Catalog https://data.cci.ceda.ac.uk/thredds/catalog/esacci/sea_state/data/v1.1_release/l4/v1.1/1999/catalog.html

Dataset	Size	Last Modified
`1999`		`--`
`ESACCI-SEASTATE-L4-SWH-MULTI_1M-199912-fv01.nc`	`1.533 Mbytes`	`2019-10-04T12:58:52Z`
`ESACCI-SEASTATE-L4-SWH-MULTI_1M-199911-fv01.nc`	`1.527 Mbytes`	`2019-10-04T12:58:48Z`
`ESACCI-SEASTATE-L4-SWH-MULTI_1M-199910-fv01.nc`	`1.550 Mbytes`	`2019-10-04T12:58:40Z`
`ESACCI-SEASTATE-L4-SWH-MULTI_1M-199909-fv01.nc`	`1.551 Mbytes`	`2019-10-04T12:58:39Z`
`ESACCI-SEASTATE-L4-SWH-MULTI_1M-199908-fv01.nc`	`1.535 Mbytes`	`2019-10-04T12:58:37Z`
`ESACCI-SEASTATE-L4-SWH-MULTI_1M-199907-fv01.nc`	`1.537 Mbytes`	`2019-10-04T12:58:35Z`
`ESACCI-SEASTATE-L4-SWH-MULTI_1M-199906-fv01.nc`	`1.522 Mbytes`	`2019-10-04T12:58:34Z`
`ESACCI-SEASTATE-L4-SWH-MULTI_1M-199905-fv01.nc`	`1.545 Mbytes`	`2019-10-04T12:58:32Z`
`ESACCI-SEASTATE-L4-SWH-MULTI_1M-199904-fv01.nc`	`1.523 Mbytes`	`2019-10-04T12:58:30Z`
`ESACCI-SEASTATE-L4-SWH-MULTI_1M-199903-fv01.nc`	`1.581 Mbytes`	`2019-10-04T12:58:29Z`
`ESACCI-SEASTATE-L4-SWH-MULTI_1M-199902-fv01.nc`	`1.568 Mbytes`	`2019-10-04T12:58:27Z`
`ESACCI-SEASTATE-L4-SWH-MULTI_1M-199901-fv01.nc`	`1.549 Mbytes`	`2019-10-04T12:58:26Z`