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The first time a partner leaves on a deep-sea contract — or on any contract significantly longer than before — the family experience is genuinely different from what most people anticipate. Communication is possible but not always reliable. Time zones complicate what feels like a simple call. Silence can stretch for days with no explanation, then a burst of messages arrives all at once when the ship enters port. Understanding the structure of shipboard communication — and knowing what 'normal' looks like — makes the waiting manageable rather than frightening.
Three main satellite technologies connect ships to the world — and the technology aboard determines what kind of communication is realistically possible:
MLC 2006 Standard A3.1 and Guideline B3.1 establish that seafarers should have reasonable access to ship-shore communication — but the standard does not specify frequency or quality. Most companies provide some personal internet time; the specifics are in the company's IT policy or the SEA. See internet and communication at sea for a full breakdown of what your partner may have access to.
A seafarer on a 4-on / 8-off watch rotation has fixed sleep windows that shift as the ship crosses time zones. Your partner's "free time" is not the same as your evening. On a long Pacific crossing, a seafarer based in the Philippines may be eight or twelve hours ahead of their home time zone — and on watch during what is evening at home. It is worth establishing early in the contract what windows are most likely to work for calls, accepting that they may shift by an hour or two as the ship moves. A simple shared online calendar or a scheduled daily check-in message at a consistent ship-local time often works better than trying to arrange calls spontaneously.
The first two weeks of a first deep-sea contract are typically the most intense for both the seafarer and the family at home. The seafarer is adapting to the ship — new routines, new colleagues, unfamiliar systems — and may have less time and emotional bandwidth for calls than during training or shorter domestic contracts. This is normal and not a sign of indifference. It tends to settle by week three.
Practically: agree in advance on a minimum communication rhythm — a short text every 48 hours, or a weekly video call — and treat the absence of this signal (not general silence) as the trigger for concern. Distinguish between 'haven't heard in two days' (normal) and 'haven't heard in five days with no explanation' (worth escalating). See when communication stops for the full escalation guide.
Long contracts mean that one partner manages the full household — finances, children, maintenance, emergencies — for months at a time. A few practical approaches that many seafarer partners find useful:
The emotional weight of a partner's absence — particularly a long first contract — is real and often underacknowledged. Loneliness, worry, and resentment about unequal domestic load are common experiences among seafarer partners and are not signs of a failing relationship. They are a natural response to an unusual situation. If the strain becomes persistent, the ISWAN SeafarerHelp helpline is available to families as well as seafarers — free, 24/7, and multilingual. See also the relationship strain page and mental health warning signs for recognising when professional support may help.
How often will my partner be able to call or message?
It varies significantly by vessel and trade. A container ship on a fixed liner route with Starlink maritime may allow daily messaging and video calls in most areas. A bulk carrier or tanker on a VSAT system may offer 30–60 minutes of internet access per day. Offshore vessels and some older tonnage may rely on Iridium satellite — voice calls are possible but data is very limited. Passage through the Arctic or into remote ocean areas can mean reduced or no signal for days. Ask your partner to tell you their ship's connectivity situation at the start of the contract so your expectations are realistic rather than assuming smartphone-level access.
What if I don't hear anything for two or three days?
A gap of one to three days with no contact is common and usually has a technical explanation — poor signal coverage mid-ocean, a storm, a bandwidth cap reached for the month, equipment maintenance, or simply a very busy operational period. It is not in isolation a sign that something is wrong. See the /families/when-communication-stops page for a structured guide on when to escalate and how.
Is there a welfare service I can contact if I'm struggling?
Yes. ISWAN's SeafarerHelp (iswan.org.uk/seafarerhelp) operates a 24/7 free multilingual helpline that also supports seafarer families, not just seafarers themselves. The Sailors' Society Wellness at Sea programme includes family-support resources. Both are free and confidential.
How do I get the ship's contact details in an emergency?
The manning agency is the primary point of contact for families in an emergency. The agency should have provided a 24-hour emergency contact number at the start of the contract — if they did not, request it before your partner sails. The company operator also maintains 24/7 duty officer coverage. See /families/emergency-contact-plan for a full list of what to collect before departure.
Disclaimer.General practical information only — not legal or medical advice. Communication conditions vary significantly by vessel, company policy, and trade route. If you are concerned about a family member's welfare, contact the manning agency or a welfare helpline directly.