Current Sea Water Temperature:
+74.6°F
| Maximum Sea Water Temperature in April: | 81.4°F |
| Minimum Sea Water Temperature in April: | 68.0°F |
| Average water temperature in April: | 75.8°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| April 12 | 74.6°F | April 07 | 79.8°F |
| April 11 | 74.0°F | April 06 | 80.4°F |
| April 10 | 74.2°F | April 05 | 78.8°F |
| April 09 | 76.2°F | April 04 | 79.4°F |
| April 08 | 79.2°F | April 03 | 78.8°F |
When is the Warmest Sea for Grand Isle?
According to our data for the last three years for Grand Isle the highest average sea water temperature was in August, July and June.
Average Water Temperature by Month, °F
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
15
30
45
60
75
90
105
120
67.8
73.8
81.1
88.5
92.2
91.1
88.7
83
75.8
70.4
63.9
63.1
Sea Water Temperature in August
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
83
86
89
92
95
98
101
The average sea surface temperature in August 2024 for Grand Isle was 93.7°F. The maximum and minimum values were 89.0°F and 96.2°F respectively.
Sea Water Temperature in July
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
85
88
91
94
97
100
The average sea surface temperature in July 2024 for Grand Isle was 91.9°F. The maximum and minimum values were 89.6°F and 94.0°F respectively.
Sea Water Temperature in June
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
81
84
87
90
93
96
99
The average sea surface temperature in June 2024 for Grand Isle was 89.4°F. The maximum and minimum values were 86.4°F and 92.6°F respectively.
USA Resorts:
NAME
F°
| Boston |  |
+36 |
| Chicago |  |
+56 |
| Hawaii | |
+78 |
| Honolulu | |
+78 |
| Houston |  |
+90 |
| Las Vegas | |
+86 |
| Los Angeles |  |
+72 |
| Miami | |
+88 |
| New York | |
+36 |
| Orlando | |
+84 |
| San Diego | |
+68 |
| San Francisco | |
+54 |
| Sarasota | |
+80 |
| Tampa | |
+82 |
| Washington | |
+52 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Grand Isle
Local time: 13:47
12 apr, saturday
| 1500 |  |
72°F | S 11 mph |
| 1800 | |
74°F | S 7 mph |
| 2100 |  |
70°F | E 9 mph |
13 apr, sunday
| 0000 | |
70°F | SE 9 mph |
| 0300 | |
70°F | SW 4 mph |
| 0600 | |
70°F | W 5 mph |
| 0900 | |
70°F | NW 6 mph |
| 1200 | |
72°F | NW 8 mph |