Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  MARTIN WILLIAM C
2. Date of Event Requiring Statement (Month/Day/Year)
11/15/2018
3. Issuer Name and Ticker or Trading Symbol
TIDEWATER INC [TDW]
(Last)
(First)
(Middle)
C/O RAGING CAPITAL MANAGEMENT, LLC, TEN PRINCETON AVENUE, PO BOX 228
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

ROCKY HILL, NJ 08553-0228
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
MARTIN WILLIAM C
C/O RAGING CAPITAL MANAGEMENT, LLC
TEN PRINCETON AVENUE, PO BOX 228
ROCKY HILL, NJ 08553-0228
  X      
Raging Capital Management, LLC
TEN PRINCETON AVENUE
PO BOX 228
ROCKY HILL, NJ 08553-0228
  X      

Signatures

By: /s/ Frederick C. Wasch as attorney-in-fact for William C. Martin 11/19/2018
**Signature of Reporting Person Date

By: Raging Capital Management, LLC, By: /s/ Frederick C. Wasch, Chief Financial Officer 11/19/2018
**Signature of Reporting Person Date

Explanation of Responses:

No securities are beneficially owned

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
 
Remarks:
This Form 3 is filed jointly by Raging Capital Management, LLC ("Raging Capital") and William C. Martin (collectively, the "Reporting Persons"). 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 "Merger"), 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.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

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