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Sea temperatures, water sports and vacation activities near Castaic, United States

Water temperatures throughout the year and general information about Castaic...

Castaic is a coastal city in the United States. It is a quite dense city close to the ocean with a population of 19015 people. The water temperature around Castaic varies slightly year round. The temperature ranges from 13.9°C (56.9°F) in March up to 19°C (66.1°F) in the month of September, as illustrated below. The average water temperature throughout the year is 16°C (61°F) and the best time for water activities is early fall, since Castaic is located in the northern hemisphere.

Hover over the bars to see temperature for each month in Celsius and Fahrenheit.

What is the current water temperature near Castaic?

The current water temperature in the month of September near Castaic is about:
19°C (66°F)

Are there surf spots close by?

There are not many surf spots in proximity to Castaic. A spot that might be worth checking out is Topanga Point, which is roughly 31.3km (19.5miles) away from Castaic. Click here to check out more information on Topanga Point and its current water temperature. Other good surfspots near Castaic are Sunset, which is 31.4km (19.5miles) away, and Malibu, located 31.7km (19.7miles) from Castaic.

Are there beaches near by?

There are not too many beaches in close proximity to Castaic. The next good one is Ventura County, which is 30.6km (19miles) away from Castaic. Another good beach near Castaic is Malibu Lagoon State Beach, which is approximately 31.6km (19.6miles) away.

What kind of wetsuit thickness do I need for Castaic?

The sea temperature around Castaic is relatively cold, reaching up to 19°C (66°F) in the months of August, September, and October. During this time, in the early fall, a 2-3mm wetsuit might be required to feel comfortable, but some might even be fine with a jumpsuit or even a wetsuit top for surfing, swimming, snorkelling, or diving around Castaic. Nevertheless, during early spring, water temperatures drop down to nearly 14°C (57°F). In this season, a 4/3 wetsuit is required to be able to stay in the water for extended hours, but some people might even be fine with a good-quality 2/3mm suit . For very windy conditions and cold mornings/evenings, it might be better to carry a pair of boots and a wetsuit hoodie.

How is the diving and fishing close to Castaic?

Due to comparatively large temperature changes during the year, fishing and diving conditions alter quite a bit depending on the season. The temperature ranges from 14 to 19°C (57-66°F) during February, March, and April. Atlantic Mackerel, Winter Flounder, and Tautog are typical fish that can be found in waters of this temperature range. The conditions typically change during fall when water temperatures go up to 14 to 19°C (57-66°F). Fish which like to roam around in waters of this temperature range include: Red Snapper, Skipjack Tuna, Striped Bass, and Weakfish.

Directions to Castaic: How do I get there?

Please follow the directions in the map below.

Some fun facts about Castaic...

Do you know what the the island Talakite in Tonga, the city Fluminata in Italy, and the city Quepos in Costa Rica have in common with Castaic? Click on the links to find out...