{"cik":"0002050501","entityType":"operating","sic":"6770","sicDescription":"Blank Checks","ownerOrg":"05 Real Estate & Construction","insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":1,"name":"Blue Water Acquisition Corp. III","tickers":["BLUW","BLUWU","BLUWW"],"exchanges":["Nasdaq","Nasdaq","Nasdaq"],"ein":"000000000","lei":null,"description":"","website":"","investorWebsite":"","category":"Non-accelerated filer<br>Smaller reporting company<br>Emerging growth company","fiscalYearEnd":"1231","stateOfIncorporation":"","stateOfIncorporationDescription":"","addresses":{"mailing":{"street1":"15 E. PUTNUM AVENUE","street2":"SUITE 363","city":"GREENWICH","stateOrCountry":"CT","zipCode":"06830","stateOrCountryDescription":"CT","isForeignLocation":0,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"15 E. PUTNUM AVENUE","street2":"SUITE 363","city":"GREENWICH","stateOrCountry":"CT","zipCode":"06830","stateOrCountryDescription":"CT","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"646-303-0737","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0001104659-26-062520","0001104659-26-043320","0001104659-26-037683","0001271848-26-000002","0001193125-26-053599","0000312069-26-000075","0001104659-26-006779","0001104659-26-005847","0001104659-25-125616","0002015663-25-000004","0001193125-25-311473","0001164468-25-000002","0002015798-25-000003","0002084871-25-000001","0001271848-25-000004","0002074510-25-000001","0001104659-25-117787","0001493152-25-025414","0001493152-25-025413","0001493152-25-025409","0001104659-25-116938","0001493152-25-023451","0000312069-25-000601","0001167557-25-000022","0001641172-25-024010","0001085146-25-004866","0001104659-25-075481","0001641172-25-021227","0001641172-25-015454","0001641172-25-015426","0001641172-25-014923","0001641172-25-014921","0001641172-25-014866","0001641172-25-014857","0001641172-25-014782","0001641172-25-014598","0001354457-25-000516","9999999995-25-001870","0001641172-25-014414","0001641172-25-014409","0001641172-25-014410","0001641172-25-014408","0001641172-25-014412","0001641172-25-014407","0001641172-25-014411","0001641172-25-014317","0001641172-25-013946","0001641172-25-013945","0001641172-25-013836","0001641172-25-013833","0000000000-25-005943","0001641172-25-012302","0001641172-25-001410","0001641172-25-001412","0000000000-25-002819","0001493152-25-007630"],"filingDate":["2026-05-15","2026-04-14","2026-03-31","2026-02-17","2026-02-17","2026-02-13","2026-01-27","2026-01-22","2025-12-31","2025-12-09","2025-12-08","2025-12-05","2025-12-05","2025-12-05","2025-12-04","2025-12-04","2025-12-02","2025-11-28","2025-11-28","2025-11-28","2025-11-28","2025-11-14","2025-11-12","2025-11-12","2025-08-14","2025-08-12","2025-08-08","2025-07-29","2025-06-17","2025-06-17","2025-06-12","2025-06-12","2025-06-12","2025-06-12","2025-06-12","2025-06-11","2025-06-10","2025-06-09","2025-06-09","2025-06-09","2025-06-09","2025-06-09","2025-06-09","2025-06-09","2025-06-09","2025-06-09","2025-06-06","2025-06-06","2025-06-05","2025-06-05","2025-06-05","2025-05-23","2025-03-31","2025-03-28","2025-03-14","2025-02-20"],"reportDate":["2026-03-31","2025-12-31","2025-12-31","2026-01-26","","","2026-01-26","2026-01-21","2025-12-26","2025-11-25","","2025-11-25","2025-11-25","2025-11-25","2025-11-25","2025-11-25","","2025-11-25","2025-11-25","","2025-11-25","2025-09-30","","","2025-06-30","","","2025-07-28","2025-06-11","","2025-06-11","2025-06-09","2025-06-09","2025-06-11","2025-06-09","","","","","2025-06-09","2025-06-09","2025-06-09","2025-06-09","2025-06-09","2025-06-09","","","","","","","","","","",""],"acceptanceDateTime":["2026-05-15T20:07:38.000Z","2026-04-14T21:22:23.000Z","2026-03-31T20:00:59.000Z","2026-02-17T23:14:36.000Z","2026-02-17T16:04:07.000Z","2026-02-13T22:41:20.000Z","2026-01-27T11:06:01.000Z","2026-01-22T21:50:11.000Z","2025-12-31T21:15:46.000Z","2025-12-09T23:45:38.000Z","2025-12-08T22:40:39.000Z","2025-12-05T23:07:39.000Z","2025-12-05T22:55:03.000Z","2025-12-05T22:39:53.000Z","2025-12-05T00:06:45.000Z","2025-12-04T23:43:14.000Z","2025-12-02T22:19:31.000Z","2025-11-28T22:05:04.000Z","2025-11-28T22:05:03.000Z","2025-11-28T22:00:20.000Z","2025-11-28T20:52:07.000Z","2025-11-14T21:06:30.000Z","2025-11-12T21:29:35.000Z","2025-11-12T18:46:00.000Z","2025-08-14T20:07:21.000Z","2025-08-12T15:14:56.000Z","2025-08-08T12:25:41.000Z","2025-07-29T10:03:07.000Z","2025-06-17T21:05:37.000Z","2025-06-17T20:30:26.000Z","2025-06-12T22:14:30.000Z","2025-06-12T22:08:06.000Z","2025-06-12T20:32:13.000Z","2025-06-12T20:27:44.000Z","2025-06-12T10:04:42.000Z","2025-06-10T23:55:15.000Z","2025-06-10T12:55:24.000Z","2025-06-10T04:15:10.000Z","2025-06-10T01:57:29.000Z","2025-06-10T01:30:00.000Z","2025-06-10T01:29:57.000Z","2025-06-10T01:29:55.000Z","2025-06-10T01:29:53.000Z","2025-06-10T01:29:53.000Z","2025-06-10T01:29:51.000Z","2025-06-09T20:30:04.000Z","2025-06-06T13:58:01.000Z","2025-06-06T13:56:29.000Z","2025-06-05T20:41:45.000Z","2025-06-05T20:39:55.000Z","2025-06-05T16:36:12.000Z","2025-05-23T20:55:03.000Z","2025-03-31T10:24:39.000Z","2025-03-29T01:44:11.000Z","2025-03-14T17:36:05.000Z","2025-02-20T11:09:37.000Z"],"act":["34","34","34","","34","34","34","34","34","","34","","","","","","34","","","34","34","34","34","34","34","34","34","34","34","34","","","","","34","33","34","33","33","","","","","","","34","","","","33","","33","33","","","33"],"form":["10-Q","10-K","NT 10-K","4","SCHEDULE 13G","SCHEDULE 13G/A","8-K","8-K","8-K","3","SCHEDULE 13G","3","3","3","3","3","SCHEDULE 13D","4","4","SCHEDULE 13G/A","8-K","10-Q","SCHEDULE 13G","SCHEDULE 13G/A","10-Q","SCHEDULE 13G","SCHEDULE 13G","8-K","8-K","SCHEDULE 13G","4","3","3/A","4","8-K","424B4","CERT","EFFECT","S-1MEF","3","3","3","3","3","3","8-A12B","CORRESP","CORRESP","CORRESP","S-1/A","UPLOAD","S-1/A","S-1/A","CORRESP","UPLOAD","S-1"],"fileNumber":["001-42692","001-42692","001-42692","","005-95077","005-95077","001-42692","001-42692","001-42692","","005-95077","","","","","","005-95077","","","005-95077","001-42692","001-42692","005-95077","005-95077","001-42692","005-95077","005-95077","001-42692","001-42692","005-95077","","","","","001-42692","333-285075","001-42692","333-285075","333-287890","","","","","","","001-42692","","","","333-285075","333-285075","333-285075","333-285075","","333-285075","333-285075"],"filmNumber":["26987232","26861758","26821492","","26638125","26634927","26561981","26552320","251617638","","251557095","","","","","","251544172","","","251536385","251535613","251485920","251473333","251471465","251218902","251205121","251196297","251157395","251054194","251053739","","","","","251041596","251038555","251036022","251035858","251035847","","","","","","","251034496","","","","251027698","","25983181","25788695","","","25643140"],"items":["","","","","","","1.01,2.03,3.02,9.01","1.01,9.01","5.02","","","","","","","","","","","","1.01,1.02,5.01,5.02,9.01","","","","","","","8.01,9.01","8.01,9.01","","","","","","1.01,3.02,5.02,5.03,8.01,9.01","","",",,","","","","","","","","","","","","","","","","","",""],"core_type":["XBRL","XBRL","NT 10-K","4","SCHEDULE 13G","SCHEDULE 13G/A","XBRL","XBRL","XBRL","3","SCHEDULE 13G","3","3","3","3","3","SCHEDULE 13D","4","4","SCHEDULE 13G/A","XBRL","XBRL","SCHEDULE 13G","SCHEDULE 13G/A","XBRL","SCHEDULE 13G","SCHEDULE 13G","XBRL","XBRL","SCHEDULE 13G","4","3","3/A","4","XBRL","424B4","CERT","EFFECT","S-1MEF","3","3","3","3","3","3","8-A12B","CORRESP","CORRESP","CORRESP","S-1/A","LETTER","S-1/A","S-1/A","CORRESP","LETTER","S-1"],"size":[4951729,6483823,25330,10110,32992,6138,287254,387802,268651,2881,34292,2957,2890,2927,10940,2933,79276,11544,10885,16753,618179,4049388,6070,10277,3734093,10181,27707,281443,444865,22249,7870,4629,5092,8238,2213584,2676658,124661,1715,350917,2978,4172,2975,2969,2942,2981,19545,13746,17546,21916,148146,42697,3454121,4631101,38842,52597,19394660],"isXBRL":[1,1,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,1,0,0,1,1,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isInlineXBRL":[1,1,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,1,0,0,1,1,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isXBRLNumeric":[1,1,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null],"primaryDocument":["bluw-20260331x10q.htm","bluw-20251231x10k.htm","tm2610612d1_nt10k.htm","xslF345X05/primary_doc.xml","xslSCHEDULE_13G_X01/primary_doc.xml","xslSCHEDULE_13G_X01/primary_doc.xml","tm264133d1_8k.htm","tm263863d1_8k.htm","tm2534560d1_8k.htm","xslF345X02/primary_doc.xml","xslSCHEDULE_13G_X01/primary_doc.xml","xslF345X02/primary_doc.xml","xslF345X02/primary_doc.xml","xslF345X02/primary_doc.xml","xslF345X02/primary_doc.xml","xslF345X02/primary_doc.xml","xslSCHEDULE_13D_X01/primary_doc.xml","xslF345X05/ownership.xml","xslF345X05/ownership.xml","xslSCHEDULE_13G_X01/primary_doc.xml","tm2532368d1_8k.htm","form10-q.htm","xslSCHEDULE_13G_X01/primary_doc.xml","xslSCHEDULE_13G_X01/primary_doc.xml","form10-q.htm","xslSCHEDULE_13G_X01/primary_doc.xml","xslSCHEDULE_13G_X01/primary_doc.xml","form8-k.htm","form8-k.htm","xslSCHEDULE_13G_X01/primary_doc.xml","xslF345X05/ownership.xml","xslF345X02/ownership.xml","xslF345X02/ownership.xml","xslF345X05/ownership.xml","form8-k.htm","form424b4.htm","8A_Cert_BLUW.pdf","xslEFFECTX01/primary_doc.xml","forms-1mef.htm","xslF345X02/ownership.xml","xslF345X02/ownership.xml","xslF345X02/ownership.xml","xslF345X02/ownership.xml","xslF345X02/ownership.xml","xslF345X02/ownership.xml","form8-a12b.htm","filename1.htm","filename1.htm","filename1.htm","forms-1a.htm","filename1.pdf","forms-1a.htm","forms-1a.htm","filename1.htm","filename1.pdf","forms-1.htm"],"primaryDocDescription":["10-Q","10-K","NT 10-K","PRIMARY DOCUMENT","","","FORM 8-K","FORM 8-K","FORM 8-K","PRIMARY DOCUMENT","","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","","4","","","FORM 8-K","10-Q","","","10-Q","","","8-K","8-K","","4","3","3/A","4","8-K","424B4","","","S-1MEF","","","","","","","8-A12B","","","","","","S-1/A","","","",""]},"files":[]}}