.1 ft | 8:38 AM7.6 ft | 4:07 PM-1.4 ft | 10:29 PM4.2 ft | 6:28 AM | 4:43 PM | 98% |
| Thu Nov 26 | 3:06 AM2.3 ft | 9:23 AM7.5 ft | 4:59 PM-1.3 ft | 11:29 PM4.1 ft | 6:29 AM | 4:43 PM | 94% |
| Fri Nov 27 | 3:56 AM2.5 ft | 10:14 AM7.1 ft | 5:54 PM-1.0 ft | 6:30 AM | 4:43 PM | 88% | |
| Sat Nov 28 | 12:33 AM4.1 ft | 4:58 AM2.8 ft | 11:11 AM6.5 ft | 6:52 PM-0.6 ft | 6:30 AM | 4:43 PM | 80% |
| Sun Nov 29 | 1:41 AM4.3 ft | 6:20 AM2.9 ft | 12:18 PM5.9 ft | 7:52 PM-0.2 ft | 6:31 AM | 4:43 PM | 71% |
| Mon Nov 30 | 2:49 AM4.6 ft | 7:59 AM2.9 ft | 1:35 PM5.2 ft | 8:53 PM0.3 ft | 6:32 AM | 4:42 PM | 61% |
How these predictions are made
National City, San Diego Bay is a subordinate station: NOAA derives its tides from the reference station SAN DIEGO (Broadway) by applying fixed offsets.
High tide time
+0h 04m
relative to SAN DIEGO (Broadway)
Low tide time
+0h 10m
relative to reference
High tide height
+0.20 ft
difference
Low tide height
+0.00 ft
difference
Nearby tide stations
- South San Diego Bay2.6 mi · next high 7:45 AM
- SAN DIEGO (Broadway)4.9 mi · next high 7:17 AM
- Imperial Beach6.1 mi · next high 7:17 AM
- San Diego, Quarantine Station7.3 mi · next high 7:13 AM
- Mission Bay, Campland11 mi · next high 3:02 PM
- La Jolla (Scripps Institution Wharf)16 mi · next high 7:16 AM
Questions
What time is high tide at National City, San Diego Bay today?
High tide at National City, San Diego Bay, California on Sunday, October 18, 2026 is at 7:21 AM (4.1 ft above MLLW) and 3:30 PM (4.6 ft above MLLW), NOAA prediction, local time.
What time is low tide at National City, San Diego Bay today?
Low tide at National City, San Diego Bay on Sunday, October 18, 2026 is at 9:49 AM (3.8 ft) and 11:39 PM (1.0 ft).
What is the water temperature at National City, San Diego Bay?
The nearest NOAA water-temperature reading to National City, San Diego Bay is 74.7 F at buoy SDBC1 (4.7 mi away), as of October 18, 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 9410152.