CSU released its first seasonal forecast for 2025 on Thursday, April 3. We anticipate that the 2025 Atlantic basin hurricane season will have above-normal activity.
Current La Niña conditions are likely to transition to ENSO neutral conditions in the next couple of months; however, there remains considerable uncertainty as to what the phase of ENSO will be this summer and fall. Sea surface temperatures across the eastern and central Atlantic are generally warmer than normal, but not as warm as they were last year at this time. A warmer-than-normal tropical Atlantic combined with likely ENSO neutral (or potential La Niña) conditions typically provides a more conducive dynamic and thermodynamic environment for hurricane formation and intensification. We anticipate an above-average probability for major hurricanes making landfall along the continental United States coastline and in the Caribbean. As with all hurricane seasons, coastal residents are reminded that it only takes one hurricane making landfall to make it an active season. Thorough preparations should be made every season, regardless of predicted activity
| Forecast Parameter and 1991-2020 Average (in parentheses) | Issue Date 6th August, 2025 |
| Named Storms (NS) (14.4) | 16 |
| Hurricanes (H) (7.2) | 8 |
| Major Hurricanes (MH) (3.2) | 3 |
By: CSU University Communications Staff
STORM NAME | DATES ACTIVE | STAGE |
Andrea | June 23 - 24 | TS |
Barry | June 28 - 30 | TS |
Chantal | July 4 - 7 | TS |
Dexter | August 3 - 6 | TS |
Erin | August 11 - 22 | MH |
Fernand | August 23 - 27 | TS |
Gabrielle | September 17 - 25 | MH |
Humberto | September 24 - October 1 | MH |
Imelda | September 28 - October 2 | H |
Jerry | October 7 - 11 | TS |
Karen | October 9 - 10 | STS |
Lorenzo | October 13 - 15 | TS |
Melissa | Ocotber 21 - 31 | MH |
Nestor | - | - |
Olga | - | - |
Pablo | - | - |
Rebekah | - | - |
Sebastien | - | - |
Tanya | - | - |
Van | - | - |
Wendy | - | - |
The 2025 Atlantic hurricane season was an above-normal season based on NOAA’s definition, with a near-average number of named storms, a below-average number of hurricanes and an above-average number of major hurricanes. The seasonal forecasts for ACE verified well, while some other parameters were over- or under-forecast given the unusual distribution of storms this year. The season’s most significant hurricane was Hurricane Melissa, which made landfall as a Category 5 hurricane in Jamaica. The warm Atlantic combined with cool neutral ENSO/weak La Niña led to somewhat hurricanefavorable conditions in 2025, although with a marked peak season lull in activity.