Oceanweather
A private marine weather forecasting company that specializes in global, regional and site specific forecasts. Oceanweather also provides wind and wave modeling to help in the design of maritime structures.

Marincom Intl Systems Ltd.
World weather routing services for ships and evaluation of vessel performance.

Marine Weather Services
For 15 years MWS has provided research, forecasts and routeing services to the marine industry, and particularly, yachting.

Marine Weather Services
Marine Weather & Oceanography Services of the Australian Bureau of Meteorology.

Aerospace & Marine International Corporation
Provider of marine weather information and services. Our professional meteorologists provide service for industry, government, research, and recreation.

National Data Buoy Center
NWS forecasters need frequent, high-quality marine observations to diagnose conditions before they prepare forecasts and to be sure their forecasts are correct. NDBC provides hourly observations from a network of about 60 buoys and 60 C-MAN stations to help meet these needs.

National Hurricane Center
The Tropical Prediction Center.

Seimac Weather Source
Site-specific weather forecasting, 24 hours a day, 7 days a week

WNI Oceanroutes (UK) Ltd
Part of the WNI Group, the world's largest private meteorological services organisation, with a client base ranging from media to offshore oil and gas companies, the shipping industry, aviation and public utilities.

WNI Oceanroutes
Weather routing and vessel tracking service, ORION onboard weather information and route guidance system, POLARIS weather information and fleet management system, Tow and rig and lightering forecasts, forensic meteorology.

CoastWeather.com
Detailed marine weather forecasts and coastal weather forecasts. Weather forecast charts and text forecasts for any US coastal location. Check on current conditions, tides, and official NWS forecasts too.

Today In Cornwall
Cornwall's weather, tide tables and coastal conditions plus local information.

MeteoMer
Real-time ocean analyses and maritime weather forecasting.

MariSafe Weather Center
MariSafe offers real-time weather forecasts designed to make you safe, smart and secure.

Meteosail
The weather you need for sailing. Wind and weather forecast charts, wave heights, sea level, air pressure, temperature, weather charts, sailing weather current conditions and others.