9 (木)	19:35	03:04	-	-
	100cm	36cm	-	-
小潮 出 05:28 入 16:50 出 23:06 入 12:55

コイセボイ（北海道）2031年10月9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
10/9 00:00	52.9	↓-2.0	最大潮位差
10/9 00:10	51.1	↓-1.8
10/9 00:20	49.4	↓-1.7
10/9 00:30	47.7	↓-1.7
10/9 00:40	46.2	↓-1.5
10/9 00:50	44.7	↓-1.5
10/9 01:00	43.3	↓-1.4
10/9 01:10	42.1	↓-1.2
10/9 01:20	40.9	↓-1.2
10/9 01:30	39.9	↓-1.0
10/9 01:40	39.0	↓-0.9
10/9 01:50	38.2	↓-0.8
10/9 02:00	37.4	↓-0.8
10/9 02:10	36.9	↓-0.5
10/9 02:20	36.4	↓-0.5
10/9 02:30	36.0	↓-0.4
10/9 02:40	35.7	↓-0.3
10/9 02:50	35.5	↓-0.2
10/9 03:00	35.5	0	干潮
10/9 03:10	35.5	0
10/9 03:20	35.6	↑0.1
10/9 03:30	35.8	↑0.2
10/9 03:40	36.1	↑0.3
10/9 03:50	36.4	↑0.3
10/9 04:00	36.8	↑0.4
10/9 04:10	37.3	↑0.5
10/9 04:20	37.9	↑0.6
10/9 04:30	38.4	↑0.5
10/9 04:40	39.1	↑0.7
10/9 04:50	39.8	↑0.7
10/9 05:00	40.5	↑0.7
10/9 05:10	41.2	↑0.7
10/9 05:20	41.9	↑0.7
10/9 05:30	42.7	↑0.8
10/9 05:40	43.4	↑0.7
10/9 05:50	44.2	↑0.8
10/9 06:00	45.0	↑0.8
10/9 06:10	45.7	↑0.7
10/9 06:20	46.5	↑0.8
10/9 06:30	47.2	↑0.7
10/9 06:40	47.9	↑0.7
10/9 06:50	48.5	↑0.6
10/9 07:00	49.2	↑0.7
10/9 07:10	49.8	↑0.6
10/9 07:20	50.4	↑0.6
10/9 07:30	50.9	↑0.5
10/9 07:40	51.4	↑0.5
10/9 07:50	51.9	↑0.5
10/9 08:00	52.3	↑0.4
10/9 08:10	52.7	↑0.4
10/9 08:20	53.0	↑0.3
10/9 08:30	53.3	↑0.3
10/9 08:40	53.6	↑0.3
10/9 08:50	53.9	↑0.3
10/9 09:00	54.1	↑0.2
10/9 09:10	54.3	↑0.2
10/9 09:20	54.4	↑0.1
10/9 09:30	54.6	↑0.2
10/9 09:40	54.7	↑0.1
10/9 09:50	54.8	↑0.1
10/9 10:00	54.9	↑0.1
10/9 10:10	55.0	↑0.1
10/9 10:20	55.1	↑0.1
10/9 10:30	55.2	↑0.1
10/9 10:40	55.3	↑0.1
10/9 10:50	55.5	↑0.2
10/9 11:00	55.6	↑0.1
10/9 11:10	55.8	↑0.2
10/9 11:20	56.0	↑0.2
10/9 11:30	56.2	↑0.2
10/9 11:40	56.5	↑0.3
10/9 11:50	56.8	↑0.3
10/9 12:00	57.1	↑0.3
10/9 12:10	57.5	↑0.4
10/9 12:20	57.9	↑0.4
10/9 12:30	58.4	↑0.5
10/9 12:40	58.9	↑0.5
10/9 12:50	59.5	↑0.6
10/9 13:00	60.2	↑0.7
10/9 13:10	60.9	↑0.7
10/9 13:20	61.6	↑0.7
10/9 13:30	62.4	↑0.8
10/9 13:40	63.3	↑0.9
10/9 13:50	64.2	↑0.9
10/9 14:00	65.2	↑1.0
10/9 14:10	66.3	↑1.1
10/9 14:20	67.3	↑1.0
10/9 14:30	68.5	↑1.2
10/9 14:40	69.7	↑1.2
10/9 14:50	70.9	↑1.2
10/9 15:00	72.1	↑1.2
10/9 15:10	73.4	↑1.3
10/9 15:20	74.7	↑1.3
10/9 15:30	76.1	↑1.4
10/9 15:40	77.4	↑1.3
10/9 15:50	78.8	↑1.4
10/9 16:00	80.2	↑1.4
10/9 16:10	81.5	↑1.3
10/9 16:20	82.9	↑1.4
10/9 16:30	84.2	↑1.3
10/9 16:40	85.5	↑1.3
10/9 16:50	86.8	↑1.3
10/9 17:00	88.1	↑1.3
10/9 17:10	89.3	↑1.2
10/9 17:20	90.5	↑1.2
10/9 17:30	91.6	↑1.1
10/9 17:40	92.7	↑1.1
10/9 17:50	93.7	↑1.0
10/9 18:00	94.6	↑0.9
10/9 18:10	95.5	↑0.9
10/9 18:20	96.2	↑0.7
10/9 18:30	96.9	↑0.7
10/9 18:40	97.5	↑0.6
10/9 18:50	98.0	↑0.5
10/9 19:00	98.4	↑0.4
10/9 19:10	98.7	↑0.3
10/9 19:20	98.9	↑0.2
10/9 19:30	99.0	↑0.1	満潮
10/9 19:40	99.0	0
10/9 19:50	98.9	↓-0.1
10/9 20:00	98.6	↓-0.3
10/9 20:10	98.3	↓-0.3
10/9 20:20	97.8	↓-0.5
10/9 20:30	97.3	↓-0.5
10/9 20:40	96.6	↓-0.7
10/9 20:50	95.8	↓-0.8
10/9 21:00	95.0	↓-0.8
10/9 21:10	94.0	↓-1.0
10/9 21:20	92.9	↓-1.1
10/9 21:30	91.8	↓-1.1
10/9 21:40	90.5	↓-1.3
10/9 21:50	89.2	↓-1.3
10/9 22:00	87.8	↓-1.4
10/9 22:10	86.3	↓-1.5
10/9 22:20	84.8	↓-1.5
10/9 22:30	83.2	↓-1.6
10/9 22:40	81.5	↓-1.7
10/9 22:50	79.8	↓-1.7
10/9 23:00	78.1	↓-1.7
10/9 23:10	76.3	↓-1.8
10/9 23:20	74.5	↓-1.8
10/9 23:30	72.7	↓-1.8
10/9 23:40	70.9	↓-1.8
10/9 23:50	69.0	↓-1.9