LIMITED POWER OF ATTORNEY

Know all by these presents, that the undersigned, as an officer or director of
WEST MARINE, INC. (the "Company"), hereby constitutes and appoints each of Pam
Fields, Peter Harris and Linda Kennedy, and each of them signing singly, the
undersigned's true and lawful attorney-in-fact and agent to:

        (1)     execute for and on behalf of the undersigned, in the
        undersigned's capacity as an officer and/or director of West Marine,
        Forms 3, 4, and 5 in accordance with Section 16(a) of the Securities
        Exchange Act of 1934 (the "Exchange Act") and the rules thereunder;

        (2)     do and perform any and all acts for and on behalf of the
        undersigned which may be necessary or desirable to complete and execute
        any such Forms 3, 4, or 5, complete and execute any amendment or
        amendments thereto, and timely file such forms with the United States
        Securities and Exchange Commission (the "SEC") and any stock exchange or
        similar authority; and

        (3)     take any other action of any type whatsoever in connection with
        the foregoing which, in the opinion of such attorney-in-fact, may be
        necessary, desirable or legally required in connection with the
        foregoing authority, it being understood that the documents executed by
        such attorney-in-fact on behalf of the undersigned pursuant to this
        Limited Power of Attorney shall be in such form and shall contain such
        terms and conditions as such attorney-in-fact may approve in such
        attorney-in-fact's discretion.

The undersigned hereby grants to each such attorney-in-fact full power and
authority to do and perform any and every act and thing whatsoever requisite,
necessary, or proper to be done in the exercise of any of the rights and powers
herein granted, as fully to all intents and purposes as the undersigned might or
could do if personally present, with full power of substitution or revocation,
hereby ratifying and confirming all that such attorney-in-fact, or such
attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be
done by virtue of this power of attorney and the rights and powers herein
granted. The undersigned acknowledges that the foregoing attorneys-in-fact, in
serving in such capacity at the request of the undersigned, are not assuming,
nor is the Company assuming, any of the undersigned's responsibilities to comply
with Section 16 of the Exchange Act.

This Limited Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4, and 5 with respect to the
undersigned's holdings of and transactions in securities of the Company, unless
earlier revoked by the undersigned in a signed writing delivered to the
foregoing attorneys-in-fact. This Power of Attorney may be filed with the SEC as
a confirming statement of the authority granted herein.

         IN WITNESS WHEREOF, the undersigned has caused this Limited Power of
Attorney to be executed as of this 9th day of May, 2007.

                                        Signature  /s/ Daniel J. Sweeney
                                                   -----------------------------

                                        Print Name Daniel J. Sweeney
                                                   -----------------------------
WITNESS:

Signature  /s/ Linda Kennedy
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Print Name Linda Kennedy
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           /s/ Amanda Hill
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           Amanda Hill
           -----------------------------