| 1981-11-24 00 | 1981-12-05 08 | Datawell non-directional buoy | WV67088 | - | 43 8.600' | 124 26.700' |
| 1982-01-08 08 | 1982-01-23 12 | Datawell non-directional buoy | WV67089 | - | 43 8.600' | 124 26.700' |
| 1982-03-02 08 | 1982-03-08 12 | Datawell non-directional buoy | WV67089 | - | 43 8.600' | 124 26.700' |
| 1982-03-09 08 | 1982-03-19 12 | Datawell non-directional buoy | W67537-9 | - | 43 8.600' | 124 26.700' |
| 1984-08-26 11 | 1984-09-16 20 | Datawell non-directional buoy | WV67528 | - | 43 6.700' | 124 31.400' |
| 1984-10-23 11 | 1985-11-20 08 | Datawell non-directional buoy | WV67528 | - | 43 6.600' | 124 31.500' |
| 1985-11-20 14 | 1986-10-17 08 | Datawell non-directional buoy | WV67530 | - | 43 6.600' | 124 31.500' |
| 1987-02-08 10 | 1987-06-09 00 | Datawell non-directional buoy | - | - | 43 6.600' | 124 31.500' |
| 1987-09-29 14 | 1987-11-07 04 | Datawell non-directional buoy | WV67526 | - | 43 6.600' | 124 31.500' |
| 1988-01-27 08 | 1988-03-13 12 | Datawell non-directional buoy | WV675269 | - | 43 6.600' | 124 31.500' |
| 1988-06-25 16 | 1990-09-14 08 | Datawell non-directional buoy | WV68475 | - | 43 6.100' | 124 30.000' |
| 1990-09-14 08 | 1992-12-09 00 | Datawell non-directional buoy | WV675369 | - | 43 6.400' | 124 30.400' |
| 1992-12-09 00 | 1993-10-02 02 | Datawell non-directional buoy | WV684769 | - | 43 6.800' | 124 30.800' |
| 1994-03-11 16 | 1994-10-13 17 | Datawell non-directional buoy | WV68399 | - | 43 6.800' | 124 30.800' |
| 1995-01-05 16 | 1995-02-18 08 | Datawell non-directional buoy | - | - | 43 6.800' | 124 30.800' |
| 1995-04-25 13 | 1996-04-18 14 | Datawell non-directional buoy | WV68399 | - | 43 6.800' | 124 30.800' |
| 1996-04-19 06 | 1996-11-30 12 | Datawell non-directional buoy | WV67526 | - | 43 6.800' | 124 30.800' |
