20 (日)	04:38	10:30	16:38	23:00
	143cm	47cm	161cm	37cm
中潮 出 06:21 入 17:09 出 19:47 入 06:50

東静内（北海道）2011年02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
2/20 00:00	42.2	↑3.5
2/20 00:10	46.0	↑3.8
2/20 00:20	50.0	↑4.0
2/20 00:30	54.3	↑4.3
2/20 00:40	58.8	↑4.5
2/20 00:50	63.5	↑4.7
2/20 01:00	68.3	↑4.8
2/20 01:10	73.3	↑5.0
2/20 01:20	78.3	↑5.0
2/20 01:30	83.3	↑5.0
2/20 01:40	88.3	↑5.0
2/20 01:50	93.3	↑5.0
2/20 02:00	98.3	↑5.0
2/20 02:10	103.1	↑4.8
2/20 02:20	107.7	↑4.6
2/20 02:30	112.2	↑4.5
2/20 02:40	116.5	↑4.3
2/20 02:50	120.5	↑4.0
2/20 03:00	124.3	↑3.8
2/20 03:10	127.8	↑3.5
2/20 03:20	130.9	↑3.1
2/20 03:30	133.8	↑2.9
2/20 03:40	136.2	↑2.4
2/20 03:50	138.3	↑2.1
2/20 04:00	140.0	↑1.7
2/20 04:10	141.3	↑1.3
2/20 04:20	142.2	↑0.9
2/20 04:30	142.7	↑0.5	満潮
2/20 04:40	142.8	↑0.1
2/20 04:50	142.5	↓-0.3
2/20 05:00	141.8	↓-0.7
2/20 05:10	140.8	↓-1.0
2/20 05:20	139.3	↓-1.5
2/20 05:30	137.5	↓-1.8
2/20 05:40	135.3	↓-2.2
2/20 05:50	132.8	↓-2.5
2/20 06:00	130.0	↓-2.8
2/20 06:10	126.9	↓-3.1
2/20 06:20	123.6	↓-3.3
2/20 06:30	120.0	↓-3.6
2/20 06:40	116.2	↓-3.8
2/20 06:50	112.3	↓-3.9
2/20 07:00	108.2	↓-4.1
2/20 07:10	104.1	↓-4.1
2/20 07:20	99.8	↓-4.3
2/20 07:30	95.5	↓-4.3
2/20 07:40	91.3	↓-4.2
2/20 07:50	87.0	↓-4.3
2/20 08:00	82.8	↓-4.2
2/20 08:10	78.7	↓-4.1
2/20 08:20	74.7	↓-4.0
2/20 08:30	70.9	↓-3.8
2/20 08:40	67.3	↓-3.6
2/20 08:50	63.9	↓-3.4
2/20 09:00	60.7	↓-3.2
2/20 09:10	57.8	↓-2.9
2/20 09:20	55.1	↓-2.7
2/20 09:30	52.8	↓-2.3
2/20 09:40	50.8	↓-2.0
2/20 09:50	49.2	↓-1.6
2/20 10:00	47.9	↓-1.3
2/20 10:10	47.0	↓-0.9
2/20 10:20	46.5	↓-0.5	干潮
2/20 10:30	46.4	↓-0.1	干潮
2/20 10:40	46.6	↑0.2
2/20 10:50	47.3	↑0.7
2/20 11:00	48.3	↑1.0
2/20 11:10	49.7	↑1.4
2/20 11:20	51.5	↑1.8
2/20 11:30	53.7	↑2.2
2/20 11:40	56.2	↑2.5
2/20 11:50	59.0	↑2.8
2/20 12:00	62.2	↑3.2
2/20 12:10	65.7	↑3.5
2/20 12:20	69.4	↑3.7
2/20 12:30	73.4	↑4.0
2/20 12:40	77.6	↑4.2
2/20 12:50	82.1	↑4.5
2/20 13:00	86.6	↑4.5
2/20 13:10	91.3	↑4.7
2/20 13:20	96.1	↑4.8
2/20 13:30	101.0	↑4.9
2/20 13:40	105.8	↑4.8
2/20 13:50	110.7	↑4.9
2/20 14:00	115.5	↑4.8
2/20 14:10	120.2	↑4.7
2/20 14:20	124.8	↑4.6
2/20 14:30	129.3	↑4.5
2/20 14:40	133.5	↑4.2
2/20 14:50	137.6	↑4.1
2/20 15:00	141.4	↑3.8
2/20 15:10	144.9	↑3.5
2/20 15:20	148.1	↑3.2
2/20 15:30	150.9	↑2.8
2/20 15:40	153.4	↑2.5
2/20 15:50	155.6	↑2.2
2/20 16:00	157.3	↑1.7
2/20 16:10	158.6	↑1.3
2/20 16:20	159.5	↑0.9
2/20 16:30	160.0	↑0.5	満潮
2/20 16:40	160.1	↑0.1
2/20 16:50	159.8	↓-0.3
2/20 17:00	159.0	↓-0.8
2/20 17:10	157.8	↓-1.2
2/20 17:20	156.2	↓-1.6
2/20 17:30	154.2	↓-2.0
2/20 17:40	151.8	↓-2.4
2/20 17:50	149.0	↓-2.8
2/20 18:00	145.9	↓-3.1
2/20 18:10	142.5	↓-3.4
2/20 18:20	138.8	↓-3.7
2/20 18:30	134.8	↓-4.0
2/20 18:40	130.5	↓-4.3
2/20 18:50	126.0	↓-4.5
2/20 19:00	121.4	↓-4.6
2/20 19:10	116.6	↓-4.8
2/20 19:20	111.7	↓-4.9
2/20 19:30	106.7	↓-5.0
2/20 19:40	101.6	↓-5.1	最大潮位差
2/20 19:50	96.5	↓-5.1	最大潮位差
2/20 20:00	91.5	↓-5.0
2/20 20:10	86.5	↓-5.0
2/20 20:20	81.6	↓-4.9
2/20 20:30	76.8	↓-4.8
2/20 20:40	72.1	↓-4.7
2/20 20:50	67.6	↓-4.5
2/20 21:00	63.4	↓-4.2
2/20 21:10	59.3	↓-4.1
2/20 21:20	55.5	↓-3.8
2/20 21:30	52.1	↓-3.4
2/20 21:40	48.9	↓-3.2
2/20 21:50	46.0	↓-2.9
2/20 22:00	43.5	↓-2.5
2/20 22:10	41.4	↓-2.1
2/20 22:20	39.6	↓-1.8
2/20 22:30	38.3	↓-1.3
2/20 22:40	37.3	↓-1.0
2/20 22:50	36.7	↓-0.6	干潮
2/20 23:00	36.6	↓-0.1	干潮
2/20 23:10	36.8	↑0.2
2/20 23:20	37.5	↑0.7
2/20 23:30	38.6	↑1.1
2/20 23:40	40.0	↑1.4
2/20 23:50	41.8	↑1.8