Seasonal Forecasts
| Source | Date | Total TCs |
Tropical storms |
Typhoons | |
| TSR | Average (1950–2007) | – | 27 | 17 | |
| GCACIC | Average (1950–2000) | 31 | 27 | 17 | |
| GCACIC | April 18, 2008 | 33 | 30 | 19 | |
| TSR | May 6, 2008 | – | 28 | 18 | |
| GCACIC | June 24, 2008 | 33 | 30 | 19 | |
| TSR | July 6, 2008 | – | 28 | 18 | |
| TSR | August 5, 2008 | – | 28 | 18 | |
| JMA | Actual activity | 22 | 11 | ||
| JTWC | Actual activity | 27 | 27 | 12 |
Each season several national meteorological services and scientific agencies forecast either the expected amount tropical cyclones, tropical storms, and typhoons forming in a season and/or how many tropical cyclones will affect a country or territory.
Read more about this topic: 2008 Pacific Typhoon Season