-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Lx6dLd6Uq6MfxYy8sod8xNvfNUeFcsvANRMHjJYpDLAPaty3AXHd5p0wX3hqyMic
 FvCDb4JgjkA9TngiMyuExw==

<SEC-DOCUMENT>0001200086-03-000001.txt : 20030613
<SEC-HEADER>0001200086-03-000001.hdr.sgml : 20030613
<ACCEPTANCE-DATETIME>20030613123213
ACCESSION NUMBER:		0001200086-03-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030611
FILED AS OF DATE:		20030613

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GAMACHE BRIAN R
		CENTRAL INDEX KEY:			0001200086

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08300
		FILM NUMBER:		03743256

	BUSINESS ADDRESS:	
		STREET 1:		C/O WMS GAMING
		STREET 2:		800 SOUTH NORTHPOINT BLVD
		CITY:			WAUKEGAN
		STATE:			IL
		ZIP:			60085
		BUSINESS PHONE:		8477853750

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WMS INDUSTRIES INC /DE/
		CENTRAL INDEX KEY:			0000350077
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS MANUFACTURING INDUSTRIES [3990]
		IRS NUMBER:				362814522
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		800 S. NORTHPOINT BLVD.
		CITY:			WAUKEGAN
		STATE:			IL
		ZIP:			60085
		BUSINESS PHONE:		847-785-3000

	MAIL ADDRESS:	
		STREET 1:		800 S. NORTHPOINT BLVD.
		CITY:			WAUKEGAN
		STATE:			IL
		ZIP:			60085

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	WILLIAMS ELECTRONICS INC
		DATE OF NAME CHANGE:	19870519
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>

<ownershipDocument>

    <documentType>4</documentType>

    <periodOfReport>2003-06-11</periodOfReport>


    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000350077</issuerCik>
        <issuerName>WMS INDUSTRIES INC /DE/</issuerName>
        <issuerTradingSymbol>WMS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001200086</rptOwnerCik>
            <rptOwnerName>GAMACHE BRIAN R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President &amp; CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeSecurity>
        <securityTitle>
            <value>Common Stock $.50 par value</value>
        </securityTitle>
        <transactionDate>
            <value>2003-06-11</value>
        </transactionDate>
        <transactionCoding>
            <transactionFormType>4</transactionFormType>
            <transactionCode>A</transactionCode>
            <equitySwapInvolved>0</equitySwapInvolved>
        </transactionCoding>
        <transactionTimeliness>
            <value></value>
        </transactionTimeliness>
        <transactionAmounts>
            <transactionShares>
                <value>7478</value>
                <footnoteId id="F1"/>
            </transactionShares>
            <transactionValue>
                <value>0</value>
            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>A</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>12478</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
    </nonDerivativeSecurity>

    <footnotes>
        <footnote id="F1">Restricted Stock: requires one year holding period.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Brian R. Gamache</signatureName>
        <signatureDate>2003-06-13</signatureDate>
    </ownerSignature>

</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----