21 (月)	21:42	06:27	-	-
	104cm	31cm	-	-
若潮 出 05:07 入 17:22 出 14:53 入 23:47

コイセボイ（北海道）2026年09月21日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
9/21 00:00	81.0	↓-1.9
9/21 00:10	79.1	↓-1.9
9/21 00:20	77.1	↓-2.0	最大潮位差
9/21 00:30	75.1	↓-2.0	最大潮位差
9/21 00:40	73.1	↓-2.0	最大潮位差
9/21 00:50	71.1	↓-2.0	最大潮位差
9/21 01:00	69.1	↓-2.0	最大潮位差
9/21 01:10	67.1	↓-2.0	最大潮位差
9/21 01:20	65.1	↓-2.0	最大潮位差
9/21 01:30	63.2	↓-1.9
9/21 01:40	61.2	↓-2.0	最大潮位差
9/21 01:50	59.3	↓-1.9
9/21 02:00	57.4	↓-1.9
9/21 02:10	55.6	↓-1.8
9/21 02:20	53.8	↓-1.8
9/21 02:30	52.0	↓-1.8
9/21 02:40	50.3	↓-1.7
9/21 02:50	48.7	↓-1.6
9/21 03:00	47.1	↓-1.6
9/21 03:10	45.5	↓-1.6
9/21 03:20	44.1	↓-1.4
9/21 03:30	42.7	↓-1.4
9/21 03:40	41.4	↓-1.3
9/21 03:50	40.1	↓-1.3
9/21 04:00	38.9	↓-1.2
9/21 04:10	37.9	↓-1.0
9/21 04:20	36.8	↓-1.1
9/21 04:30	35.9	↓-0.9
9/21 04:40	35.0	↓-0.9
9/21 04:50	34.3	↓-0.7
9/21 05:00	33.6	↓-0.7
9/21 05:10	33.0	↓-0.6
9/21 05:20	32.4	↓-0.6
9/21 05:30	32.0	↓-0.4
9/21 05:40	31.6	↓-0.4
9/21 05:50	31.3	↓-0.3
9/21 06:00	31.1	↓-0.2
9/21 06:10	30.9	↓-0.2
9/21 06:20	30.8	↓-0.1	干潮
9/21 06:30	30.8	0
9/21 06:40	30.9	↑0.1
9/21 06:50	31.0	↑0.1
9/21 07:00	31.2	↑0.2
9/21 07:10	31.4	↑0.2
9/21 07:20	31.7	↑0.3
9/21 07:30	32.1	↑0.4
9/21 07:40	32.5	↑0.4
9/21 07:50	32.9	↑0.4
9/21 08:00	33.4	↑0.5
9/21 08:10	34.0	↑0.6
9/21 08:20	34.6	↑0.6
9/21 08:30	35.2	↑0.6
9/21 08:40	35.8	↑0.6
9/21 08:50	36.5	↑0.7
9/21 09:00	37.2	↑0.7
9/21 09:10	37.9	↑0.7
9/21 09:20	38.7	↑0.8
9/21 09:30	39.4	↑0.7
9/21 09:40	40.2	↑0.8
9/21 09:50	41.0	↑0.8
9/21 10:00	41.8	↑0.8
9/21 10:10	42.6	↑0.8
9/21 10:20	43.5	↑0.9
9/21 10:30	44.3	↑0.8
9/21 10:40	45.2	↑0.9
9/21 10:50	46.0	↑0.8
9/21 11:00	46.8	↑0.8
9/21 11:10	47.7	↑0.9
9/21 11:20	48.5	↑0.8
9/21 11:30	49.4	↑0.9
9/21 11:40	50.3	↑0.9
9/21 11:50	51.1	↑0.8
9/21 12:00	52.0	↑0.9
9/21 12:10	52.8	↑0.8
9/21 12:20	53.7	↑0.9
9/21 12:30	54.5	↑0.8
9/21 12:40	55.4	↑0.9
9/21 12:50	56.2	↑0.8
9/21 13:00	57.1	↑0.9
9/21 13:10	58.0	↑0.9
9/21 13:20	58.8	↑0.8
9/21 13:30	59.7	↑0.9
9/21 13:40	60.6	↑0.9
9/21 13:50	61.5	↑0.9
9/21 14:00	62.4	↑0.9
9/21 14:10	63.3	↑0.9
9/21 14:20	64.2	↑0.9
9/21 14:30	65.1	↑0.9
9/21 14:40	66.1	↑1.0
9/21 14:50	67.0	↑0.9
9/21 15:00	68.0	↑1.0
9/21 15:10	69.0	↑1.0
9/21 15:20	70.0	↑1.0
9/21 15:30	71.0	↑1.0
9/21 15:40	72.0	↑1.0
9/21 15:50	73.0	↑1.0
9/21 16:00	74.1	↑1.1
9/21 16:10	75.1	↑1.0
9/21 16:20	76.2	↑1.1
9/21 16:30	77.3	↑1.1
9/21 16:40	78.4	↑1.1
9/21 16:50	79.5	↑1.1
9/21 17:00	80.6	↑1.1
9/21 17:10	81.7	↑1.1
9/21 17:20	82.9	↑1.2
9/21 17:30	84.0	↑1.1
9/21 17:40	85.1	↑1.1
9/21 17:50	86.2	↑1.1
9/21 18:00	87.4	↑1.2
9/21 18:10	88.5	↑1.1
9/21 18:20	89.6	↑1.1
9/21 18:30	90.6	↑1.0
9/21 18:40	91.7	↑1.1
9/21 18:50	92.7	↑1.0
9/21 19:00	93.7	↑1.0
9/21 19:10	94.7	↑1.0
9/21 19:20	95.7	↑1.0
9/21 19:30	96.6	↑0.9
9/21 19:40	97.4	↑0.8
9/21 19:50	98.3	↑0.9
9/21 20:00	99.0	↑0.7
9/21 20:10	99.7	↑0.7
9/21 20:20	100.4	↑0.7
9/21 20:30	101.0	↑0.6
9/21 20:40	101.5	↑0.5
9/21 20:50	102.0	↑0.5
9/21 21:00	102.3	↑0.3
9/21 21:10	102.6	↑0.3
9/21 21:20	102.9	↑0.3
9/21 21:30	103.0	↑0.1
9/21 21:40	103.0	0	満潮
9/21 21:50	103.0	0
9/21 22:00	102.9	↓-0.1
9/21 22:10	102.7	↓-0.2
9/21 22:20	102.3	↓-0.4
9/21 22:30	101.9	↓-0.4
9/21 22:40	101.4	↓-0.5
9/21 22:50	100.8	↓-0.6
9/21 23:00	100.1	↓-0.7
9/21 23:10	99.3	↓-0.8
9/21 23:20	98.4	↓-0.9
9/21 23:30	97.4	↓-1.0
9/21 23:40	96.4	↓-1.0
9/21 23:50	95.2	↓-1.2