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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…Join Holland America Line (HAL)'s Westerdam for a 7-night voyage on the Glacier Discovery Southbound route, setting out from Whittier, Alaska on September 6, 2026. It's a classic Alaska cruise. Travelers sailing in September can generally expect cool days, crisp nights, and long hours of daylight typical of the Alaska cruise season — with rain never far off. Ports of call include Whittier, Alaska, Hubbard Glacier, Alaska, Tracy Arm/Endicott Arm, Alaska, with 4 more along the way. The forecasts below break the weather down port by port.
Whittier, Alaska is a scheduled port of call on day 1 of the 7-night Glacier Discovery Southbound cruise on Westerdam.
Hubbard Glacier, Alaska is a scheduled port of call on day 2 of the 7-night Glacier Discovery Southbound cruise on Westerdam.
Tracy Arm/Endicott Arm, Alaska is a scheduled port of call on day 3 of the 7-night Glacier Discovery Southbound cruise on Westerdam.
Skagway, Alaska is a scheduled port of call on day 4 of the 7-night Glacier Discovery Southbound cruise on Westerdam.
Juneau, Alaska is a scheduled port of call on day 5 of the 7-night Glacier Discovery Southbound cruise on Westerdam.
Ketchikan, Alaska is a scheduled port of call on day 6 of the 7-night Glacier Discovery Southbound cruise on Westerdam.
Day 7 of 8 is a day at sea aboard Westerdam, cruising between ports on the Glacier Discovery Southbound itinerary.
Vancouver, Canada is a scheduled port of call on day 8 of the 7-night Glacier Discovery Southbound cruise on Westerdam.
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