California tide station
Upper Guadalupe Slough tide times
Today, Sunday, October 18, 2026: high tide at 9:01 AM (7.2 ft) and 6:35 PM (7.9 ft); low tide at 1:51 AM (0.7 ft) and 2:38 PM (4.0 ft). Water temperature 66.2 F at buoy AAMC1 (28 mi away).
Low tide▼
1:51AM
0.7FT MLLW
low
High tide▲
9:01AM
7.2FT MLLW
high
Low tide▼
2:38PM
4.0FT MLLW
low
High tide▲
6:35PM
7.9FT MLLW
high
Water temp°F
66.2
19.0C
buoy AAMC1, 28 mi
predicted height above MLLWnightnow (build time; your browser updates it)
As of 2:20 AM the tide is rising toward high tide at 9:01 AM (7.2 ft).
First Quarter 52% litSunrise 7:19 AMSunset 6:27 PMDaylight 11h 07mPDT
- High tide at Upper Guadalupe Slough, California on is at 9:01 AM (7.2 ft above MLLW) and 6:35 PM (7.9 ft above MLLW).
- Low tide at Upper Guadalupe Slough on is at 1:51 AM (0.7 ft) and 2:38 PM (4.0 ft).
- Today's tidal range at Upper Guadalupe Slough is 7.2 ft (highest high 7.9 ft, lowest low 0.7 ft).
- The nearest NOAA water temperature to Upper Guadalupe Slough is 66.2 F at buoy AAMC1 (28 mi away), as of .
- Sunrise 7:19 AM, sunset 6:27 PM (PDT); moon first quarter, 52% illuminated.
- Predictions are NOAA CO-OPS tide predictions for station 9414549 (subordinate station), heights above MLLW.
Next 7 days at Upper Guadalupe Slough
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Sun Oct 18today | 1:51 AM0.7 ft | 9:01 AM7.2 ft | 2:38 PM4.0 ft | 6:35 PM7.9 ft | 7:19 AM | 6:27 PM | 52% |
| Mon Oct 19 | 2:55 AM0.7 ft | 9:41 AM7.5 ft | 3:44 PM3.6 ft | 7:49 PM7.7 ft | 7:20 AM | 6:26 PM | 62% |
| Tue Oct 20 | 3:48 AM0.7 ft | 10:11 AM7.8 ft | 4:35 PM3.0 ft | 8:58 PM7.8 ft | 7:21 AM | 6:24 PM | 72% |
| Wed Oct 21 | 4:33 AM0.7 ft | 10:37 AM8.2 ft | 5:17 PM2.4 ft | 10:00 PM7.9 ft | 7:22 AM | 6:23 PM | 81% |
| Thu Oct 22 | 5:11 AM0.8 ft | 11:01 AM8.7 ft | 5:54 PM1.7 ft | 10:57 PM8.0 ft | 7:23 AM | 6:22 PM | 89% |
| Fri Oct 23 | 5:47 AM1.1 ft | 11:26 AM9.3 ft | 6:31 PM1.0 ft | 11:51 PM8.2 ft | 7:24 AM | 6:20 PM | 95% |
| Sat Oct 24 | 6:22 AM1.4 ft | 11:53 AM9.8 ft | 7:08 PM0.3 ft | 7:25 AM | 6:19 PM | 98% |
Water temperature near Upper Guadalupe Slough
66.2 F (19.0 C)
NDBC buoy AAMC1 (9414750 - Alameda, CA), 28 mi away, observed 08:48 UTC October 18, 2026
Water temperature is the nearest NOAA reading to Upper Guadalupe Slough, 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 | 7:04 AM | 6:51 PM | 71% | ||||
| Fri Oct 2 | 7:05 AM | 6:50 PM | 61% | ||||
| Sat Oct 3 | 7:06 AM | 6:48 PM | 51% | ||||
| Sun Oct 4 | 7:06 AM | 6:47 PM | 40% | ||||
| Mon Oct 5 | 7:07 AM | 6:45 PM | 30% | ||||
| Tue Oct 6 | 7:08 AM | 6:44 PM | 21% | ||||
| Wed Oct 7 | 7:09 AM | 6:42 PM | 13% | ||||
| Thu Oct 8 | 7:10 AM | 6:41 PM | 7% | ||||
| Fri Oct 9 | 7:11 AM | 6:39 PM | 2% | ||||
| Sat Oct 10 | 7:12 AM | 6:38 PM | 0% | ||||
| Sun Oct 11 | 7:13 AM | 6:37 PM | 0% | ||||
| Mon Oct 12 | 7:14 AM | 6:35 PM | 3% | ||||
| Tue Oct 13 | 7:15 AM | 6:34 PM | 7% | ||||
| Wed Oct 14 | 7:16 AM | 6:32 PM | 14% | ||||
| Thu Oct 15 | 7:16 AM | 6:31 PM | 22% | ||||
| Fri Oct 16 | 6:46 AM7.0 ft | 11:41 AM4.1 ft | 4:25 PM8.7 ft | 7:17 AM | 6:30 PM | 31% | |
| Sat Oct 17 | 12:45 AM0.6 ft | 8:02 AM7.1 ft | 1:09 PM4.2 ft | 5:24 PM8.2 ft | 7:18 AM | 6:28 PM | 41% |
| Sun Oct 18today | 1:51 AM0.7 ft | 9:01 AM7.2 ft | 2:38 PM4.0 ft | 6:35 PM7.9 ft | 7:19 AM | 6:27 PM | 52% |
| Mon Oct 19 | 2:55 AM0.7 ft | 9:41 AM7.5 ft | 3:44 PM3.6 ft | 7:49 PM7.7 ft | 7:20 AM | 6:26 PM | 62% |
| Tue Oct 20 | 3:48 AM0.7 ft | 10:11 AM7.8 ft | 4:35 PM3.0 ft | 8:58 PM7.8 ft | 7:21 AM | 6:24 PM | 72% |
| Wed Oct 21 | 4:33 AM0.7 ft | 10:37 AM8.2 ft | 5:17 PM2.4 ft | 10:00 PM7.9 ft | 7:22 AM | 6:23 PM | 81% |
| Thu Oct 22 | 5:11 AM0.8 ft | 11:01 AM8.7 ft | 5:54 PM1.7 ft | 10:57 PM8.0 ft | 7:23 AM | 6:22 PM | 89% |
| Fri Oct 23 | 5:47 AM1.1 ft | 11:26 AM9.3 ft | 6:31 PM1.0 ft | 11:51 PM8.2 ft | 7:24 AM | 6:20 PM | 95% |
| Sat Oct 24 | 6:22 AM1.4 ft | 11:53 AM9.8 ft | 7:08 PM0.3 ft | 7:25 AM | 6:19 PM | 98% | |
| Sun Oct 25 | 12:45 AM8.3 ft | 6:57 AM1.9 ft | 12:21 PM10.3 ft | 7:47 PM-0.4 ft | 7:26 AM | 6:18 PM | 100% |
| Mon Oct 26 | 1:39 AM8.3 ft | 7:34 AM2.3 ft | 12:53 PM10.8 ft | 8:30 PM-0.9 ft | 7:27 AM | 6:17 PM | 99% |
| Tue Oct 27 | 2:35 AM8.2 ft | 8:14 AM2.8 ft | 1:29 PM11.0 ft | 9:15 PM-1.2 ft | 7:28 AM | 6:16 PM | 96% |
| Wed Oct 28 | 3:33 AM8.1 ft | 8:57 AM3.2 ft | 2:10 PM11.1 ft | 10:05 PM-1.2 ft | 7:29 AM | 6:14 PM | 91% |
| Thu Oct 29 | 4:35 AM7.9 ft | 9:45 AM3.6 ft | 2:57 PM10.8 ft | 11:00 PM-1.1 ft | 7:30 AM | 6:13 PM | 85% |
| Fri Oct 30 | 5:41 AM7.7 ft | 10:45 AM3.8 ft | 3:53 PM10.4 ft | 7:31 AM | 6:12 PM | 76% | |
| Sat Oct 31 | 12:02 AM-0.8 ft | 6:49 AM7.7 ft | 12:03 PM3.9 ft | 4:58 PM9.7 ft | 7:32 AM | 6:11 PM | 67% |
November 2026 tide table
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Sun Nov 1 | 1:09 AM-0.5 ft | 6:54 AM8.0 ft | 12:37 PM3.7 ft | 5:13 PM9.0 ft | 6:33 AM | 5:10 PM | 56% |
| Mon Nov 2 | 1:17 AM-0.2 ft | 7:49 AM8.4 ft | 2:04 PM3.1 ft | 6:35 PM8.4 ft | 6:34 AM | 5:09 PM | 45% |
| Tue Nov 3 | 2:19 AM0.2 ft | 8:35 AM8.9 ft | 3:14 PM2.3 ft | 7:57 PM8.0 ft | 6:35 AM | 5:08 PM | 35% |
| Wed Nov 4 | 3:13 AM0.5 ft | 9:14 AM9.4 ft | 4:12 PM1.5 ft | 9:11 PM7.9 ft | 6:36 AM | 5:07 PM | 25% |
| Thu Nov 5 | 4:00 AM1.0 ft | 9:49 AM9.8 ft | 5:01 PM0.8 ft | 10:17 PM7.8 ft | 6:37 AM | 5:06 PM | 16% |
| Fri Nov 6 | 4:42 AM1.5 ft | 10:22 AM10.1 ft | 5:45 PM0.2 ft | 11:17 PM7.8 ft | 6:38 AM | 5:05 PM | 9% |
| Sat Nov 7 | 5:22 AM2.0 ft | 10:52 AM10.3 ft | 6:24 PM-0.2 ft | 6:39 AM | 5:04 PM | 4% | |
| Sun Nov 8 | 12:12 AM7.8 ft | 6:00 AM2.6 ft | 11:20 AM10.4 ft | 7:01 PM-0.5 ft | 6:41 AM | 5:03 PM | 1% |
| Mon Nov 9 | 1:04 AM7.8 ft | 6:38 AM3.0 ft | 11:49 AM10.3 ft | 7:37 PM-0.6 ft | 6:42 AM | 5:02 PM | 0% |
| Tue Nov 10 | 1:53 AM7.8 ft | 7:15 AM3.4 ft | 12:18 PM10.1 ft | 8:13 PM-0.6 ft | 6:43 AM | 5:01 PM | 1% |
| Wed Nov 11 | 2:41 AM7.7 ft | 7:54 AM3.7 ft | 12:49 PM9.8 ft | 8:50 PM-0.5 ft | 6:44 AM | 5:00 PM | 5% |
| Thu Nov 12 | 3:29 AM7.6 ft | 8:34 AM3.9 ft | 1:24 PM9.5 ft | 9:30 PM-0.3 ft | 6:45 AM | 5:00 PM | 10% |
| Fri Nov 13 | 4:18 AM7.4 ft | 9:19 AM4.1 ft | 2:03 PM9.1 ft | 10:13 PM-0.1 ft | 6:46 AM | 4:59 PM | 18% |
| Sat Nov 14 | 5:10 AM7.3 ft | 10:14 AM4.1 ft | 2:48 PM8.6 ft | 11:01 PM0.1 ft | 6:47 AM | 4:58 PM | 26% |
| Sun Nov 15 | 6:01 AM7.3 ft | 11:27 AM4.1 ft | 3:41 PM8.1 ft | 11:52 PM0.4 ft | 6:48 AM | 4:57 PM | 36% |
| Mon Nov 16 | 6:47 AM7.5 ft | 12:51 PM3.8 ft | 4:45 PM7.5 ft | 6:49 AM | 4:57 PM | 47% | |
| Tue Nov 17 | 12:45 AM0.6 ft | 7:26 AM7.8 ft | 2:02 PM3.3 ft | 5:58 PM7.1 ft | 6:50 AM | 4:56 PM | 57% |
| Wed Nov 18 | 1:37 AM0.8 ft | 7:59 AM8.2 ft | 2:58 PM2.7 ft | 7:17 PM6.8 ft | 6:51 AM | 4:55 PM | 68% |
| Thu Nov 19 | 2:25 AM1.1 ft | 8:29 AM8.7 ft | 3:45 PM1.9 ft | 8:34 PM6.8 ft | 6:52 AM | 4:55 PM | 77% |
| Fri Nov 20 | 3:10 AM1.5 ft | 8:59 AM9.4 ft | 4:26 PM1.0 ft | 9:45 PM7.1 ft | 6:53 AM | 4:54 PM | 85% |
| Sat Nov 21 | 3:53 AM2.0 ft | 9:29 AM10.0 ft | 5:07 PM0.2 ft | 10:49 PM7.4 ft | 6:54 AM | 4:54 PM | 92% |
| Sun Nov 22 | 4:36 AM2.4 ft | 10:02 AM10.6 ft | 5:48 PM-0.6 ft | 11:48 PM7.7 ft | 6:55 AM | 4:53 PM | 97% |
| Mon Nov 23 | 5:20 AM2.8 ft | 10:39 AM11.1 ft | 6:31 PM-1.2 ft | 6:56 AM | 4:53 PM | 99% | |
| Tue Nov 24 | 12:45 AM8.0 ft | 6:05 AM3.2 ft | 11:19 AM11.5 ft | 7:16 PM-1.7 ft | 6:57 AM | 4:52 PM | 100% |
| Wed Nov 25 | 1:40 AM8.1 ft | 6:52 AM3.4 ft | 12:03 PM11.7 ft | 8:05 PM-1.9 ft | 6:58 AM | 4:52 PM | 98% |
| Thu Nov 26 | 2:34 AM8.2 ft | 7:43 AM3.6 ft | 12:52 PM11.5 ft | 8:55 PM-1.8 ft | 6:59 AM | 4:52 PM | 94% |
| Fri Nov 27 | 3:28 AM8.2 ft | 8:39 AM3.6 ft | 1:45 PM11.1 ft | 9:48 PM-1.6 ft | 7:00 AM | 4:51 PM | 88% |
| Sat Nov 28 | 4:23 AM8.2 ft | 9:44 AM3.6 ft | 2:42 PM10.4 ft | 10:43 PM-1.1 ft | 7:01 AM | 4:51 PM | 80% |
| Sun Nov 29 | 5:17 AM8.3 ft | 11:02 AM3.4 ft | 3:46 PM9.4 ft | 11:40 PM-0.6 ft | 7:02 AM | 4:51 PM | 71% |
| Mon Nov 30 | 6:10 AM8.6 ft | 12:28 PM3.1 ft | 4:59 PM8.3 ft | 7:03 AM | 4:50 PM | 61% |
How these predictions are made
Upper Guadalupe Slough is a subordinate station: NOAA derives its tides from the reference station SAN FRANCISCO (Golden Gate) by applying fixed offsets.
High tide time
+1h 14m
relative to SAN FRANCISCO (Golden Gate)
Low tide time
+2h 13m
relative to reference
High tide height
x1.66
ratio
Low tide height
x1.13
ratio
Nearby tide stations
- Gold Street Bridge, Alviso Slough1.9 mi · next high 8:50 AM
- Coyote Creek, Alviso Slough2.3 mi · next high 7:53 AM
- Coyote Creek, Tributary no.12.5 mi · next high 9:08 AM
- Calaveras Point, west of4.0 mi · next high 8:52 AM
- Mowry Slough4.5 mi · next high 8:59 AM
- Palo Alto Yacht Harbor5.6 mi · next high 8:46 AM
Questions
What time is high tide at Upper Guadalupe Slough today?
High tide at Upper Guadalupe Slough, California on Sunday, October 18, 2026 is at 9:01 AM (7.2 ft above MLLW) and 6:35 PM (7.9 ft above MLLW), NOAA prediction, local time.
What time is low tide at Upper Guadalupe Slough today?
Low tide at Upper Guadalupe Slough on Sunday, October 18, 2026 is at 1:51 AM (0.7 ft) and 2:38 PM (4.0 ft).
What is the water temperature at Upper Guadalupe Slough?
The nearest NOAA water-temperature reading to Upper Guadalupe Slough is 66.2 F at buoy AAMC1 (28 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 9414549.