World Resorts USA Seaside Weather

Seaside Sea Temperature in August

Average sea water temperature in August:
+57.4°F
Minimum sea water temperature in August: 62.2°F
Maximum sea water temperature in August: 51.4°F

Daily sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 57.3°F. The highest and lowest sea temperatures during the month were 60.1°F and 55.0°F.

Monthly sea water temperature in Seaside, °F

Which USA resorts have warmest sea in August?

Place name August 2025 August 2024
Sanibel Island 88.8°F 87.3°F
Everglades 88.8°F 87.0°F
Islamorada 88.8°F 87.3°F
Key West 88.8°F 87.8°F
Key Largo 88.7°F 87.3°F
Marco Island 88.7°F 87.1°F
Naples 88.7°F 87.0°F
St. Petersburg 88.7°F 86.9°F
Tampa 88.6°F 86.4°F
Sarasota 88.6°F 87.2°F
Siesta Key 88.6°F 87.3°F
Clearwater Beach 88.5°F 87.0°F
Miami 88.1°F 86.4°F
Miami Beach 87.9°F 86.5°F
Galveston 87.9°F 88.3°F
Galveston Island 87.8°F 88.5°F
Houston 87.8°F 88.0°F
New Orleans 87.4°F 88.1°F
Fort Lauderdale 87.2°F 85.8°F
Corpus Christi 87.0°F 87.9°F

Best time for vacation in Seaside

Sunniest months:
August 13 days
September 12 days
July 11 days
Warmest months:
August 64.9 °F
July 63.1 °F
September 62.8 °F
Warmest sea temp:
August 57.4 °F
July 55.9 °F
September 55.7 °F
Coldest months:
February 45.5 °F
January 46.7 °F
March 47.3 °F
Rainiest months:
January 9 days
November 6 days
December 5 days
Windiest months:
December 10.1 mph
January 9.6 mph
February 9.4 mph

Seaside on a weather map

Seaside
+52°F
W 7 mph
Feels like: +46°F
Precip.: 100%
Places in USA:
Name
°F
+25°F
+72°F
+72°F
+45°F
+59°F
+50°F
+61°F
+66°F
+21°F
+61°F
+55°F
+61°F
+59°F
+64°F
+19°F
24 Hours Forecast
Seaside
Local time: 04:12
January 03, saturday
0600
48°F
NW
6 mph
0900
48°F
W
9 mph
1200
52°F
N
20 mph
1500
52°F
N
11 mph
1800
50°F
W
7 mph
2100
50°F
W
9 mph
January 04, sunday
0000
50°F
NW
9 mph
0300
48°F
N
22 mph
Units of measurement: °C / °F