20 (木)	13:36	21:51	-	-
	128cm	15cm	-	-
大潮 出 06:52 入 15:46 出 15:08 入 06:05

コイセボイ（北海道）2029年12月20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
12/20 00:00	36.6	↑1.7
12/20 00:10	38.4	↑1.8
12/20 00:20	40.1	↑1.7
12/20 00:30	41.9	↑1.8
12/20 00:40	43.6	↑1.7
12/20 00:50	45.3	↑1.7
12/20 01:00	46.9	↑1.6
12/20 01:10	48.5	↑1.6
12/20 01:20	50.1	↑1.6
12/20 01:30	51.6	↑1.5
12/20 01:40	53.0	↑1.4
12/20 01:50	54.3	↑1.3
12/20 02:00	55.5	↑1.2
12/20 02:10	56.7	↑1.2
12/20 02:20	57.8	↑1.1
12/20 02:30	58.8	↑1.0
12/20 02:40	59.7	↑0.9
12/20 02:50	60.5	↑0.8
12/20 03:00	61.2	↑0.7
12/20 03:10	61.9	↑0.7
12/20 03:20	62.4	↑0.5
12/20 03:30	62.9	↑0.5
12/20 03:40	63.4	↑0.5
12/20 03:50	63.7	↑0.3
12/20 04:00	64.0	↑0.3
12/20 04:10	64.2	↑0.2
12/20 04:20	64.4	↑0.2
12/20 04:30	64.5	↑0.1
12/20 04:40	64.7	↑0.2
12/20 04:50	64.7	0
12/20 05:00	64.8	↑0.1
12/20 05:10	64.9	↑0.1
12/20 05:20	65.0	↑0.1
12/20 05:30	65.1	↑0.1
12/20 05:40	65.2	↑0.1
12/20 05:50	65.3	↑0.1
12/20 06:00	65.5	↑0.2
12/20 06:10	65.7	↑0.2
12/20 06:20	66.0	↑0.3
12/20 06:30	66.4	↑0.4
12/20 06:40	66.8	↑0.4
12/20 06:50	67.3	↑0.5
12/20 07:00	67.9	↑0.6
12/20 07:10	68.6	↑0.7
12/20 07:20	69.4	↑0.8
12/20 07:30	70.3	↑0.9
12/20 07:40	71.2	↑0.9
12/20 07:50	72.3	↑1.1
12/20 08:00	73.5	↑1.2
12/20 08:10	74.8	↑1.3
12/20 08:20	76.2	↑1.4
12/20 08:30	77.7	↑1.5
12/20 08:40	79.3	↑1.6
12/20 08:50	81.0	↑1.7
12/20 09:00	82.7	↑1.7
12/20 09:10	84.6	↑1.9
12/20 09:20	86.5	↑1.9
12/20 09:30	88.6	↑2.1
12/20 09:40	90.6	↑2.0
12/20 09:50	92.7	↑2.1
12/20 10:00	94.9	↑2.2
12/20 10:10	97.1	↑2.2
12/20 10:20	99.3	↑2.2
12/20 10:30	101.5	↑2.2
12/20 10:40	103.7	↑2.2
12/20 10:50	105.9	↑2.2
12/20 11:00	108.0	↑2.1
12/20 11:10	110.2	↑2.2
12/20 11:20	112.2	↑2.0
12/20 11:30	114.2	↑2.0
12/20 11:40	116.1	↑1.9
12/20 11:50	117.9	↑1.8
12/20 12:00	119.6	↑1.7
12/20 12:10	121.2	↑1.6
12/20 12:20	122.6	↑1.4
12/20 12:30	123.9	↑1.3
12/20 12:40	125.0	↑1.1
12/20 12:50	126.0	↑1.0
12/20 13:00	126.8	↑0.8
12/20 13:10	127.4	↑0.6
12/20 13:20	127.8	↑0.4
12/20 13:30	128.0	↑0.2	満潮
12/20 13:40	128.0	0
12/20 13:50	127.8	↓-0.2
12/20 14:00	127.3	↓-0.5
12/20 14:10	126.7	↓-0.6
12/20 14:20	125.9	↓-0.8
12/20 14:30	124.8	↓-1.1
12/20 14:40	123.5	↓-1.3
12/20 14:50	122.0	↓-1.5
12/20 15:00	120.3	↓-1.7
12/20 15:10	118.4	↓-1.9
12/20 15:20	116.3	↓-2.1
12/20 15:30	114.0	↓-2.3
12/20 15:40	111.5	↓-2.5
12/20 15:50	108.9	↓-2.6
12/20 16:00	106.1	↓-2.8
12/20 16:10	103.1	↓-3.0
12/20 16:20	100.0	↓-3.1
12/20 16:30	96.8	↓-3.2
12/20 16:40	93.5	↓-3.3
12/20 16:50	90.0	↓-3.5
12/20 17:00	86.5	↓-3.5
12/20 17:10	82.9	↓-3.6
12/20 17:20	79.3	↓-3.6
12/20 17:30	75.7	↓-3.6
12/20 17:40	72.0	↓-3.7	最大潮位差
12/20 17:50	68.3	↓-3.7	最大潮位差
12/20 18:00	64.6	↓-3.7	最大潮位差
12/20 18:10	61.0	↓-3.6
12/20 18:20	57.4	↓-3.6
12/20 18:30	53.9	↓-3.5
12/20 18:40	50.5	↓-3.4
12/20 18:50	47.1	↓-3.4
12/20 19:00	43.9	↓-3.2
12/20 19:10	40.8	↓-3.1
12/20 19:20	37.8	↓-3.0
12/20 19:30	35.0	↓-2.8
12/20 19:40	32.3	↓-2.7
12/20 19:50	29.8	↓-2.5
12/20 20:00	27.4	↓-2.4
12/20 20:10	25.3	↓-2.1
12/20 20:20	23.3	↓-2.0
12/20 20:30	21.6	↓-1.7
12/20 20:40	20.0	↓-1.6
12/20 20:50	18.7	↓-1.3
12/20 21:00	17.6	↓-1.1
12/20 21:10	16.6	↓-1.0
12/20 21:20	15.9	↓-0.7
12/20 21:30	15.4	↓-0.5
12/20 21:40	15.1	↓-0.3
12/20 21:50	15.0	↓-0.1	干潮
12/20 22:00	15.1	↑0.1
12/20 22:10	15.4	↑0.3
12/20 22:20	15.8	↑0.4
12/20 22:30	16.5	↑0.7
12/20 22:40	17.3	↑0.8
12/20 22:50	18.2	↑0.9
12/20 23:00	19.3	↑1.1
12/20 23:10	20.6	↑1.3
12/20 23:20	21.9	↑1.3
12/20 23:30	23.4	↑1.5
12/20 23:40	25.0	↑1.6
12/20 23:50	26.6	↑1.6