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4 Mile water temperature
4 Mile ratings
Quality on a good day: 3.7
Consistency of Surf: 3.3
Difficulty Level: 3.3
Wind and Kite Surfing: 1.5
Crowds: 2.0

Overall: 3.0

See all 18 ratings

Based on 3 votes. Vote


Surf Report Feed

4 Mile Water Temperature and Wetsuit Guide

(Santa Cruz, USA)

Today's 4 Mile sea temperature is 13.2 °C.

Statistics for 11 Dec (1981–2005) – mean: 13.0 °C, range: 11.7 °C to 15.4 °C

Sunny with pleasantly warm air temperatures (feels like 21 °C) at 4 Mile, yet the sea remains several degrees colder than the air. Most surfers will need a spring wetsuit though a summer suit or even a shorty may suffice for a short session.

United States Sea Water Temperature

Map of current United States
Surface Water Temperatures
based on measurements from oceanographic satellites
United States Water Temperature Anomaly

Map of current United States
Sea Water Temperature Anomalies

(compared with long term averages
at this time of year)

(click thumbnails to expand)

Below is a graph of Historical Sea Surface Temperature for 4 Mile. This has been derived from analysis of two decades of oceanographic satellite measurements of nearby open water. We have calculated the average water temperature variation around the year as well as the extremes that have been observed on each date.

4 Mile Water Temperature Graph

All of the graphs for the surf breaks presented on Surf-Forecast.com are on the same scale to enable comparison between locations around the world.

4 Mile sea temperatures peak in the range 14 to 18°C (57 to 64°F) on around the 23rd of September and are at their lowest on about the 2nd of April, in the range 10 to 14°C (50 to 57°F). The warmest seasonal sea temperatures at 4 Mile in the fourth week of September lend themselves to a 4/3mm wetsuit or a 3/2mm suit and 3mm neoprene boots. The lowest sea temperatures at 4 Mile in early April are ideally suited to a 4/3mm wetsuit + 3mm boots, although a 5/3mm wetsuit may be preferable for longer sessions and cold windy days.

Actual sea surface water temperatures close to shore at 4 Mile can vary by several degrees compared with these open water averages. This is especially true after heavy rain, close to river mouths or after long periods of strong offshore winds. Offshore winds cause colder deep water to replace surface water that has been warmed by the sun. Air temperature, wind-chill and sunshine should also be considered before deciding on the kind of wetsuit needed to stay warm when surfing at 4 Mile. Refer to our detailed weather forecasts for this information.