Northern Gulf of America OFS
Last cycle 15 Oct 21:00 UTCngofs2Unstructured-mesh FVCOM forecast spanning the northern Gulf shelf and Mississippi–Atchafalaya plume, with variable coastal resolution.
Produced by NOAA NOS CO-OPS
Coverage
Jul 28 – Oct 17
Cadence
6h
Forecast
48h
Variables
44
Grid
UGRID
Vertical
40σ-layers
Coveragetime
span 2.7 months42 h ahead
now
Jul 28, 2026 09:00ZOct 17, 2026 21:00Z
Access
ZarrAvailable
Zarr store on S3 — open directly for best performance.
s3://noaa-nodd-kerchunk-pds/zarr3/ngofs2.zarrWMSAvailable
Rendered map tiles for Leaflet, OpenLayers, QGIS.
https://cloud.data.ioos.us/xreds/datasets/ngofs2_zarr3/wms/?service=WMS&request=GetCapabilitiesOpen in code
import xarray as xr
ds = xr.open_zarr(
"s3://noaa-nodd-kerchunk-pds/zarr3/ngofs2.zarr",
zarr_format=3,
consolidated=False,
storage_options={"anon": True},
)Northern Gulf of America OFS · Zarr v3, anonymous S3
import intake
cat = intake.open_catalog(
"https://noaa-nodd-kerchunk-pds.s3.amazonaws.com/zarr3/intake.yml",
)
ds = cat["ngofs2"].to_dask()Northern Gulf of America OFS · resolved through the shared catalog
Dimensions9
four4nele569,405time594node303,714three3maxelem8maxnode10siglev-1 → 0siglay-1 → 0
Variables44
| name | standard name | units | dimensions |
|---|---|---|---|
| temp | sea_water_temperature | degrees_C | timesiglaynode |
| salinity | sea_water_salinity | 1e-3 | timesiglaynode |
| u | eastward_sea_water_velocity | meters s-1 | timesiglaynele |
| v | Northward_sea_water_velocity | meters s-1 | timesiglaynele |
| ww | not declared | meters s-1 | timesiglaynele |
| zeta | sea_surface_height_above_geoid | meters | timenode |
| uwind_speed | eastward wind | meters s-1 | timenele |
| vwind_speed | northward wind | meters s-1 | timenele |
| atmos_press | not declared | pascals | timenode |
| a2u | not declared | — | fournele |
| a1u | not declared | — | fournele |
| Times | not declared | — | time |
| art1 | not declared | — | node |
| awx | not declared | — | threenele |
| iint | not declared | — | time |
| aw0 | not declared | — | threenele |
| inundation_cells | not declared | — | timenele |
| h | sea_floor_depth_below_geoid | m | node |
| art2 | not declared | — | node |
| awy | not declared | — | threenele |
| latent_heat_flux | not declared | W m-2 | timenode |
| long_wave | not declared | W m-2 | timenode |
| nbve | not declared | — | maxelemnode |
| nbe | not declared | — | threenele |
| nbsn | not declared | — | maxnodenode |
| net_heat_flux | not declared | W m-2 | timenode |
| ntsn | not declared | — | node |
| nprocs | not declared | — | |
| nv | not declared | — | threenele |
| omega | not declared | s-1 | timesiglevnode |
| partition | not declared | — | nele |
| sensible_heat_flux | not declared | W m-2 | timenode |
| short_wave | not declared | W m-2 | timenode |
| tauc | not declared | m^2 s^-2 | timenele |
| ntve | not declared | — | node |
| wet_cells | not declared | — | timenele |
| wet_nodes_prev_int | not declared | — | timenode |
| wet_cells_prev_int | not declared | — | timenele |
| xc | not declared | meters | nele |
| wet_nodes | not declared | — | timenode |
| wet_cells_prev_ext | not declared | — | timenele |
| x | not declared | meters | node |
| y | not declared | meters | node |
| yc | not declared | meters | nele |
Attributes15
title
NGOFS2
institution
School for Marine Science and Technology
source
FVCOM_4.4.7
history
model started at: 15/10/2026 21:21
references
http://fvcom.smast.umassd.edu, https://github.com/FVCOM-GitHub/FVCOM
Conventions
CF-1.0
CoordinateSystem
GeoReferenced
CoordinateProjection
init=nad83:4205
Tidal_Forcing
TIDAL ELEVATION FORCING IS EITHER IN NESTING OR OFF!
River_Forcing
THERE ARE 63 RIVERS IN THIS MODEL.
RIVER INFLOW IS ON THE nodes WHERE TEMPERATURE AND SALINITY ARE calculated IN THE MODEL.
THE FOLLOWING RIVER NAMES ARE USED:
08012000
02365500
02375500
02489500
02492000
08211200
08211200
08211200
02481510
02481510
02481510
02479000
02479000
02479000
02479000
08164800
08164800
08164000
08164000
08188800
08188800
08188800
08066500
08066500
02479560
02479560
02479560
02479560
07375500
07375500
08030500
08030500
08069000
08069000
08069000
07381600
07381600
07381600
07381600
02470629
02470629
02470629
02470629
02471019
02471019
02471019
02471019
02471019
08076000
08076000
08075400
08041780
08015500
08075000
08075000
07374000
07374000
07374000
07374000
08162500
08116650
02376500
02368000
GroundWater_Forcing
GROUND WATER FORCING IS OFF!
Surface_Heat_Forcing
FVCOM variable surface heat forcing file:
FILE NAME:ngofs2.t21z.20261015.hflux.forecast.nc
SOURCE:FVCOM grid (unstructured) surface forcing
Unknown start date meta data format
Surface_Wind_Forcing
FVCOM variable surface Wind forcing:
FILE NAME:ngofs2.t21z.20261015.met.forecast.nc
SOURCE:FVCOM grid (unstructured) surface forcing
Unknown start date meta data format
Surface_PrecipEvap_Forcing
SURFACE PRECIPITATION FORCING IS OFF
_xpublish_id
ngofs2_zarr3
Source & extent
Model core
FVCOM
Grid type
UGRID (unstructured)
Region
Gulf of America
Spatial extent
−97.862, 21.7894 → −85.7332, 30.7808
Store format
Zarr v3
Source store
s3://noaa-nodd-kerchunk-pds/zarr3/ngofs2.zarr