Arecibo — Water Temperature, Sea Conditions & Trends
This page provides clear and up-to-date information about water temperature for Arecibo (Puerto Rico). 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 Arecibo help you plan your visit and choose the best time for swimming.
Current Water Temperature
Water temperature in Arecibo in the Caribbean Sea today is 28°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature is above 82°F (28°C). This is very warm water, which may feel almost hot to most people. Swimming in such conditions is perfect for those seeking relaxation and comfort in the water. These waters are often preferred for relaxation in hot weather, as the water temperature does not cool the body significantly. However, it is important to remember that in such warm waters, caution is necessary, as prolonged exposure without rest can lead to overheating.
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 Arecibo 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 Arecibo will be 28.5°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 2 | 27.8°C | 28.5°C | |
| JUN 3 | 27.9°C | 28.5°C | |
| JUN 4 | 28.2°C | 28.0°C | |
| JUN 5 | 28.3°C | 28.0°C | |
| JUN 6 | 28.3°C | 28.5°C | |
| JUN 7 | 28.3°C | 28.3°C | |
| JUN 8 | 28.4°C | 28.0°C | |
| JUN 9 | 28.3°C | 28.0°C | |
| JUN 10 | 28.4°C | 28.0°C | 28.4°C |
| JUN 11 | 28.3°C | 28.4°C | |
| JUN 12 | 28.0°C | 28.4°C | |
| JUN 13 | 28.3°C | 28.4°C | |
| JUN 14 | 28.3°C | 28.4°C | |
| JUN 15 | 28.5°C | 28.5°C | |
| JUN 16 | 28.5°C | 28.5°C | |
| JUN 17 | 28.3°C | 28.5°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
Arecibo sits on Puerto Rico’s northern Atlantic coast, where the sea is characteristically warm year-round but shows modest seasonal variation. Typical surface water temperatures range from about 25–26 °C in the coolest months (December to February), rising to roughly 28–29 °C through spring and early summer and peaking around 29–30 °C in the warmest months (July to September). Autumn temperatures generally fall back into the high 27s °C. These values reflect a balance between tropical warmth and occasional cooler upwelling or Atlantic swell, so the water feels pleasantly warm for most visitors even during the winter.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 25°C | 27°C | 28°C |
| February | 25°C | 27°C | 28°C |
| March | 24°C | 27°C | 28°C |
| April | 24°C | 27°C | 29°C |
| May | 26°C | 28°C | 30°C |
| June | 27°C | 28°C | 31°C |
| July | 27°C | 29°C | 30°C |
| August | 27°C | 29°C | 31°C |
| September | 28°C | 30°C | 32°C |
| October | 28°C | 30°C | 32°C |
| November | 27°C | 29°C | 31°C |
| December | 26°C | 28°C | 30°C |
* Click on a month to view detailed water temperature data.
Arecibo: Weather Forecast
June 11
June 12
June 13
June 14
Location, Beaches & Local Information
Nearby Beaches & Facilities
Playa Abacoa
La Posita Del Obispo Beach
Plaza de la Juventud
El Faro Beach
Bishops Pond
Playa Bea
Casa Pesca Beach
El Penon de Mera
Playa Punta Caracoles
Swimming Conditions
Swimming and beach holidays in Arecibo combine calm, sheltered spots with more exposed Atlantic shoreline that can produce strong surf and currents. There are sandy beaches and rocky coves suitable for casual swimming, sunbathing, and snorkeling when conditions are calm, while open-coast areas attract surfers and bodyboarders when waves increase. Many popular swimming spots lack continuous lifeguard coverage, so checking local advisories and observing surf and current conditions is important. For a relaxed beach holiday, choose sheltered bays and check seasonal forecasts; for water sports, time visits to coincide with the swell and wind patterns. Regardless of season, water temperatures are generally comfortable for extended swimming and snorkeling in the 25–30 °C range.