PORTMADOC. — During a heavy gale from the N.N.W., on the morning of the 7th November, the schooner Louisa, was observed in the direction of the North Bank. At 8 o'clock the Life-boat CwdvM was launched, -went to the vessel and, at the request of the master, stood by her until 4 P.M., when a steam-tog from Poitmadoe arrived and took her in tow..