<SEC-DOCUMENT>0000921895-18-003116.txt : 20181119
<SEC-HEADER>0000921895-18-003116.hdr.sgml : 20181119
<ACCEPTANCE-DATETIME>20181119192538
ACCESSION NUMBER:		0000921895-18-003116
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20181115
FILED AS OF DATE:		20181119
DATE AS OF CHANGE:		20181119

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MARTIN WILLIAM C
		CENTRAL INDEX KEY:			0001205885

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06311
		FILM NUMBER:		181193905

	MAIL ADDRESS:	
		STREET 1:		C/O RAGING CAPITAL MANAGEMENT, LLC
		STREET 2:		TEN PRINCETON AVENUE, PO BOX 228
		CITY:			ROCKY HILL
		STATE:			NJ
		ZIP:			08553

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Raging Capital Management, LLC
		CENTRAL INDEX KEY:			0001444376
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06311
		FILM NUMBER:		181193906

	BUSINESS ADDRESS:	
		STREET 1:		TEN PRINCETON AVENUE
		STREET 2:		PO BOX 228
		CITY:			ROCKY HILL
		STATE:			NJ
		ZIP:			08553-0228
		BUSINESS PHONE:		6099100954

	MAIL ADDRESS:	
		STREET 1:		TEN PRINCETON AVENUE
		STREET 2:		PO BOX 228
		CITY:			ROCKY HILL
		STATE:			NJ
		ZIP:			08553-0228

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TIDEWATER INC
		CENTRAL INDEX KEY:			0000098222
		STANDARD INDUSTRIAL CLASSIFICATION:	WATER TRANSPORTATION [4400]
		IRS NUMBER:				720487776
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		6002 ROGERDALE ROAD
		STREET 2:		SUITE 600
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77072
		BUSINESS PHONE:		7134705300

	MAIL ADDRESS:	
		STREET 1:		6002 ROGERDALE ROAD
		STREET 2:		SUITE 600
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77072

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TIDEWATER MARINE SERVICE INC
		DATE OF NAME CHANGE:	19780724
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>form307738094_11192018f.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2018-11-15</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000098222</issuerCik>
        <issuerName>TIDEWATER INC</issuerName>
        <issuerTradingSymbol>TDW</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001205885</rptOwnerCik>
            <rptOwnerName>MARTIN WILLIAM C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O RAGING CAPITAL MANAGEMENT, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>TEN PRINCETON AVENUE, PO BOX 228</rptOwnerStreet2>
            <rptOwnerCity>ROCKY HILL</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>08553-0228</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001444376</rptOwnerCik>
            <rptOwnerName>Raging Capital Management, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>TEN PRINCETON AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>PO BOX 228</rptOwnerStreet2>
            <rptOwnerCity>ROCKY HILL</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>08553-0228</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <remarks>This Form 3 is filed jointly by Raging Capital Management, LLC (&quot;Raging Capital&quot;) and William C. Martin (collectively, the &quot;Reporting Persons&quot;). Pursuant to the closing of the transactions contemplated by the Agreement and Plan of Merger between GulfMark Offshore, Inc. and the Issuer, dated July 15, 2018 (the &quot;Merger&quot;), Kenneth H. Traub, a Managing Partner at Raging Capital, became a director of the Issuer. Accordingly, each of the Reporting Persons may be deemed to be a director by deputization of the Issuer. This Form 3 discloses the beneficial ownership of the Reporting Persons at the effective time of the Merger and does not include any securities acquired by them in connection with the closing of the Merger. The Reporting Persons will file a Form 4 disclosing their acquisitions of the Issuer's securities in connection with the closing of the Merger.</remarks>

    <ownerSignature>
        <signatureName>By: /s/ Frederick C. Wasch as attorney-in-fact for William C. Martin</signatureName>
        <signatureDate>2018-11-19</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>By: Raging Capital Management, LLC, By: /s/ Frederick C. Wasch, Chief Financial Officer</signatureName>
        <signatureDate>2018-11-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
