Twin Lakes — Water Temperature, Sea Conditions & Trends
This page provides clear and up-to-date information about water temperature for Twin Lakes (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 Twin Lakes help you plan your visit and choose the best time for swimming.
Current Water Temperature
Water temperature in Twin Lakes in the Pacific Ocean today is 15°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 Twin Lakes rose over the last 30 days but fell over the last week. 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 Twin Lakes will be 14.2°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 | 15.6°C | 13.8°C | |
| JUN 27 | 15.8°C | 12.8°C | |
| JUN 28 | 16.1°C | 13.0°C | |
| JUN 29 | 15.8°C | 13.5°C | |
| JUN 30 | 15.1°C | 14.5°C | |
| JUL 1 | 14.8°C | 14.3°C | |
| JUL 2 | 14.8°C | 13.5°C | |
| JUL 3 | 14.9°C | 13.8°C | |
| JUL 4 | 15.0°C | 13.8°C | 15.0°C |
| JUL 5 | 14.5°C | 14.9°C | |
| JUL 6 | 14.5°C | 14.8°C | |
| JUL 7 | 14.8°C | 14.6°C | |
| JUL 8 | 14.3°C | 14.5°C | |
| JUL 9 | 14.3°C | 14.4°C | |
| JUL 10 | 14.0°C | 14.3°C | |
| JUL 11 | 14.3°C | 14.2°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
Twin Lakes in California refers to a pair of high‑elevation alpine lakes in the Sierra Nevada that are noted for clear water and scenic surroundings. Because they sit well above sea level, the lakes stay cool through much of the year. Typical seasonal surface temperatures run roughly 2–8 °C in late spring as snowmelt feeds the basins, warming to about 8–16 °C during the warmest weeks of midsummer. In early autumn, as nights cool and inflows decline, surface readings commonly fall back to around 6–12 °C, and by winter the lakes are near freezing or ice‑covered in most years. Shallow, sun‑exposed bays warm noticeably more than deeper water, but overall the lakes retain an alpine chill even in the height of summer.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 10°C | 13°C | 15°C |
| February | 10°C | 12°C | 15°C |
| March | 9°C | 12°C | 16°C |
| April | 10°C | 13°C | 16°C |
| May | 10°C | 13°C | 18°C |
| June | 10°C | 14°C | 18°C |
| July | 11°C | 15°C | 19°C |
| August | 11°C | 16°C | 19°C |
| September | 12°C | 16°C | 19°C |
| October | 12°C | 16°C | 19°C |
| November | 11°C | 13°C | 18°C |
| December | 10°C | 13°C | 16°C |
* Click on a month to view detailed water temperature data.
Twin Lakes: Weather Forecast
July 5
July 6
July 7
July 8
Location, Beaches & Local Information
Nearby Beaches & Facilities
Twin Lakes State Beach - Schwan Lake Park
Twin Lakes State Beach - Blacks Beach
Twin Lakes State Beach
Santa Cruz Harbor Beach
Seabright Beach
Corcoran Lagoon Beach
Sunny Cove Beach
Santa Maria's Beach
Santa Cruz Beach
Swimming Conditions
Swimming at Twin Lakes is possible but best described as a cool, short‑season activity rather than a classic beach holiday. During late July and August there are windows when brief recreational swims or wading are comfortable for acclimated visitors; many people prefer short dips, use wetsuits, or stick to shallow coves that can reach the upper end of the summer temperature range. Shorelines are frequently rocky with a few small grassy or sandy spots rather than long sandy beaches, and amenities are limited compared with lowland resort beaches. Visitors planning to swim should be prepared for cold water, watch changing weather, and expect no formal lifeguard coverage; the area is more commonly used for picnicking, boating, and fishing alongside occasional chilled swims.