Explore / Station 9414290
San Francisco, CA tide times
37.8063°N · 122.4659°W
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Computing…
Datums
| Datum | ft |
|---|---|
| STND | 0 |
| MHHW | 11.82 |
| MHW | 11.21 |
| DTL | 8.9 |
| MTL | 9.16 |
| MSL | 9.1 |
| MLW | 7.11 |
| MLLW | 5.98 |
| GT | 5.84 |
| MN | 4.09 |
| DHQ | 0.61 |
| DLQ | 1.14 |
| HWI | 7.53 |
| LWI | 0.85 |
| NAVD88 | 5.92 |
Wind forecast
Reading the forecast…
Tide times for San Francisco, CA
Today, Tuesday, August 18, in San Francisco, CA, high tide is at 4:32 AM (4.2 ft) and 4:20 PM (5.7 ft), and low tide is at 9:39 AM (2.3 ft) and 11:14 PM (1.1 ft) (PDT). Sunrise is at 6:29 AM and sunset is at 8:00 PM PDT. Heights are in feet above MLLW, the chart datum.
The moon is a waxing crescent today, 30% illuminated.
7-day tide table (PDT)
| Day | High tides | Low tides | Sunrise | Sunset |
|---|---|---|---|---|
| Today, Tue, Aug 18 | 4:32 AM (4.2 ft) 4:20 PM (5.7 ft) | 9:39 AM (2.3 ft) 11:14 PM (1.1 ft) | 6:29 AM | 8:00 PM |
| Wed, Aug 19 | 6:01 AM (3.9 ft) 5:03 PM (5.6 ft) | 10:30 AM (2.9 ft) | 6:30 AM | 7:59 PM |
| Thu, Aug 20 | 7:51 AM (3.9 ft) 5:56 PM (5.6 ft) | 12:23 AM (1.0 ft) 11:41 AM (3.4 ft) | 6:31 AM | 7:58 PM |
| Fri, Aug 21 | 9:18 AM (4.1 ft) 6:55 PM (5.5 ft) | 1:31 AM (0.8 ft) 1:04 PM (3.6 ft) | 6:31 AM | 7:57 PM |
| Sat, Aug 22 | 10:11 AM (4.4 ft) 7:55 PM (5.6 ft) | 2:31 AM (0.6 ft) 2:13 PM (3.5 ft) | 6:32 AM | 7:55 PM |
| Sun, Aug 23 | 10:49 AM (4.5 ft) 8:49 PM (5.8 ft) | 3:22 AM (0.4 ft) 3:07 PM (3.3 ft) | 6:33 AM | 7:54 PM |
| Mon, Aug 24 | 11:19 AM (4.7 ft) 9:37 PM (5.9 ft) | 4:03 AM (0.2 ft) 3:50 PM (3.1 ft) | 6:34 AM | 7:52 PM |
NOAA harmonic predictions for station 9414290, datum MLLW, station local time. Updated daily. Predictions are for planning, not navigation.
San Francisco, CA tide questions
- What time is high tide in San Francisco, CA today?
- High tide in San Francisco, CA today (Tuesday, August 18) is at 4:32 AM (4.2 ft) and 4:20 PM (5.7 ft), local station time (PDT). Heights are measured in feet above MLLW.
- What time is low tide in San Francisco, CA today?
- Low tide in San Francisco, CA today (Tuesday, August 18) is at 9:39 AM (2.3 ft) and 11:14 PM (1.1 ft), local station time (PDT).
- How big are the tides in San Francisco, CA this week?
- Over the next seven days the water at San Francisco, CA spans 5.7 ft — from a low of 0.2 ft at 4:03 AM on Mon, Aug 24 to a high of 5.9 ft at 9:37 PM on Mon, Aug 24.
- When is the next minus tide at San Francisco, CA?
- No minus tides (lows below the MLLW zero line) are predicted at San Francisco, CA in the next seven days. The biggest minus tides cluster around full and new moons, especially near the summer and winter solstices.
- How accurate are tide predictions for San Francisco, CA?
- Predictions come from NOAA harmonic analysis of long-term water level records at this station, which is why tide tables can be published years in advance. Astronomical timing is very reliable, but actual water level can run higher or lower with sustained wind, barometric pressure, and river flow — Perigee overlays live observed water levels on the chart above so you can see today's difference.
About station 9414290
San Francisco, CA is NOAA tide station 9414290, at 37.8063°N, 122.4659°W, in service since 1854. Perigee charts its tide predictions and six-minute water level observations live from NOAA CO-OPS, alongside wind, temperature, and the sun and moon over this spot. The mean tidal range here is 4.1 ft (great diurnal range 5.8 ft). Tides here are mixed — the two daily highs (and the two lows) differ noticeably in height. Everything on this page is also available from the free Perigee API and MCP server. Browse every gauge on this coast on the California tide charts page, or read how tide predictions work.
Plan around this station
- 2026 annual tide table →
- Best fishing times →
- Daylight low-tide windows →
- Sunrise, sunset & moon →
- California king tides →