    <SEC-DOCUMENT>0001564590-19-003244-index.html : 20190219
    <SEC-HEADER>0001564590-19-003244.hdr.sgml : 20190219
    <ACCEPTANCE-DATETIME>20190219135358
    ACCESSION NUMBER:		0001564590-19-003244
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		20
    CONFORMED PERIOD OF REPORT:	20190212
    ITEM INFORMATION:		Other Events
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20190219
    DATE AS OF CHANGE:		20190219

    FILER:

    	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

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-06311
    		FILM NUMBER:		19614462

    	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>8-K
    <SEQUENCE>1
    <FILENAME>tdw-8k_20190212.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: tdw-8k_20190212.htm

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    <DESCRIPTION>EX-99.1
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    Document 2 - file: tdw-ex991_7.htm

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    <SEQUENCE>3
    <FILENAME>tdw-ex992_8.htm
    <DESCRIPTION>EX-99.2
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    Document 3 - file: tdw-ex992_8.htm

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    Document 4 - file: g1bhnltxscon000011.jpg

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    Document 5 - file: g1bhnltxscon000004.jpg

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    Document 6 - file: g1bhnltxscon000008.jpg

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    Document 7 - file: g1bhnltxscon000010.jpg

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    Document 9 - file: g1bhnltxscon000013.jpg

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    Document 10 - file: g1bhnltxscon000009.jpg

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    Document 11 - file: g1bhnltxscon000014.jpg

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    Document 12 - file: g1bhnltxscon000007.jpg

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    Document 13 - file: g1bhnltxscon000012.jpg

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    Document 14 - file: g1bhnltxscon000017.jpg

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    Document 15 - file: g1bhnltxscon000003.jpg

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    Document 16 - file: g1bhnltxscon000006.jpg

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    Document 17 - file: g1bhnltxscon000015.jpg

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    Document 18 - file: g1bhnltxscon000001.jpg

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    Document 19 - file: g1bhnltxscon000016.jpg

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    Document 20 - file: g1bhnltxscon000002.jpg

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