legends · 6 min read ·
The Forecast for Tuesday
A coastal forecaster discovers that every Tuesday in the seven-day outlook is exactly the same day.
**Forecast — Tallis Bay**
**Monday, 25 October**
High 9°C · Low 3°C · Wind NW 14 km/h
Clear overnight. Light frost in low areas.
*Tuesday: Clear, visibility improving to excellent.*
· · ·
Rosalind Achebe had been a forecaster for nineteen years, and in that time she had learned that the most dangerous forecast was the one that was correct for the wrong reasons.
She worked out of a converted sea-rescue station on the bay. She checked the models at six, the satellites at six-thirty, the coastal buoys at seven, and she wrote the public text that went out to the apps. Her colleagues called her register the bay voice: calm, formal, and deliberately dull, for people who had been frightened by weather too often.
On Tuesday the twenty-sixth, the models showed clear skies all day. The buoys showed flat water. The pressure was high and steady.
She sent the text at 06:00. The quality monitor flagged it at 06:04.
*Forecast inconsistency: Tuesday 26 October. Observed data for this date is not yet available. Please review.*
She had never seen that message. She checked the satellite pass. It had crossed the bay at 05:50 and recorded a clear sky with a faint gray band near the horizon. She assumed it was cloud that would burn off by midmorning.
But the monitor wasn't complaining about the cloud. It was complaining that the date had not begun.
She called the duty supervisor, Tom Halloran.
"We've had one like that," he said, without surprise. "Nineteen years ago. Your first winter."
She didn't remember. She didn't remember much of her first winter, and she had begun to suspect that was a mercy.
"What happened?"
"Nothing. The forecast went out, clear all day. Then the next Tuesday came, clear, and the one after. The city didn't notice for a while. People stopped going to the bay, because it was always the same day to them. Flat water, no wind, the same bright sky. You know how it is."
"I don't know how it is."
"Look at the seven-day outlook."
She looked. Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday. Then the list began again. Monday, and then Tuesday, with the same bright sky and the same flat gray sea, and under each Tuesday, in tiny type, the same line.
She scrolled. The outlook ran six weeks forward. Every other day changed. Wind, rain, a drop in temperature, a fog that came and went. Every Tuesday, no matter how far ahead she checked, was identical. The high was nine degrees. The wind was calm. The visibility was excellent. The sea was flat.
· · ·
At noon she walked to the end of the old breakwater with her coat buttoned to the neck. The water lay flat, exactly as the buoys had said. The sky was blue to the horizon. There was no wind on her face at all, and that was the first thing that frightened her: a bay that has no wind in October makes a particular silence, and the gulls were quiet in it.
A man stood at the end of the breakwater already, looking out. He wore a dark gray work jacket, the kind bought in bulk. His hands were in his pockets. He did not turn when she came up beside him.
"Morning," he said.
"Is it?"
"It's always morning on Tuesday."
She followed his gaze. The gray band she had seen on the satellite images was closer now. It was not a cloud. It was a line of water standing very slightly upright, the way a page stands when it's been turned too far. Beneath it the sea was darker, as if something had been folded into it and pressed flat.
She could see the outline of something in the water. Large and patient, the way a building looks under a sheet.
"You're the forecaster," the man said.
"Yes."
"I've been waiting for someone to look at it properly." He took one hand out of his pocket and pointed. Not at the band. At the flat water between the breakwater and the band, where a small wake had begun to form in the smooth surface, circling slowly outward from a point directly below where they stood. It was the only movement in the bay.
"It's the tide," she said.
"It's the day," he said. "It's coming in on schedule. It will arrive exactly as you described it. Clear, calm, the sea like glass. Everyone will come down to see it, because it's the best day anyone has ever seen."
"And then?"
"And then it's Tuesday," said the man. "And you'll write the forecast again."
She looked down at the wake. It had grown. It was no longer a ring but a long, slow pull in the water toward the breakwater, and it was pulling against the stones, and the stones were not moving, which meant the water was.
"Why didn't anyone stop it?"
"Who would stop a clear day?" He turned at last, and his face was the face of a man who had been standing in the same spot for a very long time. "You're the only one who ever asks."
· · ·
**Forecast — Tallis Bay**
**Tuesday, 26 October**
High 9°C · Low 3°C · Wind calm
Clear all day. Visibility excellent.
*Sea state: flat. Conditions ideal.*
· · ·
She returned to the station and wrote the public forecast at four in the afternoon. She didn't change a word. The app accepted it at 16:03 without comment.
She went home and set her alarm for six, the way she always did.
At 05:58 she woke to a clear, bright room. Her phone, on the table, showed the date at the top of the screen. The word was *Tuesday*.
She got up, dressed, and walked to the bay with the buttons of her coat fastened to her throat. The water was flat. The sky was clear. The wake lay at the foot of the breakwater, exactly where she had left it, circling slowly, the stones still dry above it.
She has written the forecast every Tuesday since. The text does not change. She has stopped being able to remember what the other days were like. Each morning the wake is a little closer to the stones, and each morning the man at the end of the breakwater is a little further back, as if the tide is taking him, not her, and each morning she walks down to watch the water climb toward the place where she has been standing.
*Tuesday: clear, visibility improving to excellent.*
The sea laid flat over the bay like a sheet. It has been coming in since the first winter. She checks the satellites every morning. She doesn't need to. It has never once been late.