29 (水)	04:39	12:06	19:40	23:31
	144cm	-1cm	109cm	92cm
中潮 出 04:33 入 18:32 出 07:21 入 23:25 潮干狩り ◎ 09:44～14:52

苫小牧（北海道）2009年04月29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
4/29 00:00	93.5	↑1.3
4/29 00:10	94.9	↑1.4
4/29 00:20	96.5	↑1.6
4/29 00:30	98.2	↑1.7
4/29 00:40	100.0	↑1.8
4/29 00:50	101.9	↑1.9
4/29 01:00	103.8	↑1.9
4/29 01:10	105.7	↑1.9
4/29 01:20	107.7	↑2.0
4/29 01:30	109.8	↑2.1
4/29 01:40	111.9	↑2.1
4/29 01:50	114.0	↑2.1
4/29 02:00	116.2	↑2.2
4/29 02:10	118.4	↑2.2
4/29 02:20	120.6	↑2.2
4/29 02:30	122.8	↑2.2
4/29 02:40	125.1	↑2.3
4/29 02:50	127.4	↑2.3
4/29 03:00	129.6	↑2.2
4/29 03:10	131.8	↑2.2
4/29 03:20	133.9	↑2.1
4/29 03:30	135.9	↑2.0
4/29 03:40	137.7	↑1.8
4/29 03:50	139.3	↑1.6
4/29 04:00	140.7	↑1.4
4/29 04:10	141.8	↑1.1
4/29 04:20	142.6	↑0.8
4/29 04:30	143.1	↑0.5	満潮
4/29 04:40	143.2	↑0.1
4/29 04:50	143.0	↓-0.2
4/29 05:00	142.3	↓-0.7
4/29 05:10	141.3	↓-1.0
4/29 05:20	139.9	↓-1.4
4/29 05:30	138.1	↓-1.8
4/29 05:40	135.9	↓-2.2
4/29 05:50	133.5	↓-2.4
4/29 06:00	130.7	↓-2.8
4/29 06:10	127.6	↓-3.1
4/29 06:20	124.3	↓-3.3
4/29 06:30	120.8	↓-3.5
4/29 06:40	117.1	↓-3.7
4/29 06:50	113.2	↓-3.9
4/29 07:00	109.2	↓-4.0
4/29 07:10	105.1	↓-4.1
4/29 07:20	100.8	↓-4.3
4/29 07:30	96.5	↓-4.3
4/29 07:40	92.1	↓-4.4
4/29 07:50	87.6	↓-4.5
4/29 08:00	83.1	↓-4.5
4/29 08:10	78.4	↓-4.7
4/29 08:20	73.7	↓-4.7
4/29 08:30	69.0	↓-4.7
4/29 08:40	64.2	↓-4.8
4/29 08:50	59.4	↓-4.8
4/29 09:00	54.5	↓-4.9	最大潮位差
4/29 09:10	49.7	↓-4.8
4/29 09:20	44.9	↓-4.8
4/29 09:30	40.1	↓-4.8
4/29 09:40	35.5	↓-4.6
4/29 09:50	30.9	↓-4.6
4/29 10:00	26.6	↓-4.3
4/29 10:10	22.4	↓-4.2
4/29 10:20	18.5	↓-3.9
4/29 10:30	14.9	↓-3.6
4/29 10:40	11.6	↓-3.3
4/29 10:50	8.6	↓-3.0
4/29 11:00	6.0	↓-2.6
4/29 11:10	3.7	↓-2.3
4/29 11:20	1.9	↓-1.8
4/29 11:30	0.4	↓-1.5
4/29 11:40	-0.6	↓-1.0
4/29 11:50	-1.4	↓-0.8
4/29 12:00	-1.7	↓-0.3	干潮
4/29 12:10	-1.7	0
4/29 12:20	-1.4	↑0.3
4/29 12:30	-0.7	↑0.7
4/29 12:40	0.2	↑0.9
4/29 12:50	1.4	↑1.2
4/29 13:00	2.9	↑1.5
4/29 13:10	4.5	↑1.6
4/29 13:20	6.4	↑1.9
4/29 13:30	8.6	↑2.2
4/29 13:40	10.9	↑2.3
4/29 13:50	13.5	↑2.6
4/29 14:00	16.2	↑2.7
4/29 14:10	19.2	↑3.0
4/29 14:20	22.4	↑3.2
4/29 14:30	25.7	↑3.3
4/29 14:40	29.3	↑3.6
4/29 14:50	33.1	↑3.8
4/29 15:00	37.0	↑3.9
4/29 15:10	41.1	↑4.1
4/29 15:20	45.3	↑4.2
4/29 15:30	49.6	↑4.3
4/29 15:40	54.0	↑4.4
4/29 15:50	58.4	↑4.4
4/29 16:00	62.8	↑4.4
4/29 16:10	67.1	↑4.3
4/29 16:20	71.3	↑4.2
4/29 16:30	75.4	↑4.1
4/29 16:40	79.4	↑4.0
4/29 16:50	83.1	↑3.7
4/29 17:00	86.6	↑3.5
4/29 17:10	89.8	↑3.2
4/29 17:20	92.8	↑3.0
4/29 17:30	95.4	↑2.6
4/29 17:40	97.8	↑2.4
4/29 17:50	99.9	↑2.1
4/29 18:00	101.7	↑1.8
4/29 18:10	103.2	↑1.5
4/29 18:20	104.5	↑1.3
4/29 18:30	105.6	↑1.1
4/29 18:40	106.5	↑0.9
4/29 18:50	107.2	↑0.7
4/29 19:00	107.7	↑0.5
4/29 19:10	108.1	↑0.4
4/29 19:20	108.4	↑0.3
4/29 19:30	108.5	↑0.1	満潮
4/29 19:40	108.6	↑0.1	満潮
4/29 19:50	108.5	↓-0.1
4/29 20:00	108.4	↓-0.1
4/29 20:10	108.1	↓-0.3
4/29 20:20	107.7	↓-0.4
4/29 20:30	107.3	↓-0.4
4/29 20:40	106.7	↓-0.6
4/29 20:50	106.0	↓-0.7
4/29 21:00	105.2	↓-0.8
4/29 21:10	104.3	↓-0.9
4/29 21:20	103.3	↓-1.0
4/29 21:30	102.2	↓-1.1
4/29 21:40	101.1	↓-1.1
4/29 21:50	99.9	↓-1.2
4/29 22:00	98.7	↓-1.2
4/29 22:10	97.5	↓-1.2
4/29 22:20	96.3	↓-1.2
4/29 22:30	95.2	↓-1.1
4/29 22:40	94.2	↓-1.0
4/29 22:50	93.4	↓-0.8
4/29 23:00	92.7	↓-0.7
4/29 23:10	92.2	↓-0.5
4/29 23:20	91.9	↓-0.3
4/29 23:30	91.8	↓-0.1	干潮
4/29 23:40	91.9	↑0.1
4/29 23:50	92.2	↑0.3