Your Cruise, Your Weather
Plan Your Cruise With Free Weather Forecasts
Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…Join HAL Cruises'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. Expected weather: rain, partially cloudy with highs near 56°F.
Hubbard Glacier, Alaska is a scheduled port of call on day 2 of the 7-night Glacier Discovery Southbound cruise on Westerdam. Expected weather: partially cloudy with highs near 46°F.
Tracy Arm/Endicott Arm, Alaska is a scheduled port of call on day 3 of the 7-night Glacier Discovery Southbound cruise on Westerdam. Expected weather: partially cloudy with highs near 59°F.
Skagway, Alaska is a scheduled port of call on day 4 of the 7-night Glacier Discovery Southbound cruise on Westerdam. Expected weather: partially cloudy with highs near 54°F.
Juneau, Alaska is a scheduled port of call on day 5 of the 7-night Glacier Discovery Southbound cruise on Westerdam. Expected weather: partially cloudy with highs near 61°F.
Ketchikan, Alaska is a scheduled port of call on day 6 of the 7-night Glacier Discovery Southbound cruise on Westerdam. Expected weather: partially cloudy with highs near 58°F.
Vancouver, Canada is a scheduled port of call on day 7 of the 7-night Glacier Discovery Southbound cruise on Westerdam. Expected weather: partially cloudy with highs near 71°F.
Compare rates and find your next sailing.