Is the forecaster formally trained? Im certainly biased; however, I cant emphasize enough how important it is to use a trained weather forecaster. There are several flavors of meteorologist, so utilizing a forecast from someone schooled in the finer points of coastal and marine weather is most advantageous. In addition, your weather forecaster should have an experience level suitable for what youre asking of them. Operational weather prediction is all about continuous learning. The more situations your forecaster has faced, the less likely youll be surprised. Likewise, the skill set specific to your needs is important. A forecaster whos great at predicting winds at 35,000 feet for aviation may not be the one you want forecasting the winds at sea level.