Sausalito — Water Temperature, Sea Conditions & Trends
This page provides clear and up-to-date information about water temperature for Sausalito (California, United States). It includes the current water temperature, daily data for the last month presented in a simple chart, and a 7-day forecast. The page also compares today’s value with typical averages for this period, shows usual monthly ranges during the year, and lists nearby beaches with short descriptions. Local weather for the next few days and general details about Sausalito help you plan your visit and choose the best time for swimming.
Current Water Temperature
Water temperature in Sausalito in the Pacific Ocean today is 17°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people.
It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart Over the Last 30 Days
Currently, the sea water at this location is slightly warmer than average for this day in previous years.
According to our forecast, Water temperature in Sausalito will be 16.1°C in the next 7 days. See the table below for daily data for the upcoming week.
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| JUL 17 | 17.2°C | 15.5°C | |
| JUL 18 | 16.4°C | 15.5°C | |
| JUL 19 | 16.0°C | 15.5°C | |
| JUL 20 | 16.3°C | 15.5°C | |
| JUL 21 | 16.2°C | 15.5°C | |
| JUL 22 | 16.3°C | 16.0°C | |
| JUL 23 | 16.8°C | 15.8°C | |
| JUL 24 | 17.1°C | 15.8°C | |
| JUL 25 | 16.9°C | 15.8°C | 16.9°C |
| JUL 26 | 15.3°C | 16.8°C | |
| JUL 27 | 15.5°C | 16.7°C | |
| JUL 28 | 15.5°C | 16.5°C | |
| JUL 29 | 16.0°C | 16.4°C | |
| JUL 30 | 15.5°C | 16.3°C | |
| JUL 31 | 15.8°C | 16.2°C | |
| AUG 1 | 14.8°C | 16.1°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.
Water temperature data for this location is gathered from various sources, including buoys and satellite sea and ocean surface maps provided by the NOAA agency. We also incorporate data from local authorities in each specific location worldwide to ensure more accurate temperature readings.
Annual Water Temperature Overview by Month
Monthly Water Temp Ranges
Annual Water Temperature Trend
Sausalito sits on the sheltered northern shore of San Francisco Bay and is influenced by cold Pacific currents, tidal flow, and local wind-driven upwelling, so water temperatures remain cool year-round. Typical seasonal ranges run approximately 8–12°C in winter, rising to about 9–14°C in spring. Peak summer temperatures commonly reach roughly 12–17°C in the warmest, most protected areas, while autumn generally cools back to around 10–14°C. Local conditions can vary by a few degrees depending on tides, recent upwelling, freshwater runoff, and whether you are in a shallow sheltered cove versus the more open bay; sheltered pockets such as parts of Richardson Bay may feel a little warmer than exposed slips and channels.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 10°C | 12°C | 14°C |
| February | 9°C | 12°C | 14°C |
| March | 9°C | 12°C | 14°C |
| April | 9°C | 13°C | 15°C |
| May | 9°C | 13°C | 16°C |
| June | 8°C | 14°C | 18°C |
| July | 10°C | 15°C | 18°C |
| August | 10°C | 15°C | 19°C |
| September | 11°C | 16°C | 19°C |
| October | 11°C | 16°C | 19°C |
| November | 11°C | 13°C | 18°C |
| December | 9°C | 12°C | 16°C |
* Click on a month to view detailed water temperature data.
Sausalito: Weather Forecast
July 26
July 27
July 28
July 29
July 30
Location, Beaches & Local Information
Nearby Beaches & Facilities
Schoonmaker Beach
Tiffany Beach
Fort Baker Beach
Kirby Cove Beach
Black Sands Beach
Angel Island State Park
Paradise Beach Park
Sand Springs Beach
Jessens Beach
Swimming Conditions
Swimming in Sausalito reflects those cool temperatures and the urban waterfront character: there are a few small, rocky beaches and shore access points where people enter the water, but broad sandy beach holiday conditions are limited. Many recreational users prefer kayaking, paddleboarding, or organized open-water swims, and serious swimmers typically use wetsuits even in summer. Boat traffic, currents, and local water-quality fluctuations after rain make awareness and caution important; lifeguards are not common at most shoreline access points. For visitors seeking a typical warm-sand beach holiday, nearby coastal beaches in Marin County offer different conditions, while Sausalito is best suited to short swims, watersports, and waterfront recreation combined with the town’s dining and scenic amenities.