Petaluma River entrance Tides Today
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Petaluma River entrance runs a mean tidal range of about 4.5 ft. This month the highest water, 7.5 ft, comes on the afternoon of Nov 25, and the lowest, a -1.4 ft minus tide, on the evening of Nov 25.
| Low tide | 2:14 AM | 0.1 ft |
| High tide | 8:44 AM | 5.7 ft |
| Low tide | 3:09 PM | 1.8 ft |
| High tide | 8:06 PM | 5.1 ft |
Today on the water at Petaluma River entrance
Today at Petaluma River entrance: high tide at 8:44 AM (5.7 ft) and 8:06 PM (5.1 ft), low tide at 2:14 AM (0.1 ft) and 3:09 PM (1.8 ft). The National Weather Service forecast for Tuesday is light rain with SSE winds 2 to 9 mph, 62°F. Sunrise is at 6:37 AM and sunset at 5:10 PM.
| Period | Forecast | Wind | Temp |
|---|---|---|---|
| Overnight | Areas Of Fog | ESE 1 mph | 48°F |
| Tuesday | Light Rain | SSE 2 to 9 mph | 62°F |
Forecast: National Weather Service point forecast for this location.
Where Petaluma River entrance is
Petaluma River entrance sits at 38.1153° N, 122.5057° W on San Francisco Bay, at Black Point-Green Point, CA, in Marin County. The station here is a subordinate tide prediction point. NOAA has no gauge in the water at this spot; its times and heights are published as offsets from a reference gauge, named below. The closest gauge measuring live water level is Chevron Oil Company Pier, Richmond (NOAA 9414863), 14.1 mi away, and high and low water here run on average about 75 min later than there. The nearest weather station is Novato / Gnoss Field, an airport reporting wind, visibility and sky cover, but no water temperature, 3.2 mi away.
The tide at Petaluma River entrance
Petaluma River entrance has a mixed tide: two highs and two lows a day, but of unequal size, so one low each day drains noticeably lower than the other. This month's predictions average 1.9 high tides a day here. The mean range from lower low to higher high is 6.0 ft, and 4.5 ft between the average high and the average low, a large tide. On an average day the higher high tops the lower high by 0.5 ft and the lower low sits 0.9 ft below the other low. For the water around it: Bay tides are mixed semidiurnal, two unequal highs a day with a range near 6 ft at the Golden Gate that shifts in time as it moves into the bay and up the rivers.
About this station
- High tide reaches Petaluma River entrance about 8.9 hours after the moon passes overhead. That lag is local, which is why high water does not line up with the moon.
- NOAA predicts tides here from San Francisco (Golden Gate), station 9414290. High tide comes about 83 min later and low tide about 128 min later than there.
- High tide heights run about 1.06 times the reference.
Datum and source
Heights on this page are feet above mean lower low water (MLLW), the zero NOAA's nautical charts use for soundings. A predicted 0.0 ft low is the average of the lower low each day; a minus tide is water below chart datum, and a 2 ft high means 2 ft more water than the chart shows. NOAA fixes MLLW at Petaluma River entrance from the 1983-2001 National Tidal Datum Epoch; mean higher high water is 6.0 ft above it and mean sea level 3.2 ft. The land survey datum NAVD88, the zero on topographic maps and flood maps, is 0.3 ft below MLLW here, so a water level on this page converts to NAVD88 by adding that amount. These datums are controlled from NOAA's San Francisco, CA gauge. Source: NOAA CO-OPS station 9415252, established 1977, gauge removed 2014. The tide times and heights are published as time and height offsets from its reference gauge; TidalMap republishes them daily and does not alter them.
Tide stations near Petaluma River entrance
- Sonoma Creek: 6.1 mi, tides about 5 min earlier
- Gallinas, Gallinas Creek: 6.9 mi, tides about 23 min earlier
- Wingo, Sonoma Creek: 7.8 mi, tides about 55 min later
- Point San Pedro: 9.0 mi, tides about 41 min earlier
- Upper drawbridge, Petaluma River: 9.7 mi, tides about 50 min later
TidalMapMonthly tide calendar
🌊 Biggest flood tides at Petaluma River entrance this month: Nov 22, Nov 23, Nov 24, Nov 25, Nov 26, Nov 27. These spring highs push water up into the grass and over the oyster rock; prime for poling into flooded marsh for tailing reds.
🔻 Negative (minus) low tides at Petaluma River entrance this month: Nov 1, Nov 2, Nov 7, Nov 8, Nov 9, Nov 10, Nov 11, Nov 12, Nov 13, Nov 22, Nov 23, Nov 24 …. These drain the flats and expose the oyster rock, prime for sight-fishing and clamming.
Best fishing times (solunar)
Major and minor solunar windows for Petaluma River entrance, peak feeding activity is around the moon overhead/underfoot (majors) and moonrise/moonset (minors). Score is the day's activity coefficient (0–100).
| Day | Major windows | Minor windows | Score |
|---|---|---|---|
| Today 🌗 | 6:42–8:42 AM 7:07–9:07 PM | 11:51–1:51 AM 1:21–3:21 PM | 49 |
| Wed Nov 4 🌗 | 7:30–9:30 AM 7:55–9:55 PM | 1:01–3:01 AM 1:47–3:47 PM | 62 |
| Thu Nov 5 🌘 | 8:15–10:15 AM 8:40–10:40 PM | 2:09–4:09 AM 2:12–4:12 PM | 74 |
| Fri Nov 6 🌘 | 9:00–11:00 AM 9:25–11:25 PM | 3:15–5:15 AM 2:36–4:36 PM | 84 |
| Sat Nov 7 🌘 | 9:46–11:46 AM 10:11–12:11 AM | 4:21–6:21 AM 3:02–5:02 PM | 92 |
| Sun Nov 8 🌘 | 10:32–12:32 PM 10:57–12:57 AM | 5:25–7:25 AM 3:32–5:32 PM | 97 |
| Mon Nov 9 🌑 | 11:20–1:20 PM 11:45–1:45 AM | 6:29–8:29 AM 4:06–6:06 PM | 99 |
Predictions & observations: NOAA CO-OPS station 9415252. Solunar windows computed from the moon's position for this location. Times shown in the station's local time. Not for navigation.
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