Homer spit
NDBC buoy hmsa2
Observed , 26 minutes ago
Challenging
Small Craft Advisory in effect. Light WSW winds at 6 kn gusting to 10 kn. Air 50°F. Next low tide at 7:37 PM (4 ft). Tonight: Variable Wind Less Than 10 Kt.
It tells you it is rough now. The app tells you before it gets rough, with alerts at the wind and wave limits you set.
Get Buoycast for iPhoneSmall Craft Advisory
Small Craft Advisory issued September 23 at 3:03PM AKDT until September 25 at 5:00AM AKDT by NWS Anchorage AK
Coastal Waters Forecast for the Northern Gulf of Alaska Coast up to 100 nm out including Kodiak Island and Cook Inlet. Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent an average of the highest one-third of the combined wind wave and swell height. .TONIGHT...Variable wind less than 10 kt. Seas 2 ft. .THU...NE wind 10 kt becoming SE 15 kt in the afternoon. Seas 2 ft. .THU NIGHT...E wind 25 kt. Seas 3 ft. Rain. .FRI...E wind 30 kt. Seas 4 ft. .FRI NIGHT...E wind 15 kt. Seas 2 ft. .SAT...SE wind 10 kt. Seas 2 ft. .SUN...Variable wind less than 10 kt. Seas 2 ft. .MON...Variable wind less than 10 kt. Seas 2 ft.
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Get Buoycast for iPhoneWind
Speed
6kn
Gust
9.9kn
Direction
240° WSW
Trend
Rising
Last 12 hours0 to 8 kn
Air temp
50°F
Last 12 hours43 to 51°F
Pressure
1010mbar
Tendency
Steady
3 hour change
-0.3 mbar
Last 12 hours1008 to 1010 mbar
Tides
Next low
7:37 PM
3.8 ft
Then high
1:43 AM
18 ft
Predicted, Homer, Coal Point, Kachemak Bay0.6 to 18 ft
Zone forecast
Tonight
Variable Wind Less Than 10 Kt. Seas 2 Ft.
Thu
NE Wind 10 Kt Becoming SE 15 Kt In The Afternoon. Seas 2 Ft.
Thu Night
E Wind 25 Kt. Seas 3 Ft. Rain.
Synopsis
303 PM AKDT Wed Sep 23 2026 .SYNOPSIS FOR THE NORTH GULF COAST+KODIAK ISLAND WATERS+ COOK INLET...
NWS zone Kachemak Bay
Last 24 hours
Every 3 hours, over the last 12 hours. Pressure 1,008 to 1,010 mbar over the same window.
4 stations within 30 NM
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Get Buoycast for iPhoneCommon questions
How often does buoy hmsa2 report?
Wind, temperature and pressure update about every 10 minutes.
Can I be notified when conditions change at buoy hmsa2?
Buoycast Pro lets you set your own limits on wind, waves or pressure and sends a threshold notification when this buoy crosses them.
Does this page show NOAA warnings for this area?
Watches, warnings, and advisories for Kachemak Bay appear alongside the conditions, here and in the app. Pro also pushes NOAA watches, warnings, and advisories when they are issued.
Can I see the forecast against what buoy hmsa2 measured?
This page shows measurements only. Buoycast Pro charts the NOAA forecast against them so you can see where the two diverge.
Can I keep buoy hmsa2 for next time?
Save it as a favorite and Buoycast opens on the buoys you run.
What this buoy measures
This buoy is not reporting waves or water temperature. Conditions above come from the sensors it does carry, and the forecast, tides and sun times on this page are regional rather than measured at the buoy.
Station hmsa2
59°36'07" N 151°25'01" W · owned and maintained by Marine Exchange of Alaska
Measured on the water by 1,000+ NOAA buoys. Observations from the National Data Buoy Center, forecasts and advisories from the National Weather Service. Not for navigation.