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

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

Nantucket is an island in the United States. It is one of the islands of the Massachusetts island group. The water temperature around Nantucket has significant variability during the year. The temperature ranges from 3.6°C (38.5°F) in January up to 21.3°C (70.4°F) in the month of August, as shown in the interactive table below. The average water temperature throughout the year is 11°C (51°F) and the best time for water activities is late summer, since Nantucket 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 Nantucket?

The current water temperature in the month of April near Nantucket is ca:
6°C (43°F)

Are there surf spots in close proximity to Nantucket?

Yes, there are a few surf spots close to Nantucket. The nearest one is Madaquecham Nantucket Island, which is 1.5km (2.9miles) away from Nantucket. Click here for directions and for more information on Madaquecham Nantucket Island and its current water temperature. Other surfspots near Nantucket are Cisco Beach Nantucket Island, which is roughly 4.7km (2.9miles) away, and Madaket, located ca 7.6km (4.7miles) from Nantucket.

Are there white sand beaches close by?

There are some gorgeous beaches in close proximity to Nantucket. The closest one is Fishermans Beach, which is 1.8km (1.1miles) away from Nantucket. Another nice beach near Nantucket is Nantucket, which is roughly 2km (1.3miles) away.

Which wetsuit thickness is recommended for Nantucket?

The sea temperature around Nantucket is relatively cold, reaching up to 21°C (70°F) in the months of July, August, and September. During this time, in the late summer, a 2-3mm wetsuit might be recommended to be in the water for more than half an hour, but some people might even be ok with a jumpsuit or even a wetsuit top for surfing, swimming, snorkelling, or scuba diving around Nantucket. However, during winter, water temperatures reach lows of 4°C (38°F). During these months, a 5/6 drysuit with booties, hoddie and gloves is recommended to feel not too cold, but some might even be fine with a very good 5/6mm wetsuit for very short periods of time . For very chilly conditions and cold mornings/evenings, it might be recommended to carry a stack of extra warm clothing and hot drinks.

How is the diving and fishing close to Nantucket?

Due to significant temperature changes during the year, fishing and Scuba diving conditions vary a lot depending on the season. The temperature ranges from 4 to 9°C (38-47°F) during winter. Pollock, Winter Flounder, and Atlantic Cod are typical fish that can be found in waters of this temperature range. Nevertheless, the conditions usually change during July, August, and September when water temperatures go up to 16 to 21°C (61-70°F). Fish that can often times be found in waters of this temperature range include: Red Snapper, Skipjack Tuna, Striped Bass, and Weakfish.

Directions to Nantucket: How do I get there?

Please follow the directions in the map below.

Fun facts about Nantucket...

Do you know what the Norwegian Sea , Muli in Maldives, and the city San Teodoro in Italy have in common with Nantucket? Click on the links to find out...