Bluegraph
SIMarineUS

Wave intelligence

The systems in the sea

A buoy's significant wave height sums everything in the sea: long groundswell from a storm a thousand miles off, a closer swell, the chop of the local wind. Each buoy's measured directional spectrum is partitioned into those systems, which are followed through time, used to place the storms the swells came from, and checked for seas that cross.

Stations analysed
161 of 163
Newest spectrum
41 min ago
Systems named
312
Swell · wind sea
203 · 109
Seas crossing
6 buoys
Storms, last month
190 placed →
Window
The last 4 days
Method
Reference

The wave systems in each buoy's latest spectrum, largest first, and whether each is building or fading.

Each petal is a system, pointing to where it comes from, north up. Its length grows with height (the ring is 4 m); its width is the directional spread. Swell Wind sea Storm placed

StationSystems nowSeas crossingStorm placed
Scripps Nearshore, CA 46254 · California · 1 h ago
  • Wind sea1.0 m7 sWNW
  • Groundswell0.4 m14 sWNW ↑ building
South Santa Rosa Island, CA 46069 · California · 51 min ago
  • Wind sea2.3 m12 sWNW ↑ building
Southeast Papa 46006 · California · 51 min ago
  • Swell1.9 m11 sWNW ↑ building
  • Groundswell0.8 m15 sSSE
St Georges, CA 46027 · California · 51 min ago
  • Swell2.1 m13 sNW ↑ building
About 1500 nmi to the WNW (297°T)
Tanner Bank, CA 46047 · California · 51 min ago
  • Swell2.0 m9 sWNW ↓ fading
  • Swell1.6 m13 sWNW new
About 2550 nmi to the WNW (298°T)
Topanga Nearshore 46268 · California · 1 h ago
  • Wind sea0.4 m6 sWSW ↓ fading
  • Groundswell0.4 m16 sSSW
Torrey Pines Outer, CA 46225 · California · 41 min ago
  • Wind sea1.2 m8 sW new
  • Groundswell0.6 m16 sSSW
West California 46059 · California · 51 min ago
  • Swell1.7 m12 sNW
  • Wind sea1.2 m5 sN new
45° apartAbout 550 nmi to the NNW (330°T)
West Santa Barbara, CA 46054 · California · 51 min ago
  • Swell2.0 m12 sWNW new
  • Swell0.6 m4 sNNW new
About 2750 nmi to the WNW (304°T)
Angeles Point, WA (248) 46267 · Pacific Northwest · 1 h ago
  • Swell0.3 m10 sNW ↑ building
Astoria Canyon, OR (179) 46248 · Pacific Northwest · 41 min ago
  • Swell1.6 m12 sWNW ↓ fading
  • Swell0.8 m11 sSW new
Cape Elizabeth, WA 46041 · Pacific Northwest · 51 min ago
  • Swell1.7 m11 sWNW
  • Swell0.8 m10 sSW new
About 2000 nmi to the WNW (288°T)
Clatsop Spit, OR 46243 · Pacific Northwest · 1 h ago
  • Swell1.3 m12 sW ↓ fading
  • Wind sea0.7 m6 sW new
  • Groundswell0.5 m18 sSSW new
About 2100 nmi to the W (261°T)
Columbia River Bar, OR 46029 · Pacific Northwest · 1 h ago
  • Swell1.7 m11 sWNW ↓ fading
  • Swell0.4 m11 sS new
Grays Harbor, WA 46211 · Pacific Northwest · 41 min ago
  • Swell1.5 m11 sW ↓ fading
  • Groundswell0.4 m16 sSW new
Neah Bay, WA 46087 · Pacific Northwest No spectrum in the last six hours
New Dungeness, WA 46088 · Pacific Northwest · 51 min agoCalm: no wave system large enough to name
Ocean Station PAPA (166) 46246 · Pacific Northwest · 2 h ago
  • Wind sea1.6 m9 sWNW ↓ fading
  • Swell0.5 m12 sSSE
Port Orford, OR 46015 · Pacific Northwest · 51 min ago
  • Swell2.2 m13 sWNW
  • Swell0.7 m6 sNW new
About 2450 nmi to the WNW (303°T)
Stonewall Bank, OR 46050 · Pacific Northwest · 51 min ago
  • Swell1.9 m13 sNW ↓ fading
About 750 nmi to the W (264°T)