30th Street/Ship Bottom Surf Break

Lat Long: 39.64° N 74.18° W

30th Street/Ship Bottom Sea Temperature and Wetsuit Guide

Issued: 7 pm 06 Aug 2026 (local time)

Forecast update in  hr  min

Today's 30th Street/Ship Bottom sea temperature is
24.6° C
1.4° 

30th Street/Ship Bottom surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's 30th Street/Ship Bottom sea temperature is 24.6 °C

(1.4° warmer than normal for this time of year)

Mean: 23.2 °C
Range: 21.2 °C to 24.7 °C
Statistics for 06 Aug (1981–2005)

    Today, many surfers would wear a summer wetsuit.

    A hot sunny day, feeling like 30 °C even after we account for wind, and warm water temperature (24 °C) too at 30th Street/Ship Bottom. Surfers may need a thin summer wetsuit or at least a rash vest to block the UV. Otherwise, warm enough for just board shorts.

    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 30th Street/Ship Bottom. 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.

    30th Street/Ship Bottom 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.

    30th Street/Ship Bottom water temperatures peak in the range 22 to 25°C (72 to 77°F) on around the 9th of August and are at their coldest on about the 1st of March, in the range 1 to 4°C (34 to 39°F). 30th Street/Ship Bottom water temperatures are always warm reach their maximum in early to mid August. You'll need a 2mm neoprene top or a shorty at dawn/dusk or if it's windy. The coldest water temperatures at 30th Street/Ship Bottom mean that you will need a flexible 6/5/4mm wetsuit or a well fitting 5/4mm wetsuit with gloves and 5mm neoprene booties and a hood to surf here at the beginning of March.

    Actual sea surface water temperatures close to shore at 30th Street/Ship Bottom 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 30th Street/Ship Bottom. Refer to our detailed weather forecasts for this information.

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