Mashpee — Water Temperature, Sea Conditions & Trends
This page provides clear and up-to-date information about water temperature for Mashpee (Massachusetts, United States). It includes the current water temperature, daily data for the last month presented in a simple chart, and a 7-day forecast. The page also compares today’s value with typical averages for this period, shows usual monthly ranges during the year, and lists nearby beaches with short descriptions. Local weather for the next few days and general details about Mashpee help you plan your visit and choose the best time for swimming.
Current Water Temperature
Water temperature in Mashpee in the Atlantic Ocean today is 17°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people.
It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart Over the Last 30 Days
Water temperature in Mashpee has risen over the last week and month. Currently, the sea water temperature at this location matches the average for this day in previous years.
According to our forecast, Water temperature in Mashpee will be 16.6°C in the next 7 days. See the table below for daily data for the upcoming week.
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| JUN 3 | 14.9°C | 14.0°C | |
| JUN 4 | 14.9°C | 14.5°C | |
| JUN 5 | 15.0°C | 15.5°C | |
| JUN 6 | 15.4°C | 15.5°C | |
| JUN 7 | 15.9°C | 15.5°C | |
| JUN 8 | 16.0°C | 14.8°C | |
| JUN 9 | 16.1°C | 16.5°C | |
| JUN 10 | 16.7°C | 16.5°C | |
| JUN 11 | 16.7°C | 16.5°C | 16.7°C |
| JUN 12 | 15.0°C | 16.7°C | |
| JUN 13 | 15.5°C | 16.7°C | |
| JUN 14 | 16.0°C | 16.6°C | |
| JUN 15 | 16.5°C | 16.6°C | |
| JUN 16 | 16.5°C | 16.6°C | |
| JUN 17 | 16.5°C | 16.6°C | |
| JUN 18 | 16.5°C | 16.6°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.
Water temperature data for this location is gathered from various sources, including buoys and satellite sea and ocean surface maps provided by the NOAA agency. We also incorporate data from local authorities in each specific location worldwide to ensure more accurate temperature readings.
Annual Water Temperature Overview by Month
Monthly Water Temp Ranges
Annual Water Temperature Trend
Mashpee, on the southern shore of Cape Cod in Massachusetts, is bordered by a mix of Atlantic-influenced waters, Nantucket Sound, tidal creeks and numerous freshwater kettle ponds. Water temperatures in the coastal and bay areas change markedly through the year: winter months typically see surface temperatures close to 0–4°C, spring warms gradually to about 4–12°C, summer brings the warmest conditions generally between 15–22°C, and autumn drops back to roughly 10–16°C. Freshwater ponds in the Mashpee area can warm more quickly in summer, often reaching 20–25°C in shallow, sunlit spots, while deeper areas and channels remain cooler. Local winds, tides and currents cause short-term variability, so conditions at a given beach or pond can differ from the broader seasonal averages.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 2°C | 4°C | 8°C |
| February | 1°C | 3°C | 6°C |
| March | 1°C | 4°C | 7°C |
| April | 4°C | 7°C | 11°C |
| May | 6°C | 12°C | 16°C |
| June | 10°C | 16°C | 22°C |
| July | 15°C | 21°C | 24°C |
| August | 18°C | 22°C | 25°C |
| September | 16°C | 20°C | 24°C |
| October | 9°C | 16°C | 21°C |
| November | 7°C | 12°C | 16°C |
| December | 4°C | 7°C | 11°C |
* Click on a month to view detailed water temperature data.
Mashpee: Weather Forecast
June 12
June 13
June 14
June 15
Location, Beaches & Local Information
Nearby Beaches & Facilities
Dean Pond
Mashpee Town Beach
Popponesset Beach
South Cape Beach
South Cape Beach State Park
New Seaburry Marina
Seconsett Island Causeway
Callies Beach
Popponesset Bay
Swimming Conditions
Swimming and beach recreation in Mashpee reflect these temperature patterns, with the peak season for comfortable bathing concentrated in July and August when coastal and pond waters are warmest. Popular swimming sites, including town beaches and state park stretches on Nantucket Sound, offer sandy shores, tidal flats and lifeguarded areas during the summer, and pond beaches provide calmer water options for families. Even in summer, chilly currents or sudden wind-driven cooling can make coastal swims brisk, and colder spring and autumn days limit most casual swimming to more sheltered ponds or brief dips. Visitors planning a beach holiday typically aim for mid-summer for the warmest water, while those seeking quieter periods should be prepared for much cooler temperatures and varying conditions.