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API · /seatemp-api

Sea Temperature & Waves API

healthy 3,481 Subscribers

Real-time and forecast ocean conditions for any coastal or open-water location. Get the current sea-surface temperature (in °C and °F) together with a wave snapshot — height, direction, period, swell and wind-wave — pull an hourly series of temperature and waves, or a daily forecast with sea-temperature min/avg/max and wave aggregates. Global ocean coverage sourced from Open-Meteo’s Marine model, delivered through a fast, reliable API; inland coordinates return a clear not-found so you always know you have ocean data. Ideal for surf and sailing apps, fishing and diving, beach and tourism services, shipping and coastal or climate monitoring.

#sea #ocean #temperature #waves #marine #surf
api.oanor.com/seatemp-api
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Machine-readable spec so AI agents can integrate this API.

/api/seatemp-api/openapi.json
/api/seatemp-api/llms.txt

Discovery: GET /api/index.json lists every API.

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
510 ms
Server probes · 24h
Subscribers
3,481
active
Total calls
24
last 7 days
status Full status page → · 15 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 1,000 calls / month
  • 2 requests / second
  • Hard cap (429 above quota, no overage)
  • 1,000 requests/month, 2 req/s
  • Current, hourly & daily-forecast
  • Sea temperature + wave conditions
  • No credit card
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Basic

€5.00 /month

  • 75,000 calls / month
  • 5 requests / second
  • Hard cap (429 above quota, no overage)
  • 75,000 requests/month, 5 req/s
  • °C and °F, swell & wind-wave
  • Hourly series up to 7 days
  • Commercial use, email support
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Pro

€15.00 /month

  • 300,000 calls / month
  • 15 requests / second
  • Hard cap (429 above quota, no overage)
  • 300,000 requests/month, 15 req/s
  • High-volume marine data
  • Daily min/avg/max sea temperature
  • Priority email support
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Mega

€39.00 /month

  • 1,200,000 calls / month
  • 40 requests / second
  • Hard cap (429 above quota, no overage)
  • 1,200,000 requests/month, 40 req/s
  • Surf, sailing & shipping scale
  • Maximum concurrency
  • Priority support
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Built by

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PremiumApi

Related APIs

Other APIs with overlapping tags.

Tides API

High and low tide predictions for thousands of US coastal stations, powered by NOAA CO-OPS. Search the station directory by state or name, pull full station metadata (coordinates and time zone), and get tide predictions as high/low events or an hourly height series for up to seven days, in feet or metres and against the datum of your choice (MLLW, MSL, MHHW and more). Delivered through a fast, reliable API with clear errors for invalid stations. Ideal for boating and sailing, fishing and surfing, ports and logistics, beach and tourism services and coastal planning.

api.oanor.com/tides-api

Unit Converter API

Fast, deterministic unit conversion across 10 categories — length, mass, temperature, area, volume, speed, time, digital storage, pressure and energy. Convert any value between compatible units and list the full unit catalog per category. Fully local compute (no third-party upstream), so responses are instant and always available. Ideal for calculators, e-commerce, logistics, engineering tools, dashboards and chatbots.

api.oanor.com/unit-api

Weather API

Real-time weather: current conditions, multi-day forecast, historical weather, marine/wave forecast, astronomy (sun/UV), air quality, geocoding and timezone.

api.oanor.com/weather-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Sea Temperature & Waves API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Sea Temperature & Waves API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Sea Temperature & Waves API?
Free tier allows 1 request per second. Paid plans scale up to 50 requests per second on the Mega tier. Hard limits return HTTP 429 above the quota — no surprise overage charges.
How much does Sea Temperature & Waves API cost?
Sea Temperature & Waves API has a free tier with 100 calls / month. Paid plans start at €5.00 / month with higher quotas and faster rate limits.
Can I cancel my subscription anytime?
Yes. Plans are billed monthly and you can cancel anytime from your billing dashboard. No long-term contracts and no cancellation fee.
Is Sea Temperature & Waves API GDPR-compliant?
All requests to Sea Temperature & Waves API go through our EU-based gateway. Your upstream API key never leaves our server and no personal data is shared with the upstream provider beyond the request you send.

Pick an endpoint from the list on the left to see its details and try it.

Code snippets

Sign up to get an API key, then call any path under your slug.

curl https://api.oanor.com/seatemp-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/seatemp-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/seatemp-api/SOME_PATH");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
$response = curl_exec($ch);
import requests
r = requests.get(
    "https://api.oanor.com/seatemp-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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