Hampton Beach — Water Temperature, Sea Conditions & Trends
This page provides clear and up-to-date information about water temperature for Hampton Beach (New Hampshire, 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 Hampton Beach help you plan your visit and choose the best time for swimming.
Current Water Temperature
Water temperature in Hampton Beach in the Atlantic Ocean today is 15°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 Hampton Beach 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 Hampton Beach will be 15.6°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 5 | 11.5°C | 12.0°C | |
| JUN 6 | 11.9°C | 12.8°C | |
| JUN 7 | 12.2°C | 13.3°C | |
| JUN 8 | 13.2°C | 12.8°C | |
| JUN 9 | 13.8°C | 13.5°C | |
| JUN 10 | 13.9°C | 13.8°C | |
| JUN 11 | 14.5°C | 14.3°C | |
| JUN 12 | 14.8°C | 14.3°C | |
| JUN 13 | 15.3°C | 14.3°C | 15.3°C |
| JUN 14 | 13.8°C | 15.3°C | |
| JUN 15 | 14.5°C | 15.4°C | |
| JUN 16 | 14.5°C | 15.4°C | |
| JUN 17 | 14.8°C | 15.5°C | |
| JUN 18 | 14.8°C | 15.5°C | |
| JUN 19 | 15.3°C | 15.5°C | |
| JUN 20 | 15.3°C | 15.6°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
Hampton Beach sits on the southern New Hampshire shoreline of the Atlantic and experiences a wide annual swing in sea temperatures. In winter months the ocean surface commonly ranges from about 0 to 5 °C, remaining cold even on milder days. Spring brings gradual warming, with water typically climbing from roughly 3 to 12 °C as the season progresses. By summer the bay and nearshore surf are at their warmest, often reaching between 15 and 22 °C in June through August, with peak warmth usually occurring in late July or August. Autumn sees a steady cooling trend, with temperatures generally falling into the 8 to 16 °C range as the water releases the heat accumulated through summer.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 3°C | 5°C | 7°C |
| February | 2°C | 4°C | 6°C |
| March | 2°C | 4°C | 6°C |
| April | 3°C | 6°C | 9°C |
| May | 6°C | 9°C | 14°C |
| June | 10°C | 14°C | 19°C |
| July | 14°C | 18°C | 22°C |
| August | 16°C | 19°C | 22°C |
| September | 14°C | 17°C | 21°C |
| October | 9°C | 15°C | 18°C |
| November | 7°C | 11°C | 14°C |
| December | 4°C | 8°C | 11°C |
* Click on a month to view detailed water temperature data.
Hampton Beach: Weather Forecast
June 14
June 15
June 16
June 17
Location, Beaches & Local Information
Nearby Beaches & Facilities
Hampton Beach
Hampton Harbor Beach
Hampton Beach State Park
North Hampton State Beach
Old Hampshire Beach
Seabrook Town Beach
Beckmans Point
Seabrook Harbor Beach
Seabrook Dunes And Beach
Swimming Conditions
Those temperature patterns shape swimming and beach holiday choices at Hampton Beach. The summer window, when water commonly exceeds about 18 °C, offers the most comfortable conditions for casual swimmers and families, and lifeguarded areas along the main beach are busiest then. Cooler shoulder seasons still attract visitors for long walks, tidepooling and bracing dips; many people use wetsuits or limit time in water when temperatures are below roughly 15 °C. The beach also supports other water activities—surfing, bodyboarding and paddle sports—especially when wind and swell create surfable waves. Visitors planning a swim-focused trip should aim for the warm mid-summer period for the most reliable in-water comfort, while those seeking quieter conditions will find the colder months scenic but less suitable for prolonged swimming.