12 (日)	04:37	07:08	14:23	22:23
	69cm	65cm	128cm	13cm
大潮 出 06:46 入 15:44 出 16:08 入 06:56

コイセボイ（北海道）2038年12月12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
12/12 00:00	31.4	↑2.0
12/12 00:10	33.4	↑2.0
12/12 00:20	35.4	↑2.0
12/12 00:30	37.5	↑2.1
12/12 00:40	39.6	↑2.1
12/12 00:50	41.7	↑2.1
12/12 01:00	43.7	↑2.0
12/12 01:10	45.8	↑2.1
12/12 01:20	47.8	↑2.0
12/12 01:30	49.7	↑1.9
12/12 01:40	51.6	↑1.9
12/12 01:50	53.4	↑1.8
12/12 02:00	55.2	↑1.8
12/12 02:10	56.8	↑1.6
12/12 02:20	58.3	↑1.5
12/12 02:30	59.7	↑1.4
12/12 02:40	61.1	↑1.4
12/12 02:50	62.3	↑1.2
12/12 03:00	63.4	↑1.1
12/12 03:10	64.3	↑0.9
12/12 03:20	65.2	↑0.9
12/12 03:30	65.9	↑0.7
12/12 03:40	66.5	↑0.6
12/12 03:50	67.0	↑0.5
12/12 04:00	67.4	↑0.4
12/12 04:10	67.7	↑0.3
12/12 04:20	67.9	↑0.2
12/12 04:30	68.0	↑0.1	満潮
12/12 04:40	68.0	0
12/12 04:50	67.9	↓-0.1
12/12 05:00	67.8	↓-0.1
12/12 05:10	67.6	↓-0.2
12/12 05:20	67.4	↓-0.2
12/12 05:30	67.1	↓-0.3
12/12 05:40	66.8	↓-0.3
12/12 05:50	66.5	↓-0.3
12/12 06:00	66.1	↓-0.4
12/12 06:10	65.8	↓-0.3
12/12 06:20	65.5	↓-0.3
12/12 06:30	65.3	↓-0.2
12/12 06:40	65.1	↓-0.2
12/12 06:50	64.9	↓-0.2
12/12 07:00	64.8	↓-0.1	干潮
12/12 07:10	64.8	0
12/12 07:20	64.9	↑0.1
12/12 07:30	65.0	↑0.1
12/12 07:40	65.3	↑0.3
12/12 07:50	65.7	↑0.4
12/12 08:00	66.2	↑0.5
12/12 08:10	66.8	↑0.6
12/12 08:20	67.5	↑0.7
12/12 08:30	68.4	↑0.9
12/12 08:40	69.3	↑0.9
12/12 08:50	70.4	↑1.1
12/12 09:00	71.7	↑1.3
12/12 09:10	73.1	↑1.4
12/12 09:20	74.6	↑1.5
12/12 09:30	76.2	↑1.6
12/12 09:40	77.9	↑1.7
12/12 09:50	79.7	↑1.8
12/12 10:00	81.7	↑2.0
12/12 10:10	83.7	↑2.0
12/12 10:20	85.8	↑2.1
12/12 10:30	88.0	↑2.2
12/12 10:40	90.3	↑2.3
12/12 10:50	92.6	↑2.3
12/12 11:00	94.9	↑2.3
12/12 11:10	97.3	↑2.4
12/12 11:20	99.6	↑2.3
12/12 11:30	102.0	↑2.4
12/12 11:40	104.4	↑2.4
12/12 11:50	106.7	↑2.3
12/12 12:00	108.9	↑2.2
12/12 12:10	111.2	↑2.3
12/12 12:20	113.3	↑2.1
12/12 12:30	115.3	↑2.0
12/12 12:40	117.2	↑1.9
12/12 12:50	119.0	↑1.8
12/12 13:00	120.7	↑1.7
12/12 13:10	122.2	↑1.5
12/12 13:20	123.5	↑1.3
12/12 13:30	124.7	↑1.2
12/12 13:40	125.7	↑1.0
12/12 13:50	126.5	↑0.8
12/12 14:00	127.1	↑0.6
12/12 14:10	127.4	↑0.3
12/12 14:20	127.6	↑0.2	満潮
12/12 14:30	127.5	↓-0.1
12/12 14:40	127.2	↓-0.3
12/12 14:50	126.6	↓-0.6
12/12 15:00	125.9	↓-0.7
12/12 15:10	124.9	↓-1.0
12/12 15:20	123.6	↓-1.3
12/12 15:30	122.1	↓-1.5
12/12 15:40	120.4	↓-1.7
12/12 15:50	118.5	↓-1.9
12/12 16:00	116.4	↓-2.1
12/12 16:10	114.0	↓-2.4
12/12 16:20	111.5	↓-2.5
12/12 16:30	108.7	↓-2.8
12/12 16:40	105.8	↓-2.9
12/12 16:50	102.8	↓-3.0
12/12 17:00	99.5	↓-3.3
12/12 17:10	96.2	↓-3.3
12/12 17:20	92.7	↓-3.5
12/12 17:30	89.1	↓-3.6
12/12 17:40	85.5	↓-3.6
12/12 17:50	81.7	↓-3.8
12/12 18:00	77.9	↓-3.8
12/12 18:10	74.1	↓-3.8
12/12 18:20	70.2	↓-3.9	最大潮位差
12/12 18:30	66.4	↓-3.8
12/12 18:40	62.6	↓-3.8
12/12 18:50	58.8	↓-3.8
12/12 19:00	55.0	↓-3.8
12/12 19:10	51.3	↓-3.7
12/12 19:20	47.8	↓-3.5
12/12 19:30	44.3	↓-3.5
12/12 19:40	40.9	↓-3.4
12/12 19:50	37.7	↓-3.2
12/12 20:00	34.6	↓-3.1
12/12 20:10	31.7	↓-2.9
12/12 20:20	29.0	↓-2.7
12/12 20:30	26.4	↓-2.6
12/12 20:40	24.1	↓-2.3
12/12 20:50	21.9	↓-2.2
12/12 21:00	20.0	↓-1.9
12/12 21:10	18.3	↓-1.7
12/12 21:20	16.8	↓-1.5
12/12 21:30	15.5	↓-1.3
12/12 21:40	14.4	↓-1.1
12/12 21:50	13.6	↓-0.8
12/12 22:00	13.0	↓-0.6
12/12 22:10	12.6	↓-0.4
12/12 22:20	12.4	↓-0.2	干潮
12/12 22:30	12.5	↑0.1
12/12 22:40	12.8	↑0.3
12/12 22:50	13.2	↑0.4
12/12 23:00	13.9	↑0.7
12/12 23:10	14.7	↑0.8
12/12 23:20	15.8	↑1.1
12/12 23:30	16.9	↑1.1
12/12 23:40	18.3	↑1.4
12/12 23:50	19.8	↑1.5