TIDEWATER INC — Director's Dealing 2007

May 4, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TIDEWATER INC (TDW)
CIK: 0000098222
Period of Report: 2007-05-01

Reporting Person: OMALLEY WILLIAM C (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-05-02	Common Stock	S	6400	$63.5	Disposed	122336	Direct
2007-05-02	Common Stock	S	1700	$63.51	Disposed	120636	Direct
2007-05-02	Common Stock	S	1500	$63.52	Disposed	119136	Direct
2007-05-02	Common Stock	S	800	$63.53	Disposed	118336	Direct
2007-05-02	Common Stock	S	1800	$63.54	Disposed	116536	Direct
2007-05-02	Common Stock	S	3400	$63.55	Disposed	113136	Direct
2007-05-02	Common Stock	S	1000	$63.56	Disposed	112136	Direct
2007-05-02	Common Stock	S	2700	$63.57	Disposed	109436	Direct
2007-05-02	Common Stock	S	1500	$63.575	Disposed	107936	Direct
2007-05-02	Common Stock	S	300	$63.5775	Disposed	107636	Direct
2007-05-02	Common Stock	S	1600	$63.58	Disposed	106036	Direct
2007-05-02	Common Stock	S	200	$63.59	Disposed	105836	Direct
2007-05-02	Common Stock	S	9469	$63.6	Disposed	96367	Direct
2007-05-02	Common Stock	S	2231	$63.61	Disposed	94136	Direct
2007-05-02	Common Stock	S	2100	$63.62	Disposed	92036	Direct
2007-05-02	Common Stock	S	1400	$63.63	Disposed	90636	Direct
2007-05-02	Common Stock	S	1200	$63.64	Disposed	89436	Direct
2007-05-02	Common Stock	S	2400	$63.65	Disposed	87036	Direct
2007-05-02	Common Stock	S	1200	$63.66	Disposed	85836	Direct
2007-05-02	Common Stock	S	300	$63.67	Disposed	85536	Direct
2007-05-02	Common Stock	S	2196	$63.68	Disposed	83340	Direct
2007-05-02	Common Stock	S	1604	$63.69	Disposed	81736	Direct
2007-05-02	Common Stock	S	200	$63.71	Disposed	81536	Direct
2007-05-02	Common Stock	S	200	$63.72	Disposed	81336	Direct
2007-05-02	Common Stock	S	1100	$63.73	Disposed	80236	Direct
2007-05-02	Common Stock	S	1500	$63.74	Disposed	78736	Direct
2007-05-02	Common Stock	S	25000	$64.15	Disposed	53736	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	645.6625	Indirect

Footnotes

F1: Acquired on a periodic basis by the Trustee of the Tidewater Inc. 401(k) Savings Plan. Includes shares acquired for my account through April 30, 2007.