The most detailed information about the water temperature in Bay Saint Louis in Gulf of Mexico (Mississippi, United States). Forecast of changes in water temperature for the next 10 days. Statistics by months for recent years. Information about the neighboring resorts. Weather forecast in Bay Saint Louis for a week.
Water temperature in Bay Saint Louis right now
data updated 20 minutes ago68°F
yesterday: 67°F
a week ago: 68°F
Trend: stability
Today water temperature in Bay Saint Louis is 68.0°F. This water is cool and invigorating, but for many people it is already comfortable enough for swimming. In general, this temperature is considered normal, but if your circulation is impaired, the water may still feel cool. In any case, the general weather is also important. So, the air temperature at the same time will reach 68°F.
Analysis and forecast
The water temperature today is slightly lower than the average on this day in recent years. Its value has rise both over the past 20 days and over the past week. Exactly a year ago, on this day, the water temperature in this location was 71°F. Water temperature range in Bay Saint Louis in April is from 62 to 77 degrees.
According to our forecast, in the next 5-6 days the water temperature in Bay Saint Louis will become lower than today, but in 10 days it will still slightly rise, its value will be 68°F.
Table of water temperature values in Bay Saint Louis
| Day | Fact* | Average** | Forecast*** |
| Apr 9 | 19.2°C | 20.3°C | |
| Apr 10 | 19.7°C | 20.5°C | |
| Apr 11 | 20.2°C | 20.8°C | |
| Apr 12 | 20.3°C | 21.0°C | |
| Apr 13 | 20.5°C | 21.3°C | |
| Apr 14 | 19.8°C | 21.3°C | |
| Apr 15 | 19.7°C | 21.3°C | |
| Apr 16 | 20.0°C | 21.8°C | |
| Apr 17 | 21.5°C | 19.7°C | |
| Apr 18 | 21.5°C | 19.7°C | |
| Apr 19 | 21.5°C | 19.7°C | |
| Apr 20 | 21.0°C | 19.3°C | |
| Apr 21 | 21.5°C | 19.7°C | |
| Apr 22 | 21.8°C | 20.0°C | |
| Apr 23 | 21.8°C | 20.0°C |
** Average - Average water temperature on this day in past years
*** Forecast - Our forecast for the water temperature
Actual nearshore temperatures may vary by several degrees from the indicated values. This is noticeable after heavy rain or after prolonged periods of strong winds. Some downstream winds cause cold, deep waters to replace surface waters that have been warmed by the sun.
To develop a forecast, we use our own mathematical model, which takes into account the current change in water temperature, historical data and the main weather trends, wind strength and direction, air temperature in each specific region. We also take into account data for other resorts in United States.
Annual graph of average water temperature change in Bay Saint Louis
Water temperature in Bay Saint Louis by month
Bay Saint Louis located in the northern hemisphere, at latitude 30 degrees. The comfortable water temperature for swimming is set here in March, almost always only at the end of the month. During a year in Bay Saint Louis there are 227 days of swimming. In general, the swimming season ends In November. Average annual water temperature on the coast in Bay Saint Louis is 71°F, by the seasons: in winter 57°F, in spring 70°F, in summer 84°F, in autumn 74°F. Minimum water temperature (50°F) in Bay Saint Louis it happens in January, maximum (87°F) in August.
You can find out detailed data on how the water temperature in Bay Saint Louis changes in each specific month:
Bay Saint Louis: general information and map
Neighboring cities and resorts
| City | Water* | Distance** |
| Waveland | 66°C  | 5km |
| Pass Christian | 67°C | 9km |
| Lakeshore | 68°C | 12km |
| Gulfport | 67°C | 27km |
| Mississippi City | 67°C | 29km |
| Biloxi | 67°C | 44km |
| Diberville | 68°C | 44km |
| Saint Martin | 68°C | 47km |
| Gulf Hills | 68°C | 49km |
| New Orleans | 67°C | 64km |
| Gautier | 68°C | 69km |
| Mandeville | 68°C | 71km |
** Straight line distance in kilometers
The warmest water today in United States recorded in Terra Mar, its value is 79°F. Lowest - in Nome, there water temperature now 27°F. Average water temperature in the country today - 55°F.
Water temperature data in Bay Saint Louis and neighboring towns and resorts collected from various sources, using buoys, using satellite maps of sea, river and lake surfaces of the NOAA agency.
We use data from various local authorities in each specific location of the world to more accurately reflect temperature values.
The nearest airport is located in a 27 kilometers. This is Gulfport Biloxi International (GPT) airport. We have no information as to whether it is valid and what flights it receives or sends.
Bay Saint Louis: weather forecast
The weather forecast is shown in local time in Bay Saint Louis
11km/hhumidity: 92%, clouds: 92%
13km/hhumidity: 96%, clouds: 100%
20km/hhumidity: 81%, clouds: 100%
21km/hhumidity: 75%, clouds: 100%
20km/hhumidity: 78%, clouds: 100%
19km/hhumidity: 90%, clouds: 100%
16km/hhumidity: 94%, clouds: 100%
18km/hhumidity: 95%, clouds: 100%
14km/hhumidity: 97%, clouds: 100%
10km/hhumidity: 97%, clouds: 100%
13km/hhumidity: 81%, clouds: 100%
15km/hhumidity: 75%, clouds: 100%
15km/hhumidity: 83%, clouds: 100%
13km/hhumidity: 88%, clouds: 100%
20km/hhumidity: 89%, clouds: 100%
6km/hhumidity: 95%, clouds: 100%
4km/hhumidity: 96%, clouds: 100%
2km/hhumidity: 95%, clouds: 100%
6km/hhumidity: 86%, clouds: 100%
12km/hhumidity: 72%, clouds: 100%
14km/hhumidity: 77%, clouds: 100%
14km/hhumidity: 90%, clouds: 100%
12km/hhumidity: 96%, clouds: 100%
14km/hhumidity: 93%, clouds: 98%
12km/hhumidity: 94%, clouds: 100%
1km/hhumidity: 96%, clouds: 99%
6km/hhumidity: 76%, clouds: 64%
12km/hhumidity: 67%, clouds: 55%
14km/hhumidity: 70%, clouds: 99%
12km/hhumidity: 87%, clouds: 100%
11km/hhumidity: 90%, clouds: 98%
9km/hhumidity: 95%, clouds: 98%
6km/hhumidity: 94%, clouds: 51%
6km/hhumidity: 93%, clouds: 76%
5km/hhumidity: 81%, clouds: 100%
7km/hhumidity: 80%, clouds: 100%
11km/hhumidity: 78%, clouds: 100%
7km/hhumidity: 90%, clouds: 100%
