Garths Reef Surf Break
Lat Long: 41.77° N 124.24° W

Garths Reef Sea Temperature and Wetsuit Guide

Weather Forecast for Garths Reef

Issued: 4 pm 08 Jun 2026 (local time)

Forecast update in  hr  min

Today's Garths Reef sea temperature is
9.9° C

2.5°C colder than average for this time of year

Garths Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Garths Reef sea temperature is 9.9 °C

(2.5°C colder than average for this time of year)

Mean: 12.4 °C
Range: 10.5 °C to 14.4 °C
Statistics for 08 Jun (1981–2005)
  • neoprene wetsuit hood for warmth and a watertight seal in cold sea temperatures
  • neoprene gloves for warmth, grip, and protection in cold temperatures
  • wetsuit boots for warmth, grip, and protection in cold temperatures

Today, many surfers would wear a winter wetsuit, a neoprene hood, gloves and boots.

The water temperature (9 °C) at Garths Reef is very cold. You will need a quality steamer wetsuit, a neoprene hood, gloves and boots. Cloudy, with an effective air temperature of (9 °C), so feeling about the same in the water or out of it.

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 Garths Reef. 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.

Garths Reef 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.

Garths Reef sea temperatures peak in the range 11 to 17°C (52 to 63°F) on around the 23rd of August and are at their lowest on about the 8th of February, in the range 9 to 12°C (48 to 54°F). The highest sea temperatures at Garths Reef in the fourth week of August 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. At its lowest in early to mid February, low sea temperatures at Garths Reef are suited to a 5/4mm or 5/3mm good quality wetsuit with neoprene gloves and 3mm boots. You will need a hood if it's windy or the air is cold.

Actual sea surface water temperatures close to shore at Garths Reef 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 Garths Reef. Refer to our detailed weather forecasts for this information.

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