Stornoway — Water Temperature, Sea Conditions & Trends
This page provides clear and up-to-date information about water temperature for Stornoway (Scotland, United Kingdom). 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 Stornoway help you plan your visit and choose the best time for swimming.
Current Water Temperature
Water temperature in Stornoway in the North Sea today is 11°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
❌ As of today, the minimum water temperature ranges from 50°F (10°C) to 54°F (12°C). The water is slightly warmer, but still cool for most people. Swimming in such conditions is possible, but for most people, the time spent in the water should be limited to avoid hypothermia. Even experienced swimmers may feel discomfort if they stay in the water for too long. To improve comfort and safety, a wetsuit can be used.
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 Stornoway 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 Stornoway will be 11.1°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 4 | 10.5°C | 10.3°C | |
| JUN 5 | 10.6°C | 10.8°C | |
| JUN 6 | 10.5°C | 10.8°C | |
| JUN 7 | 10.6°C | 10.8°C | |
| JUN 8 | 10.7°C | 10.5°C | |
| JUN 9 | 10.7°C | 10.8°C | |
| JUN 10 | 10.8°C | 10.8°C | |
| JUN 11 | 11.2°C | 10.8°C | |
| JUN 12 | 11.2°C | 10.8°C | 11.2°C |
| JUN 13 | 10.8°C | 11.2°C | |
| JUN 14 | 11.3°C | 11.2°C | |
| JUN 15 | 11.0°C | 11.2°C | |
| JUN 16 | 11.0°C | 11.2°C | |
| JUN 17 | 11.0°C | 11.2°C | |
| JUN 18 | 11.0°C | 11.1°C | |
| JUN 19 | 11.0°C | 11.1°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
Stornoway, the main town on the Isle of Lewis in Scotland’s Outer Hebrides, sits on the sheltered shores of Stornoway Harbour and nearby sandy bays that open onto the North Atlantic. Sea temperatures here are cool year-round: winter months typically see water around 6–8 °C, spring slowly rises to about 7–10 °C, summer brings the warmest conditions at roughly 11–14 °C, and autumn waters usually fall back to about 9–11 °C. Overall annual sea temperatures commonly range between about 6 °C at the coldest and 14 °C at the warmest, influenced by Atlantic currents, tides and frequent weather changes that can alter surface temperatures within days.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 7°C | 9°C | 11°C |
| February | 7°C | 9°C | 10°C |
| March | 6°C | 8°C | 10°C |
| April | 7°C | 8°C | 11°C |
| May | 8°C | 9°C | 12°C |
| June | 9°C | 11°C | 14°C |
| July | 10°C | 13°C | 15°C |
| August | 11°C | 14°C | 15°C |
| September | 12°C | 13°C | 15°C |
| October | 11°C | 13°C | 14°C |
| November | 10°C | 12°C | 13°C |
| December | 9°C | 10°C | 12°C |
* Click on a month to view detailed water temperature data.
Stornoway: Weather Forecast
June 13
June 14
June 15
June 16
Location, Beaches & Local Information
Nearby Beaches & Facilities
Traigh Chuil Beach
Swimming Conditions
Swimming and beach holidays in and around Stornoway are best approached as cool-water or wild-swimming experiences rather than warm-sea leisure visits. Sandy beaches and sheltered bays provide pleasant scenery and opportunities for short swims, snorkelling, and water sports, but the water remains brisk even in summer so wetsuits are common and advisable for longer swims. Many local swimmers enjoy shore entries, rockpool exploration and kayak trips during calmer conditions, while organized events or guided swims happen occasionally in the warmer months. Visitors should be mindful of tides, rip currents and rapidly changing weather, and take basic safety precautions—swim with a companion, wear appropriate thermal protection, and check local advice—because most beaches are not regularly lifeguarded. Stornoway offers dramatic coastal settings suited to active beachgoers who expect cool water and variable conditions.