Marine forecast
Cape Spencer–Cape Fairweather (15-85 nm), AK
- current wind
- 16 kt E
- Gusts
- 18 kt
- Air
- 49°F
- Water
- 52°F
- 72-hr peak
- 39 kt
Observed Tue 11:10 AM | PKZ664
- Gusts now
- 18 kt
- Air
- 49°F
- Water
- 52°F
- 72-hr peak
- 39 kt
- Peak seas
- 16 ft
In brief
At 11:10 am AKDT on Oct 13, 2026, NDBC station 46083 (FAIRWEATHER GROUND - 105 NM West of Juneau, AK, 10 miles away) measured wind from the E at 16 kt, gusting to 18 kt. The NWS forecast for Cape Spencer–Cape Fairweather (15-85 nm), AK issued at 7:39 am AKDT on Oct 13, 2026 reads, for today: “S wind 10 kt. Seas 6 ft.” A Small Craft Advisory is in effect until Wed 10:00 PM.
Source: National Weather Service Juneau AK forecast; NDBC observations
Wind forecast · ktPeak 39 kt
Seas forecast · ftPeak 16 ft
Marine advisory
Small Craft Advisory in effect for Cape Spencer–Cape Fairweather (15-85 nm) until Wed 10:00 PM.
Full text of this small craft advisory
* WHAT...For the first Small Craft Advisory, southeast winds 20 to 30 kt and seas 7 to 9 ft expected. For the Gale Warning, east winds 35 to 45 kt with gusts up to 50 kt and seas 17 to 22 ft expected. For the second Small Craft Advisory, southeast winds 25 to 35 kt with gusts up to 40 kt and seas 12 to 17 ft expected. * WHERE...Cape Spencer to Cape Fairweather from 15 to 85 NM and Cape Fairweather to Icy Cape from 15 to 80 NM. * WHEN...For the first Small Craft Advisory, from 7 PM to 10 PM AKDT Wednesday. For the Gale Warning, from 10 PM Wednesday to 4 PM AKDT Thursday. For the second Small Craft Advisory, from 4 PM Thursday to 4 AM AKDT Friday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility.
Gale Warning in effect for Cape Spencer–Cape Fairweather (15-85 nm) until Thu 4:00 PM.
Full text of this gale warning
* WHAT...For the first Small Craft Advisory, southeast winds 20 to 30 kt and seas 7 to 9 ft expected. For the Gale Warning, east winds 35 to 45 kt with gusts up to 50 kt and seas 17 to 22 ft expected. For the second Small Craft Advisory, southeast winds 25 to 35 kt with gusts up to 40 kt and seas 12 to 17 ft expected. * WHERE...Cape Spencer to Cape Fairweather from 15 to 85 NM and Cape Fairweather to Icy Cape from 15 to 80 NM. * WHEN...For the first Small Craft Advisory, from 7 PM to 10 PM AKDT Wednesday. For the Gale Warning, from 10 PM Wednesday to 4 PM AKDT Thursday. For the second Small Craft Advisory, from 4 PM Thursday to 4 AM AKDT Friday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility.
Small Craft Advisory in effect for Cape Spencer–Cape Fairweather (15-85 nm) until Fri 4:00 AM.
Full text of this small craft advisory
* WHAT...For the first Small Craft Advisory, southeast winds 20 to 30 kt and seas 7 to 9 ft expected. For the Gale Warning, east winds 35 to 45 kt with gusts up to 50 kt and seas 17 to 22 ft expected. For the second Small Craft Advisory, southeast winds 25 to 35 kt with gusts up to 40 kt and seas 12 to 17 ft expected. * WHERE...Cape Spencer to Cape Fairweather from 15 to 85 NM and Cape Fairweather to Icy Cape from 15 to 80 NM. * WHEN...For the first Small Craft Advisory, from 7 PM to 10 PM AKDT Wednesday. For the Gale Warning, from 10 PM Wednesday to 4 PM AKDT Thursday. For the second Small Craft Advisory, from 4 PM Thursday to 4 AM AKDT Friday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility.
NWS marine forecast
| Period | Forecast |
|---|---|
| Today | S wind 10 kt. Seas 6 ft. |
| Tonight | SW wind 15 kt. Seas 6 ft. Slight chance of thunderstorms in the evening. |
| Wed | SE wind 15 kt. Seas 6 ft. |
| Wed Night | E gale to 40 kt. Seas 18 ft. Rain. |
| Thu | SE gale to 40 kt. Seas 20 ft. |
| Fri | S wind 15 kt. Seas 12 ft. |
| Sat | S wind 15 kt. Seas 10 ft. |
Issued Tue 7:39 AM by Juneau AK (product CWFAEG).
Synopsis
Winds along southern ocean entrances increase Tuesday as a northward moving low clips the southern panhandle. Up north, winds strengthen near Cape St. Elias to Icy Bay as a weak barrier jet forms. By early Thursday, a strong gale force low will impact the Gulf and coastal waters.
Recent buoy conditions
| Time | Wind | Gust | Seas | Water |
|---|---|---|---|---|
| Tue 11:10 AM | 16 kt E | 18 kt | — | 52°F |
| Tue 10:50 AM | 14 kt ESE | 18 kt | 5.6 ft | 52°F |
| Tue 9:50 AM | 16 kt E | 19 kt | 5.2 ft | 52°F |
| Tue 8:50 AM | 12 kt ESE | 14 kt | 5.6 ft | 52°F |
| Tue 7:50 AM | 10 kt SSE | 12 kt | 5.6 ft | 52°F |
| Tue 6:50 AM | 12 kt SE | 18 kt | 5.6 ft | 52°F |
| Tue 5:50 AM | 16 kt E | 18 kt | 5.9 ft | 52°F |
| Tue 4:50 AM | 12 kt SE | 16 kt | 5.9 ft | 51°F |
| Tue 3:50 AM | 8 kt ESE | 10 kt | 5.9 ft | — |
| Tue 2:50 AM | 8 kt SSE | 10 kt | 5.9 ft | 51°F |
| Tue 1:50 AM | 4 kt SSE | 8 kt | 5.6 ft | 51°F |
| Tue 12:50 AM | 2 kt E | 4 kt | 5.9 ft | 51°F |
Observed Tue 11:10 AM at NDBC buoy 46083 (FAIRWEATHER GROUND - 105 NM West of Juneau, AK), 9.6 miles away.
Frequently asked questions
What is the marine forecast for Cape Spencer–Cape Fairweather (15-85 nm) today?
Today: S wind 10 kt. Seas 6 ft.
Is there a small craft advisory for Cape Spencer–Cape Fairweather (15-85 nm)?
Yes — small craft advisory, gale warning, small craft advisory in effect until Wed 10:00 PM.
What is the water temperature at Cape Spencer–Cape Fairweather (15-85 nm)?
The nearest buoy read 52°F (11°C) at Tue 11:10 AM. Sea surface temperature at a single buoy can differ by several degrees from the water at a beach or in a shallow bay nearby.
What do the wind speeds in knots mean?
One knot is 1.15 mph. The National Weather Service issues a small craft advisory for sustained winds of roughly 22–33 knots or hazardous seas, a gale warning at 34–47 knots, and a storm warning at 48 knots and above. Exact advisory thresholds vary by forecast office and by water body — a bay reaches dangerous chop at a lower wind speed than open ocean.
Where does this forecast come from?
The forecast text is the National Weather Service's own marine bulletin for zone PKZ664, issued by Juneau AK, reproduced in full. The wind and seas charts are drawn from the NWS gridded forecast for a point inside the zone. Observations come from the nearest reporting NDBC buoy. We are not affiliated with NOAA or the National Weather Service.
Forecast: NOAA/NWS product CWFAEG, issued Tue 7:39 AM. Observations: NOAA National Data Buoy Center station 46083, read Tue 11:10 AM. Retrieved Oct 13, 11:42 AM. Conditions offshore change faster than any page can be rebuilt, so check the current NWS bulletin and your own instruments before going out.