Stinson Beach — Water Temperature, Sea Conditions & Trends
This page provides clear and up-to-date information about water temperature for Stinson Beach (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 Stinson Beach help you plan your visit and choose the best time for swimming.
Current Water Temperature
Water temperature in Stinson Beach in the Pacific Ocean today is 16°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
Water temperature in Stinson Beach has risen over the last week and month. 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 Stinson Beach will be 14.1°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 |
|---|---|---|---|
| JUN 26 | 15.4°C | 12.8°C | |
| JUN 27 | 15.7°C | 12.8°C | |
| JUN 28 | 15.4°C | 13.0°C | |
| JUN 29 | 15.2°C | 13.0°C | |
| JUN 30 | 15.2°C | 14.0°C | |
| JUL 1 | 15.5°C | 14.3°C | |
| JUL 2 | 15.2°C | 14.3°C | |
| JUL 3 | 15.4°C | 14.3°C | |
| JUL 4 | 15.6°C | 14.3°C | 15.6°C |
| JUL 5 | 13.8°C | 15.4°C | |
| JUL 6 | 13.0°C | 15.2°C | |
| JUL 7 | 13.8°C | 15.0°C | |
| JUL 8 | 13.5°C | 14.8°C | |
| JUL 9 | 12.8°C | 14.6°C | |
| JUL 10 | 13.5°C | 14.3°C | |
| JUL 11 | 13.3°C | 14.1°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
Stinson Beach sits on the northern California coast in Marin County, opening onto the cold Pacific waters just south of Point Reyes. Sea temperatures there are notably chilly year-round compared with more southerly California beaches and are strongly influenced by coastal upwelling and ocean currents. Typical seasonal ranges run roughly from about 9–12 °C in winter (December–February), 10–13 °C in spring (March–May), 11–15 °C in summer (June–August) and 12–16 °C in early fall (September–November). These figures are approximate and local conditions can produce colder pockets or occasional warm spells; fog, wind and swell also affect the perceived temperature and comfort for swimmers.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 10°C | 12°C | 15°C |
| February | 9°C | 12°C | 14°C |
| March | 9°C | 11°C | 14°C |
| April | 9°C | 12°C | 14°C |
| May | 9°C | 12°C | 15°C |
| June | 8°C | 13°C | 17°C |
| July | 10°C | 14°C | 17°C |
| August | 10°C | 14°C | 19°C |
| September | 11°C | 15°C | 18°C |
| October | 11°C | 15°C | 18°C |
| November | 10°C | 13°C | 18°C |
| December | 10°C | 12°C | 16°C |
* Click on a month to view detailed water temperature data.
Stinson Beach: Weather Forecast
July 5
July 6
July 7
July 8
Location, Beaches & Local Information
Nearby Beaches & Facilities
Stinson Beach
Upton Beach
Steep Ravine Beach
Red Rock Beach
Seadrift Beach
Bolinas Beach
Slide Ranch Beach
Agate Beach County Park - Duxbury Reef
Little Muir Beach
Swimming Conditions
Swimming at Stinson Beach is popular in warm weather despite the cold water, and the long sandy shore makes it attractive for beach holidays, picnics and shoreline wading. Lifeguards patrol during the main season, but swimmers should be aware of frequent rip currents, strong surf and the rapid loss of body heat in nearshore water, so wetsuits are commonly used even in summer. Calm days can offer pleasant paddling and shallow swimming near the shore, while surfers and open-water swimmers target specific spots with proper gear and experience. Visitors planning to swim should check current conditions, respect posted warnings, and be prepared for cold water even on sunny days.