{"id":"154132","url":"https://navtex.online/messages/154132","station":{"id":"navtex-se-grimeton-i","name":"Grimeton NAVTEX [I]","navarea":"I"},"header":{"letter":"I","subject":"E","subjectName":"Weather forecast","serial":"23"},"refs":[],"firstSeen":"2026-05-17T17:18:15.000Z","lastSeen":"2026-05-17T17:18:15.000Z","copies":1,"sources":1,"quality":0.99896264,"text":"ZCZC IE23\n171501 UTC MAY\nBALTIC SEA WEATHERFORECAST\nWEATHER SUMMARY:\nL NEAR BRITISH ISLES. RIDGE OF H STRENGTHENING OVER SWEDEN AND FINLAND.\nFORECAST VALID 24 HOURS (WIND SCALE IN METERS PER SECOND)\nSKAGERRAK\nS-SE 5-10. SHWRS WITH MOD VIS.\nKATTEGAT THE SOUND THE BELTS WESTERN BALTIC SOUTHERN BALTIC  SE 4-8.\nTOMORROW AFTERNOON IN W BALTIC SOMEWHAT INCR. MAINLY GOOD VIS LOC SHWRS.\nLAKE VAENERN\nS-SW 3-7. OVERNIGHT SE 1-5. MAINL* GOOD VIS.\nSOUTHEASTERN BALTIC\nVRB 1-5 AND RISK OF FOG. TOMORROW N INCR 5-10 AND DURING DAY IMPR VIS.\nCENTRAL BALTIC NORTHERN BALTIC\nS-SW 3-7. OVERNIGHT VRB 1-5. TOMORROW BEGINNING IN E-PART N-NE AND INCR.\nIN AFTERNOON 5-10. RISK OF FOG.\nGULF OF RIGA\nVRB 1-5. OVERNIGMT N AND SOMEWHAT INCR. EARLY TOMORROW MORNING FURTHER\nINCR 5-10. OVERNIGHT RISK OF FOG. TOMORROW AFTERNOON RAIN WITH MOD VIS.\nGULF OF FINLAND\nVRB 1-5. TOMORROW N-NE SOMEWHAT INCR. IN W-PART RISK OF FOG. IN E-PART\nTEMPO RAIN WITH MOD VIS.\nSEA OF AALAND ARCHIPELAGO SEA SOUTHERN SEA OF BOTHNIA NORTHERN SEA OF\nBOTHNIA THE QUARK  S 4-9 OVERNIGHT DECR. TOMORROW 1-5 AND TEMPO VRB. GOOD\nVIS BUT RISK OF FOG.\nBAY OF BOTHNIA\nS 4-8 IN W-PART TEMPO UP TO 10. TOMORROW 2-7. MAINLY GOOD VIS.\nNNNN","plain":{"title":"Grimeton NAVTEX [I] · Weather forecast · No. 23","issued":null,"text":"171501 UTC May\nBaltic sea weatherforecast\nWeather summary:\nL near british isles. Ridge of h strengthening over sweden and finland.\nForecast valid 24 hours (wind scale in meters per second)\nSkagerrak\nS-SE 5-10. Showers with moderate visibility.\nKattegat the sound the belts western baltic southern baltic  SE 4-8.\nTomorrow afternoon in W baltic somewhat increasing. Mainly good visibility locally showers.\nLake vaenern\nS-SW 3-7. Overnight SE 1-5. MAINL▯ good visibility.\nSoutheastern baltic\nVariable 1-5 and risk of fog. Tomorrow N increasing 5-10 and during day improving visibility.\nCentral baltic northern baltic\nS-SW 3-7. Overnight variable 1-5. Tomorrow beginning in E-part N-NE and increasing.\nIn afternoon 5-10. Risk of fog.\nGulf of riga\nVariable 1-5. Overnigmt N and somewhat increasing. Early tomorrow morning further\nIncreasing 5-10. Overnight risk of fog. Tomorrow afternoon rain with moderate visibility.\nGulf of finland\nVariable 1-5. Tomorrow N-NE somewhat increasing. In W-part risk of fog. In E-part\nTemporarily rain with moderate visibility.\nSea of aaland archipelago sea southern sea of bothnia northern sea of\nBothnia the quark  S 4-9 overnight decreasing. Tomorrow 1-5 and temporarily variable. Good\nVisibility but risk of fog.\nBay of bothnia\nS 4-8 in W-part temporarily up to 10. Tomorrow 2-7. Mainly good visibility.","summary":"Baltic sea weatherforecast · Weather summary"},"positions":[],"status":"unknown","cancelledAt":null,"cancelledBy":null,"official":null,"change":"380249","versions":[{"source":"navtex-net","receivedAt":"2026-05-17T17:18:15.000Z","lastAt":"2026-05-17T17:18:15.000Z","repeats":1,"complete":true,"errorMarks":1,"primary":true,"text":"ZCZC IE23\n171501 UTC MAY\nBALTIC SEA WEATHERFORECAST\nWEATHER SUMMARY:\nL NEAR BRITISH ISLES. RIDGE OF H STRENGTHENING OVER SWEDEN AND FINLAND.\nFORECAST VALID 24 HOURS (WIND SCALE IN METERS PER SECOND)\nSKAGERRAK\nS-SE 5-10. SHWRS WITH MOD VIS.\nKATTEGAT THE SOUND THE BELTS WESTERN BALTIC SOUTHERN BALTIC  SE 4-8.\nTOMORROW AFTERNOON IN W BALTIC SOMEWHAT INCR. MAINLY GOOD VIS LOC SHWRS.\nLAKE VAENERN\nS-SW 3-7. OVERNIGHT SE 1-5. MAINL* GOOD VIS.\nSOUTHEASTERN BALTIC\nVRB 1-5 AND RISK OF FOG. TOMORROW N INCR 5-10 AND DURING DAY IMPR VIS.\nCENTRAL BALTIC NORTHERN BALTIC\nS-SW 3-7. OVERNIGHT VRB 1-5. TOMORROW BEGINNING IN E-PART N-NE AND INCR.\nIN AFTERNOON 5-10. RISK OF FOG.\nGULF OF RIGA\nVRB 1-5. OVERNIGMT N AND SOMEWHAT INCR. EARLY TOMORROW MORNING FURTHER\nINCR 5-10. OVERNIGHT RISK OF FOG. TOMORROW AFTERNOON RAIN WITH MOD VIS.\nGULF OF FINLAND\nVRB 1-5. TOMORROW N-NE SOMEWHAT INCR. IN W-PART RISK OF FOG. IN E-PART\nTEMPO RAIN WITH MOD VIS.\nSEA OF AALAND ARCHIPELAGO SEA SOUTHERN SEA OF BOTHNIA NORTHERN SEA OF\nBOTHNIA THE QUARK  S 4-9 OVERNIGHT DECR. TOMORROW 1-5 AND TEMPO VRB. GOOD\nVIS BUT RISK OF FOG.\nBAY OF BOTHNIA\nS 4-8 IN W-PART TEMPO UP TO 10. TOMORROW 2-7. MAINLY GOOD VIS.\nNNNN"}]}