| 1981-11-24 01 | 1981-12-05 09 | Datawell non-directional buoy | WV67088 | - | 43 8.600' | 124 26.700' |
| 1982-01-08 09 | 1982-01-23 13 | Datawell non-directional buoy | WV67089 | - | 43 8.600' | 124 26.700' |
| 1982-03-02 09 | 1982-03-08 13 | Datawell non-directional buoy | WV67089 | - | 43 8.600' | 124 26.700' |
| 1982-03-09 09 | 1982-03-19 13 | Datawell non-directional buoy | W67537-9 | - | 43 8.600' | 124 26.700' |
| 1984-08-26 12 | 1984-09-16 21 | Datawell non-directional buoy | WV67528 | - | 43 6.700' | 124 31.400' |
| 1984-10-23 12 | 1985-11-20 09 | Datawell non-directional buoy | WV67528 | - | 43 6.600' | 124 31.500' |
| 1985-11-20 15 | 1986-10-17 09 | Datawell non-directional buoy | WV67530 | - | 43 6.600' | 124 31.500' |
| 1987-02-08 11 | 1987-06-09 01 | Datawell non-directional buoy | - | - | 43 6.600' | 124 31.500' |
| 1987-09-29 15 | 1987-11-07 05 | Datawell non-directional buoy | WV67526 | - | 43 6.600' | 124 31.500' |
| 1988-01-27 09 | 1988-03-13 13 | Datawell non-directional buoy | WV675269 | - | 43 6.600' | 124 31.500' |
| 1988-06-25 17 | 1990-09-14 09 | Datawell non-directional buoy | WV68475 | - | 43 6.100' | 124 30.000' |
| 1990-09-14 09 | 1992-12-09 01 | Datawell non-directional buoy | WV675369 | - | 43 6.400' | 124 30.400' |
| 1992-12-09 01 | 1993-10-02 03 | Datawell non-directional buoy | WV684769 | - | 43 6.800' | 124 30.800' |
| 1994-03-11 17 | 1994-10-13 18 | Datawell non-directional buoy | WV68399 | - | 43 6.800' | 124 30.800' |
| 1995-01-05 17 | 1995-02-18 09 | Datawell non-directional buoy | - | - | 43 6.800' | 124 30.800' |
| 1995-04-25 14 | 1996-04-18 15 | Datawell non-directional buoy | WV68399 | - | 43 6.800' | 124 30.800' |
| 1996-04-19 07 | 1996-11-30 13 | Datawell non-directional buoy | WV67526 | - | 43 6.800' | 124 30.800' |
