☐REGISTRATION STATEMENT PURSUANT TO SECTION12(b)OR 12(g)OF THE SECURITIES EXCHANGE ACT OF 1934OR☒ANNUAL REPORT PURSUANT TO SECTION13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934For the fiscalyear endedDecember 31,2024OR☐TRANSITION REPORT PURSUANT TO SECTION13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934For the transition periodfromtoOR☐SHELL COMPANY REPORT PURSUANT TO SECTION13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934 KNOT OFFSHORE PARTNERS LP Largeacceleratedfiler☐Acceleratedfiler☒Non-accelerated filer☐Emerginggrowthcompany☐ If an emerging growth company that prepares its financial statements in accordance with U.S. GAAP, indicate by check mark if the registrant has elected not to use the extended transition periodfor complying with any new or revised financial accounting standards* provided pursuant to Section13(a)of the Exchange Act.☐ *The term “new or revised financial accounting standards” refers to any update issued by the Financial Accounting Standards Board to its Accounting Standards Codification after April5, 2012.Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report.☒ Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant’s executiveofficers during the relevant recovery period pursuant to § 240.10D-1(b).☐ KNOT Offshore PartnersLP INDEX TO REPORT ON FORM20-F Forward-Looking StatementsPartIItem1.Identity of Directors, Senior Management and AdvisersItem2.Offer Statistics and Expected TimetableItem3.Key InformationA.ReservedB.Capitalization and IndebtednessC.Reasons for the Offer and Use of ProceedsD.Risk FactorsItem4.Information on the Partnership41A.History and Development of the Partnership41B.Business Overview43C.Organizational Structure64D.Property, Plants and Equipment65Item4A.Unresolved Staff Comments65Item5.Operating and Financial Review and Prospects65A.Operating Results74B.Liquidity and Capital Resources77C.Research and Development, Patents and Licenses, Etc.85D.Trend Information85E.Critical Accounting Estimates85Item6.Directors, Senior Management and Employees89A.Directors and Senior Management89B.Compensation91C.Board Practices92D.Employees93E.Unit Ownership93F.Disclosure of a Registrant’s Action to Recover Erroneously Awarded Compensation93Item7.Major Unitholders and Related Party Transactions94A.Major Unitholders94B.Related Party Transactions96C.Interests of Experts and Counsel105Item8.Financial Information105A.Consolidated Statements and Other Financial Information105B.Significant Changes107Item9.The Offer and Listing107A.Offer and Listing Details107B.Plan of Distribution107C.Markets107D.Selling Shareholders107E.Dilution108F.Expenses of the Issue108Item10.Additional Information108A.Share Capital108B.Memorandum and Articles of Association108C.Material Contracts108D.Exchange Controls110E.Taxation110F.Dividends and Paying Agents117G.Statement by Experts117 H.Documents on Display118I.Subsidiary Information118J.Annual Report to Security Holders118Item11.Quantitative and Qualitative Disclosures About Market Risk118Item12.Description of Securities Other than Equity Securities119PartII120Item13.Defaults, Dividend Arrearages and Delinquencies120Item14.Material Modifications to the Rights of Securities Holders and Use of Proceeds120Item15.Controls and Procedures120Item16A.Audit Committee Financial Expert121Item16B.Code of Ethics121Item16C.Principal Accountant Fees and Services121Item16D.Exemptions from the Listing Standards for Audit Committees122Item16E.Purchases of Equity Securities by the Issuer and Affiliated Purchasers122Item16F.Change in Registrants’ Certifying Accountant122Item16G.Corporate Governance122Item16H.Mine Safety Disclosure123Item16I.Disclosure Regarding Foreign Jurisdictions that Prevent Inspections123Item16J.Insider trading policies123Item16K.Cybersecurity123PartIII126Item17.Financial Statements126Item18.Financial Statements126Item19.Exhibits127Signature130Index to Financial Statements of KNOT Offshore PartnersLPF-1 FORWARD-LOOKING STATEMENTS This Annual Report on Form20-F for theyear ended December 31, 2024 (this “Annual Report”) containscertain forward-looking statements concerning plans and objectives of management for future operations oreconomic performance, or assumptions related thereto, including our financial forecast. In addition, we and ourrepresentatives may from time to time make other oral or written statements that are also forward-lookingstatements. Such statements include, in particular, statements about our plans, strategies, business prospects,changes and trends in our business, and the markets in which we operate as described in this Annual