The news of the siege of Exeter reached the Danes at Wareham, which was their head-quarters, and 120 vessels filled with their troops sailed for the relief of Exeter.
The weather was unpropitious, heavy fogs lay on the water, dissipated occasionally by fierce outbursts of wind. The Saxon fleet kept the sea. It was well that for a time the Danish fleet did not appear in sight, for the Saxons, save the sailors, were unaccustomed to the water, and many suffered greatly from the rough motion; and had the Danes appeared for the first week after the fleet put to sea a combat must have been avoided, as the troops were in no condition to fight.
Presently, however, they recovered from their malady and became eager to meet the enemy; Edmund bade his men take part in the working of the ship in order to accustom themselves to the duties of seamen. The fleet did not keep the sea all the time, returning often to the straits between the Isle of Wight and the mainland, where they lay in shelter, a look-out being kept from the top of the hills, whence a wide sweep of sea could be seen, and where piles of wood were collected by which a signal fire could warn the fleet to put to sea should the enemy's vessels come in sight.
A full month passed and the Saxons began to fear that the Danes might have eluded them, having perhaps been blown out to sea and having made the land again far to the west. One morning, however, smoke was seen to rise from the beacon fire. The crews who were on shore instantly hurried on board. From the hills the Danish fleet was made out far to the west and was seen to be approaching the land from seaward, having been driven far out of its course by the winds.
The weather was wild and threatening and the sailors predicted a great storm. Nevertheless the fleet put to sea and with reefed sails ran to the west. Their vessels were larger than the Danish galleys and could better keep the sea in a storm. Many miles were passed before, from the decks, the Danish flotilla could be seen. Presently, however, a great number of their galleys were discerned rowing in towards Swanage Bay.
In spite of the increasing fury of the wind the Saxons spread more sail and succeeded in intercepting the Danes. A desperate fight began, but the Danes in their low, long vessels had all they could do to keep afloat on the waves.
Many were run down by the Saxons. The showers of arrows from their lofty poops confused the rowers and slew many. Sweeping along close to them they often broke off the oars and disabled them. Sometimes two or three of the Danish galleys would try to close with a Saxon ship, but the sea was too rough for the boats to remain alongside while the men tried to climb up the high sides, and the Saxons with their spears thrust down those who strove to do so. Confusion and terror soon reigned among the Danes, and fearing to try to escape by sea in such a storm made for the shore, hotly pursued by the Saxons.
But the shore was even more inhospitable than their foes. Great rocks bordered the coast, and upon these the galleys were dashed into fragments. The people on shore, who had gathered at the sight of the approaching fleets, fell upon such of the Danes as succeeded in gaining the coast, and everyone who landed was instantly slain. Thus, partly from the effects of the Saxon fleet but still more from that of the storm, the whole of the Danish fleet of one hundred and twenty vessels was destroyed, not a single ship escaping the general destruction.
